diff --git a/projects/igniteui-angular/action-strip/src/action-strip/action-strip.component.spec.ts b/projects/igniteui-angular/action-strip/src/action-strip/action-strip.component.spec.ts
index 5f17dcfc137..ffa3a1c1b63 100644
--- a/projects/igniteui-angular/action-strip/src/action-strip/action-strip.component.spec.ts
+++ b/projects/igniteui-angular/action-strip/src/action-strip/action-strip.component.spec.ts
@@ -4,6 +4,7 @@ import { TestBed, waitForAsync } from '@angular/core/testing';
 import { By } from '@angular/platform-browser';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { IgxIconComponent } from 'igniteui-angular/icon';
+import { ActionStripResourceStringsEN, changei18n } from 'igniteui-angular/core';
 import { wait } from '../../../test-utils/ui-interactions.spec';
 
 const ACTION_STRIP_CONTAINER_CSS = 'igx-action-strip__actions';
@@ -153,6 +154,41 @@ describe('igxActionStrip', () => {
             expect(dropDownList.nativeElement.getAttribute('aria-hidden')).toBe('true');
         });
     });
+
+    describe('Resource Strings', () => {
+        it('should update resource strings when global i18n changes and no custom strings are set', () => {
+            const fix = TestBed.createComponent(IgxActionStripMenuTestingComponent);
+            fix.detectChanges();
+            actionStrip = fix.componentInstance.actionStrip;
+
+            try {
+                changei18n({ igx_action_strip_button_more_title: 'More Options' });
+                fix.detectChanges();
+
+                expect(actionStrip.resourceStrings.igx_action_strip_button_more_title).toBe('More Options');
+            } finally {
+                changei18n(ActionStripResourceStringsEN);
+            }
+        });
+
+        it('should preserve custom resource strings when global i18n changes', () => {
+            const fix = TestBed.createComponent(IgxActionStripMenuTestingComponent);
+            fix.detectChanges();
+            actionStrip = fix.componentInstance.actionStrip;
+
+            actionStrip.resourceStrings = { igx_action_strip_button_more_title: 'Custom More' };
+            fix.detectChanges();
+
+            try {
+                changei18n({ igx_action_strip_button_more_title: 'Global More' });
+                fix.detectChanges();
+
+                expect(actionStrip.resourceStrings.igx_action_strip_button_more_title).toBe('Custom More');
+            } finally {
+                changei18n(ActionStripResourceStringsEN);
+            }
+        });
+    });
 });
 
 @Component({
diff --git a/projects/igniteui-angular/action-strip/src/action-strip/action-strip.component.ts b/projects/igniteui-angular/action-strip/src/action-strip/action-strip.component.ts
index d56215f99d8..22dca0fa320 100644
--- a/projects/igniteui-angular/action-strip/src/action-strip/action-strip.component.ts
+++ b/projects/igniteui-angular/action-strip/src/action-strip/action-strip.component.ts
@@ -158,11 +158,12 @@ export class IgxActionStripComponent implements IgxActionStripToken, AfterViewIn
      */
     @Input()
     public set resourceStrings(value: IActionStripResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     public get resourceStrings(): IActionStripResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /**
@@ -202,12 +203,14 @@ export class IgxActionStripComponent implements IgxActionStripToken, AfterViewIn
 
     private _destroyRef = inject(DestroyRef);
     private _resourceStrings: IActionStripResourceStrings = null;
+    private _customResourceStrings: IActionStripResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(ActionStripResourceStringsEN);
     private _originalParent!: HTMLElement;
 
     constructor() {
         onResourceChangeHandle(this._destroyRef, () => {
             this._defaultResourceStrings = getCurrentResourceStrings(ActionStripResourceStringsEN, false);
+            this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
         }, this);
     }
 
diff --git a/projects/igniteui-angular/banner/src/banner/banner.component.spec.ts b/projects/igniteui-angular/banner/src/banner/banner.component.spec.ts
index 0dad3dffeab..6e8e47834bd 100644
--- a/projects/igniteui-angular/banner/src/banner/banner.component.spec.ts
+++ b/projects/igniteui-angular/banner/src/banner/banner.component.spec.ts
@@ -3,6 +3,7 @@ import { TestBed, ComponentFixture, tick, fakeAsync, waitForAsync } from '@angul
 import { By } from '@angular/platform-browser';
 import { IgxBannerComponent } from './banner.component';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { BannerResourceStringsEN, changei18n } from 'igniteui-angular/core';
 import { IgxIconComponent } from 'igniteui-angular/icon';
 import { IgxBannerActionsDirective } from './banner.directives';
 import { IgxCardComponent, IgxCardContentDirective, IgxCardHeaderComponent } from 'igniteui-angular/card';
@@ -525,6 +526,52 @@ describe('igxBanner', () => {
         }));
     });
 
+    describe('Resource Strings', () => {
+        it('should return full resource strings when partial resourceStrings are set', () => {
+            const fix = TestBed.createComponent(SimpleBannerEventsComponent);
+            fix.detectChanges();
+            const banner = fix.componentInstance.banner;
+
+            banner.resourceStrings = { igx_banner_button_dismiss: 'Close' };
+            fix.detectChanges();
+
+            expect(banner.resourceStrings.igx_banner_button_dismiss).toBe('Close');
+        });
+
+        it('should update resource strings when global i18n changes and no custom strings are set', () => {
+            const fix = TestBed.createComponent(SimpleBannerEventsComponent);
+            fix.detectChanges();
+            const banner = fix.componentInstance.banner;
+
+            try {
+                changei18n({ igx_banner_button_dismiss: 'Dismiss Global' });
+                fix.detectChanges();
+
+                expect(banner.resourceStrings.igx_banner_button_dismiss).toBe('Dismiss Global');
+            } finally {
+                changei18n(BannerResourceStringsEN);
+            }
+        });
+
+        it('should preserve custom resource strings when global i18n changes', () => {
+            const fix = TestBed.createComponent(SimpleBannerEventsComponent);
+            fix.detectChanges();
+            const banner = fix.componentInstance.banner;
+
+            banner.resourceStrings = { igx_banner_button_dismiss: 'Custom Dismiss' };
+            fix.detectChanges();
+
+            try {
+                changei18n({ igx_banner_button_dismiss: 'Global Dismiss' });
+                fix.detectChanges();
+
+                expect(banner.resourceStrings.igx_banner_button_dismiss).toBe('Custom Dismiss');
+            } finally {
+                changei18n(BannerResourceStringsEN);
+            }
+        });
+    });
+
     const getBaseClassElements = <T>(fixture: ComponentFixture<T>) => {
         bannerElement = fixture.debugElement.query(By.css('.' + CSS_CLASS_BANNER));
         bannerMessageElement = fixture.debugElement.query(By.css('.' + CSS_CLASS_BANNER_MESSAGE));
diff --git a/projects/igniteui-angular/banner/src/banner/banner.component.ts b/projects/igniteui-angular/banner/src/banner/banner.component.ts
index 8de0f4b6ed6..8a6e918659a 100644
--- a/projects/igniteui-angular/banner/src/banner/banner.component.ts
+++ b/projects/igniteui-angular/banner/src/banner/banner.component.ts
@@ -155,11 +155,12 @@ export class IgxBannerComponent implements IToggleView {
      */
     @Input()
     public set resourceStrings(value: IBannerResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings =  Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     public get resourceStrings(): IBannerResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /**
@@ -240,14 +241,16 @@ export class IgxBannerComponent implements IToggleView {
     private _destroyRef = inject(DestroyRef);
     private _expanded: boolean = false;
     private _shouldFireEvent: boolean = false;
-    private _bannerEvent: BannerEventArgs;
-    private _animationSettings: ToggleAnimationSettings;
+    private _bannerEvent!: BannerEventArgs;
+    private _animationSettings!: ToggleAnimationSettings;
     private _resourceStrings: IBannerResourceStrings = null;
+    private _customResourceStrings: IBannerResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(BannerResourceStringsEN);
 
     constructor() {
         onResourceChangeHandle(this._destroyRef, () => {
             this._defaultResourceStrings = getCurrentResourceStrings(BannerResourceStringsEN, false);
+            this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
         }, this);
     }
 
diff --git a/projects/igniteui-angular/calendar/src/calendar/calendar-base.ts b/projects/igniteui-angular/calendar/src/calendar/calendar-base.ts
index 98315a6fa0e..d99403a675a 100644
--- a/projects/igniteui-angular/calendar/src/calendar/calendar-base.ts
+++ b/projects/igniteui-angular/calendar/src/calendar/calendar-base.ts
@@ -256,6 +256,7 @@ export class IgxCalendarBaseDirective implements ControlValueAccessor {
      */
     private _selection: CalendarSelection | string = CalendarSelection.SINGLE;
     private _resourceStrings: ICalendarResourceStrings = null;
+    private _customResourceStrings: ICalendarResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(CalendarResourceStringsEN);
 
     /**
@@ -283,14 +284,15 @@ export class IgxCalendarBaseDirective implements ControlValueAccessor {
      */
     @Input()
     public set resourceStrings(value: ICalendarResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
      * An accessor that returns the resource strings.
      */
     public get resourceStrings(): ICalendarResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /**
@@ -328,7 +330,7 @@ export class IgxCalendarBaseDirective implements ControlValueAccessor {
         this._locale = this.i18nFormatter.verifyLocale(value);
         // changing locale runtime needs to update the `weekStart` too
         this._localeWeekStart = this.i18nFormatter.getLocaleFirstDayOfWeek(this._locale);
-        this._defaultResourceStrings = getCurrentResourceStrings(CalendarResourceStringsEN, false, this._locale);
+        this.updateResources(this._locale);
     }
 
     /**
@@ -1038,8 +1040,14 @@ export class IgxCalendarBaseDirective implements ControlValueAccessor {
     private onResourceChange(args: CustomEvent<IResourceChangeEventArgs>) {
         this._defaultLocale = args.detail.newLocale;
         if (!this._locale) {
-            this._defaultResourceStrings = getCurrentResourceStrings(CalendarResourceStringsEN, false);
+            // Avoid unnecessary fetch of resources, since they should be already retrieved when setting custom locale.
+            this.updateResources();
         }
         this._localeWeekStart = this.i18nFormatter.getLocaleFirstDayOfWeek(this.locale);
     }
+
+    private updateResources(locale?: string)    {
+        this._defaultResourceStrings = getCurrentResourceStrings(CalendarResourceStringsEN, false, locale);
+        this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
+    }
 }
diff --git a/projects/igniteui-angular/carousel/src/carousel/carousel.component.spec.ts b/projects/igniteui-angular/carousel/src/carousel/carousel.component.spec.ts
index 74ddfc755c9..5fc39f17712 100644
--- a/projects/igniteui-angular/carousel/src/carousel/carousel.component.spec.ts
+++ b/projects/igniteui-angular/carousel/src/carousel/carousel.component.spec.ts
@@ -1,5 +1,5 @@
 import { Component, ViewChild, TemplateRef, ChangeDetectionStrategy, ElementRef } from '@angular/core';
-import { TestBed, fakeAsync, tick, waitForAsync } from '@angular/core/testing';
+import { ComponentFixture, TestBed, fakeAsync, tick, waitForAsync } from '@angular/core/testing';
 import { By } from '@angular/platform-browser';
 import {
     IgxCarouselComponent,
@@ -10,6 +10,7 @@ import { IgxSlideComponent } from './slide.component';
 import { IgxCarouselIndicatorDirective, IgxCarouselNextButtonDirective, IgxCarouselPrevButtonDirective } from './carousel.directives';
 import { CarouselIndicatorsOrientation, CarouselAnimationType } from './enums';
 import { UIInteractions, wait } from 'igniteui-angular/test-utils/ui-interactions.spec';
+import { CarouselResourceStringsEN, changei18n } from 'igniteui-angular/core';
 
 describe('Carousel', () => {
     let fixture;
@@ -1046,6 +1047,49 @@ describe('Carousel', () => {
             expect(carousel.current).toEqual(2);
         });
     });
+
+    describe('Resource Strings', () => {
+        let fix: ComponentFixture<CarouselTestComponent>;
+
+        beforeEach(waitForAsync(() => {
+            TestBed.configureTestingModule({
+                imports: [NoopAnimationsModule, CarouselTestComponent]
+            }).compileComponents();
+        }));
+
+        beforeEach(() => {
+            fix = TestBed.createComponent(CarouselTestComponent);
+            fix.detectChanges();
+            carousel = fix.componentInstance.carousel;
+        });
+
+        it('should return full resource strings when partial resourceStrings are set', () => {
+            carousel.resourceStrings = { igx_carousel_of: 'out of' };
+            fix.detectChanges();
+
+            expect(carousel.resourceStrings.igx_carousel_of).toBe('out of');
+            expect(carousel.resourceStrings.igx_carousel_slide).toBe('slide');
+            expect(carousel.resourceStrings.igx_carousel_previous_slide).toBe('previous slide');
+            expect(carousel.resourceStrings.igx_carousel_next_slide).toBe('next slide');
+        });
+
+        it('should update non-overridden resource strings when global i18n changes', () => {
+            carousel.resourceStrings = { igx_carousel_of: 'custom of' };
+            fix.detectChanges();
+
+            try {
+                changei18n({ igx_carousel_slide: 'foto' });
+                fix.detectChanges();
+
+                expect(carousel.resourceStrings.igx_carousel_of).toBe('custom of');
+                expect(carousel.resourceStrings.igx_carousel_slide).toBe('foto');
+                expect(carousel.resourceStrings.igx_carousel_previous_slide).toBe('previous slide');
+                expect(carousel.resourceStrings.igx_carousel_next_slide).toBe('next slide');
+            } finally {
+                changei18n(CarouselResourceStringsEN);
+            }
+        });
+    });
 });
 
 class HelperTestFunctions {
diff --git a/projects/igniteui-angular/carousel/src/carousel/carousel.component.ts b/projects/igniteui-angular/carousel/src/carousel/carousel.component.ts
index ae88268ca89..34750ff517e 100644
--- a/projects/igniteui-angular/carousel/src/carousel/carousel.component.ts
+++ b/projects/igniteui-angular/carousel/src/carousel/carousel.component.ts
@@ -379,11 +379,12 @@ export class IgxCarouselComponent extends IgxCarouselComponentBase implements On
      * @hidden
      * @internal
      */
-    public stoppedByInteraction: boolean;
-    protected override currentItem: IgxSlideComponent;
-    protected override previousItem: IgxSlideComponent;
-    private _interval: number;
+    public stoppedByInteraction!: boolean;
+    protected override currentItem!: IgxSlideComponent;
+    protected override previousItem!: IgxSlideComponent;
+    private _interval!: number;
     private _resourceStrings: ICarouselResourceStrings = null;
+    private _customResourceStrings: ICarouselResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(CarouselResourceStringsEN);
     private lastInterval: any;
     private playing: boolean;
@@ -399,14 +400,15 @@ export class IgxCarouselComponent extends IgxCarouselComponentBase implements On
      */
     @Input()
     public set resourceStrings(value: ICarouselResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
      * An accessor that returns the resource strings.
      */
     public get resourceStrings(): ICarouselResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /** @hidden */
@@ -549,6 +551,7 @@ export class IgxCarouselComponent extends IgxCarouselComponentBase implements On
         this.differ = this.iterableDiffers.find([]).create(null);
         onResourceChangeHandle(this.destroy$, () => {
             this._defaultResourceStrings = getCurrentResourceStrings(CarouselResourceStringsEN, false);
+            this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
         }, this);
     }
 
diff --git a/projects/igniteui-angular/chips/src/chips/chip.component.ts b/projects/igniteui-angular/chips/src/chips/chip.component.ts
index 237decb0311..78b1051847d 100644
--- a/projects/igniteui-angular/chips/src/chips/chip.component.ts
+++ b/projects/igniteui-angular/chips/src/chips/chip.component.ts
@@ -345,14 +345,15 @@ export class IgxChipComponent implements OnInit, OnDestroy {
      */
     @Input()
     public set resourceStrings(value: IChipResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
      * An accessor that returns the resource strings.
      */
     public get resourceStrings(): IChipResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /**
@@ -609,11 +610,13 @@ export class IgxChipComponent implements OnInit, OnDestroy {
     protected _movedWhileRemoving = false;
     protected computedStyles;
     private _resourceStrings: IChipResourceStrings = null;
+    private _customResourceStrings: IChipResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(ChipResourceStringsEN);
 
     constructor() {
         onResourceChangeHandle(this.destroy$, () => {
             this._defaultResourceStrings = getCurrentResourceStrings(ChipResourceStringsEN, false);
+            this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
         }, this);
     }
 
diff --git a/projects/igniteui-angular/chips/src/chips/chip.spec.ts b/projects/igniteui-angular/chips/src/chips/chip.spec.ts
index b7c54bf7951..ce37fbf1ba1 100644
--- a/projects/igniteui-angular/chips/src/chips/chip.spec.ts
+++ b/projects/igniteui-angular/chips/src/chips/chip.spec.ts
@@ -7,7 +7,7 @@ import { IgxPrefixDirective } from '../../../input-group/src/public_api';
 import { IgxLabelDirective } from '../../../input-group/src/public_api';
 import { IgxSuffixDirective } from '../../../input-group/src/public_api';
 import { IgxIconComponent } from 'igniteui-angular/icon';
-import { getComponentSize } from 'igniteui-angular/core';
+import { ChipResourceStringsEN, changei18n, getComponentSize } from 'igniteui-angular/core';
 import { ControlsFunction } from 'igniteui-angular/test-utils/controls-functions.spec';
 import { UIInteractions, wait } from 'igniteui-angular/test-utils/ui-interactions.spec';
 
@@ -397,6 +397,46 @@ describe('IgxChip', () => {
             expect(firstChipSuffixText).toEqual('suf');
         });
     });
+
+    describe('Resource Strings', () => {
+        beforeEach(waitForAsync(() => {
+            TestBed.configureTestingModule({
+                imports: [TestChipComponent]
+            }).compileComponents();
+        }));
+
+        beforeEach(() => {
+            fix = TestBed.createComponent(TestChipComponent);
+            fix.detectChanges();
+        });
+
+        it('should return full resource strings when partial resourceStrings are set', () => {
+            const chip = fix.componentInstance.chips.first;
+
+            chip.resourceStrings = { igx_chip_remove: 'Custom Remove' };
+            fix.detectChanges();
+
+            expect(chip.resourceStrings.igx_chip_remove).toBe('Custom Remove');
+            expect(chip.resourceStrings.igx_chip_select).toBe('select chip');
+        });
+
+        it('should update non-overridden resource strings when global i18n changes', () => {
+            const chip = fix.componentInstance.chips.first;
+
+            chip.resourceStrings = { igx_chip_remove: 'Custom Remove' };
+            fix.detectChanges();
+
+            try {
+                changei18n({ igx_chip_select: 'Global Select' });
+                fix.detectChanges();
+
+                expect(chip.resourceStrings.igx_chip_remove).toBe('Custom Remove');
+                expect(chip.resourceStrings.igx_chip_select).toBe('Global Select');
+            } finally {
+                changei18n(ChipResourceStringsEN);
+            }
+        });
+    });
 });
 
 class HelperTestFunctions {
diff --git a/projects/igniteui-angular/combo/src/combo/combo.common.ts b/projects/igniteui-angular/combo/src/combo/combo.common.ts
index 585b1a52e23..6e91bf1dddd 100644
--- a/projects/igniteui-angular/combo/src/combo/combo.common.ts
+++ b/projects/igniteui-angular/combo/src/combo/combo.common.ts
@@ -496,10 +496,11 @@ export abstract class IgxComboBaseDirective implements IgxComboBase, AfterViewCh
      */
     @Input()
     public get resourceStrings(): IComboResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
     public set resourceStrings(value: IComboResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
@@ -975,6 +976,7 @@ export abstract class IgxComboBaseDirective implements IgxComboBase, AfterViewCh
     protected _displayKey: string;
     protected _remoteSelection = {};
     protected _resourceStrings: IComboResourceStrings = null;
+    protected _customResourceStrings: IComboResourceStrings = getCurrentResourceStrings(ComboResourceStringsEN);
     protected _defaultResourceStrings = getCurrentResourceStrings(ComboResourceStringsEN);
     protected _valid = IgxInputState.INITIAL;
     protected ngControl: NgControl = null;
@@ -1003,6 +1005,7 @@ export abstract class IgxComboBaseDirective implements IgxComboBase, AfterViewCh
     constructor() {
         onResourceChangeHandle(this.destroy$, () => {
             this._defaultResourceStrings = getCurrentResourceStrings(ComboResourceStringsEN, false);
+            this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
         }, this);
     }
 
diff --git a/projects/igniteui-angular/combo/src/combo/combo.component.spec.ts b/projects/igniteui-angular/combo/src/combo/combo.component.spec.ts
index 4a236dc7de8..67a74646db6 100644
--- a/projects/igniteui-angular/combo/src/combo/combo.component.spec.ts
+++ b/projects/igniteui-angular/combo/src/combo/combo.component.spec.ts
@@ -14,6 +14,7 @@ import { IForOfState } from '../../../directives/src/directives/for-of/for_of.di
 import { IgxInputState } from '../../../input-group/src/public_api';
 import { IGX_INPUT_GROUP_TYPE, IgxLabelDirective } from '../../../input-group/src/public_api';
 import { AbsoluteScrollStrategy, ConnectedPositioningStrategy } from 'igniteui-angular/core';
+import { ComboResourceStringsEN, changei18n } from 'igniteui-angular/core';
 import { IgxComboAddItemComponent } from './combo-add-item.component';
 import { IgxComboDropDownComponent } from './combo-dropdown.component';
 import { IgxComboItemComponent } from './combo-item.component';
@@ -3722,6 +3723,50 @@ describe('igxCombo', () => {
             }));
         });
     });
+
+    describe('Resource Strings', () => {
+        let fix: ComponentFixture<IgxComboSampleComponent>;
+
+        beforeEach(waitForAsync(() => {
+            TestBed.configureTestingModule({
+                imports: [NoopAnimationsModule, IgxComboSampleComponent]
+            }).compileComponents();
+        }));
+
+        beforeEach(() => {
+            fix = TestBed.createComponent(IgxComboSampleComponent);
+            fix.detectChanges();
+        });
+
+        it('should return full resource strings when partial resourceStrings are set', () => {
+            combo = fix.componentInstance.combo;
+
+            combo.resourceStrings = { igx_combo_empty_message: 'Nothing here' };
+            fix.detectChanges();
+
+            expect(combo.resourceStrings.igx_combo_empty_message).toBe('Nothing here');
+            expect(combo.resourceStrings.igx_combo_filter_search_placeholder).toBe('Enter a Search Term');
+            expect(combo.resourceStrings.igx_combo_clearItems_placeholder).toBe('Clear Selection');
+        });
+
+        it('should update non-overridden resource strings when global i18n changes', () => {
+            combo = fix.componentInstance.combo;
+
+            combo.resourceStrings = { igx_combo_empty_message: 'Custom Empty' };
+            fix.detectChanges();
+
+            try {
+                changei18n({ igx_combo_filter_search_placeholder: 'Suchen...' });
+                fix.detectChanges();
+
+                expect(combo.resourceStrings.igx_combo_empty_message).toBe('Custom Empty');
+                expect(combo.resourceStrings.igx_combo_filter_search_placeholder).toBe('Suchen...');
+                expect(combo.resourceStrings.igx_combo_clearItems_placeholder).toBe('Clear Selection');
+            } finally {
+                changei18n(ComboResourceStringsEN);
+            }
+        });
+    });
 });
 
 @Component({
diff --git a/projects/igniteui-angular/date-picker/src/date-range-picker/date-range-picker.component.spec.ts b/projects/igniteui-angular/date-picker/src/date-range-picker/date-range-picker.component.spec.ts
index ab123988cbb..5f3f90588af 100644
--- a/projects/igniteui-angular/date-picker/src/date-range-picker/date-range-picker.component.spec.ts
+++ b/projects/igniteui-angular/date-picker/src/date-range-picker/date-range-picker.component.spec.ts
@@ -8,7 +8,7 @@ import { By } from '@angular/platform-browser';
 import { ControlsFunction } from '../../../test-utils/controls-functions.spec';
 import { UIInteractions } from '../../../test-utils/ui-interactions.spec';
 import { HelperTestFunctions } from '../../../test-utils/calendar-helper-utils';
-import { CancelableEventArgs, WEEKDAYS } from 'igniteui-angular/core';
+import { CancelableEventArgs, WEEKDAYS, DateRangePickerResourceStringsEN, changei18n } from 'igniteui-angular/core';
 import { IgxDateRangeSeparatorDirective, IgxDateRangeStartComponent } from './date-range-picker-inputs.common';
 import { IgxDateTimeEditorDirective } from '../../../directives/src/directives/date-time-editor/date-time-editor.directive';
 import { DateRangeType } from 'igniteui-angular/core';
@@ -2270,6 +2270,50 @@ describe('IgxDateRangePicker', () => {
             });
         });
     });
+
+    describe('Resource Strings', () => {
+        let fix: ComponentFixture<DateRangeDefaultComponent>;
+
+        beforeEach(waitForAsync(() => {
+            TestBed.configureTestingModule({
+                imports: [NoopAnimationsModule, DateRangeDefaultComponent]
+            }).compileComponents();
+        }));
+
+        beforeEach(() => {
+            fix = TestBed.createComponent(DateRangeDefaultComponent);
+            fix.detectChanges();
+        });
+
+        it('should return full resource strings when partial resourceStrings are set', () => {
+            const drp = fix.componentInstance.dateRange;
+
+            drp.resourceStrings = { igx_date_range_picker_done_button: 'OK' };
+            fix.detectChanges();
+
+            expect(drp.resourceStrings.igx_date_range_picker_done_button).toBe('OK');
+            expect(drp.resourceStrings.igx_date_range_picker_cancel_button).toBe('Cancel');
+            expect(drp.resourceStrings.igx_date_range_picker_date_separator).toBe('to');
+        });
+
+        it('should update non-overridden resource strings when global i18n changes', () => {
+            const drp = fix.componentInstance.dateRange;
+
+            drp.resourceStrings = { igx_date_range_picker_done_button: 'Fertig' };
+            fix.detectChanges();
+
+            try {
+                changei18n({ igx_date_range_picker_cancel_button: 'Abbrechen' });
+                fix.detectChanges();
+
+                expect(drp.resourceStrings.igx_date_range_picker_done_button).toBe('Fertig');
+                expect(drp.resourceStrings.igx_date_range_picker_cancel_button).toBe('Abbrechen');
+                expect(drp.resourceStrings.igx_date_range_picker_date_separator).toBe('to');
+            } finally {
+                changei18n(DateRangePickerResourceStringsEN);
+            }
+        });
+    });
 });
 
 @Component({
diff --git a/projects/igniteui-angular/date-picker/src/date-range-picker/date-range-picker.component.ts b/projects/igniteui-angular/date-picker/src/date-range-picker/date-range-picker.component.ts
index 5f1eea734e8..b28e0910e95 100644
--- a/projects/igniteui-angular/date-picker/src/date-range-picker/date-range-picker.component.ts
+++ b/projects/igniteui-angular/date-picker/src/date-range-picker/date-range-picker.component.ts
@@ -342,14 +342,15 @@ export class IgxDateRangePickerComponent extends PickerBaseDirective
      */
     @Input()
     public set resourceStrings(value: IDateRangePickerResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
      * An accessor that returns the resource strings.
      */
     public get resourceStrings(): IDateRangePickerResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /**
@@ -601,6 +602,7 @@ export class IgxDateRangePickerComponent extends PickerBaseDirective
     }
 
     private _resourceStrings: IDateRangePickerResourceStrings = null;
+    private _customResourceStrings: IDateRangePickerResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(DateRangePickerResourceStringsEN);
     private _doneButtonText = null;
     private _cancelButtonText = null;
@@ -1312,6 +1314,7 @@ export class IgxDateRangePickerComponent extends PickerBaseDirective
 
     protected override updateResources(): void {
         this._defaultResourceStrings = getCurrentResourceStrings(DateRangePickerResourceStringsEN, false, this._locale);
+        this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
     }
 
     private _initializeCalendarContainer(componentInstance: IgxCalendarContainerComponent) {
diff --git a/projects/igniteui-angular/grids/core/src/pivot-grid-dimensions.ts b/projects/igniteui-angular/grids/core/src/pivot-grid-dimensions.ts
index a0ee52c9459..5f4da7ca290 100644
--- a/projects/igniteui-angular/grids/core/src/pivot-grid-dimensions.ts
+++ b/projects/igniteui-angular/grids/core/src/pivot-grid-dimensions.ts
@@ -70,11 +70,12 @@ export class IgxPivotDateDimension implements IPivotDimension {
      * By default it uses EN resources.
      */
     public set resourceStrings(value: IGridResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, getCurrentResourceStrings(GridResourceStringsEN, false), this._resourceStrings);
     }
 
     public get resourceStrings(): IGridResourceStrings {
-        return this._resourceStrings || getCurrentResourceStrings(GridResourceStringsEN, false);
+        return this._resourceStrings ? this._customResourceStrings : getCurrentResourceStrings(GridResourceStringsEN, false);
     }
 
     /**
@@ -110,6 +111,7 @@ export class IgxPivotDateDimension implements IPivotDimension {
     public locale?: string;
     public displayName: string;
     private _resourceStrings: IGridResourceStrings = null;
+    private _customResourceStrings: IGridResourceStrings = null;
     private _baseDimension: IPivotDimension;
     private _options: IPivotDateDimensionOptions = {};
 
diff --git a/projects/igniteui-angular/grids/grid/src/grid-base.directive.ts b/projects/igniteui-angular/grids/grid/src/grid-base.directive.ts
index 9ddf22e2464..f146fff90eb 100644
--- a/projects/igniteui-angular/grids/grid/src/grid-base.directive.ts
+++ b/projects/igniteui-angular/grids/grid/src/grid-base.directive.ts
@@ -1825,12 +1825,13 @@ export abstract class IgxGridBaseDirective implements GridType,
      */
     @Input()
     public set resourceStrings(value: IGridResourceStrings) {
-        this._resourceStrings = Object.assign({}, this.resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
         this.notifyChanges();
     }
 
     public get resourceStrings(): IGridResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /**
@@ -1969,7 +1970,7 @@ export abstract class IgxGridBaseDirective implements GridType,
     public set locale(value: string) {
         if (value !== this._locale) {
             this._locale = this.i18nFormatter.verifyLocale(value);
-            this._defaultResourceStrings = getCurrentResourceStrings(GridResourceStringsEN, false, this._locale);
+            this.updateResources(this._locale);
             this._currencyPositionLeft = undefined;
             this.summaryService.clearSummaryCache();
             this.pipeTrigger++;
@@ -3184,7 +3185,8 @@ export abstract class IgxGridBaseDirective implements GridType,
     };
     protected _hGridSchema: EntityType[];
     protected gridComputedStyles;
-    protected _resourceStrings = null;
+    protected _resourceStrings: IGridResourceStrings = null;
+    protected _customResourceStrings: IGridResourceStrings = getCurrentResourceStrings(GridResourceStringsEN);
 
     /** @hidden @internal */
     public get paginator() {
@@ -8261,7 +8263,8 @@ export abstract class IgxGridBaseDirective implements GridType,
     private onResourceChange(args: CustomEvent<IResourceChangeEventArgs>) {
         this._defaultLocale = args.detail.newLocale;
         if (!this._locale) {
-            this._defaultResourceStrings = getCurrentResourceStrings(GridResourceStringsEN, false);
+            // Avoid unnecessary fetch of resources, since they should be already retrieved when setting custom locale.
+            this.updateResources();
         }
         // Reset currency position because of new locale.
         this._currencyPositionLeft = undefined;
@@ -8270,4 +8273,9 @@ export abstract class IgxGridBaseDirective implements GridType,
             this.notifyChanges(true);
         }
     }
+
+    private updateResources(locale?: string) {
+        this._defaultResourceStrings = getCurrentResourceStrings(GridResourceStringsEN, false, locale);
+        this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
+    }
 }
diff --git a/projects/igniteui-angular/grids/grid/src/grid.component.spec.ts b/projects/igniteui-angular/grids/grid/src/grid.component.spec.ts
index a542d364450..68e37eb652d 100644
--- a/projects/igniteui-angular/grids/grid/src/grid.component.spec.ts
+++ b/projects/igniteui-angular/grids/grid/src/grid.component.spec.ts
@@ -1,5 +1,5 @@
 import { AfterViewInit, ChangeDetectorRef, Component, Injectable, OnInit, ViewChild, TemplateRef, inject, provideZonelessChangeDetection } from '@angular/core';
-import { TestBed, fakeAsync, tick, flush, waitForAsync } from '@angular/core/testing';
+import { TestBed, fakeAsync, tick, flush, waitForAsync, ComponentFixture } from '@angular/core/testing';
 import { BehaviorSubject, firstValueFrom, Observable } from 'rxjs';
 import { By } from '@angular/platform-browser';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
@@ -16,7 +16,7 @@ import { IgxGridRowComponent } from './grid-row.component';
 import { GRID_SCROLL_CLASS, GridFunctions } from '../../../test-utils/grid-functions.spec';
 import { AsyncPipe } from '@angular/common';
 import { setElementSize, ymd } from '../../../test-utils/helper-utils.spec';
-import { FilteringExpressionsTree, FilteringLogic, getComponentSize, GridColumnDataType, IgxNumberFilteringOperand, IgxStringFilteringOperand, ISortingExpression, ɵSize, SortingDirection } from 'igniteui-angular/core';
+import { FilteringExpressionsTree, FilteringLogic, getComponentSize, GridColumnDataType, IgxNumberFilteringOperand, IgxStringFilteringOperand, ISortingExpression, ɵSize, SortingDirection, GridResourceStringsEN, changei18n } from 'igniteui-angular/core';
 import { IgxPaginatorComponent, IgxPaginatorContentDirective } from 'igniteui-angular/paginator';
 import { SCROLL_THROTTLE_TIME_MULTIPLIER } from './../src/grid-base.directive';
 
@@ -3434,6 +3434,49 @@ describe('IgxGrid Component Tests #grid', () => {
             expect(() => fix.detectChanges()).not.toThrow();
         });
     });
+
+    describe('Resource Strings', () => {
+        let fix: ComponentFixture<IgxGridTestComponent>;
+
+        beforeEach(waitForAsync(() => {
+            TestBed.configureTestingModule({
+                imports: [NoopAnimationsModule, IgxGridTestComponent]
+            }).compileComponents();
+        }));
+
+        beforeEach(() => {
+            fix = TestBed.createComponent(IgxGridTestComponent);
+            fix.detectChanges();
+        });
+
+        it('should return full resource strings when partial resourceStrings are set', () => {
+            const grid = fix.componentInstance.grid;
+
+            grid.resourceStrings = { igx_grid_emptyFilteredGrid_message: 'No results' };
+            fix.detectChanges();
+
+            expect(grid.resourceStrings.igx_grid_emptyFilteredGrid_message).toBe('No results');
+            expect(grid.resourceStrings.igx_grid_groupByArea_message).toBe(
+                'Drag a column header and drop it here to group by that column.');
+        });
+
+        it('should update non-overridden resource strings when global i18n changes', () => {
+            const grid = fix.componentInstance.grid;
+
+            grid.resourceStrings = { igx_grid_emptyFilteredGrid_message: 'Custom Empty' };
+            fix.detectChanges();
+
+            try {
+                changei18n({ igx_grid_groupByArea_message: 'Hier ablegen' });
+                fix.detectChanges();
+
+                expect(grid.resourceStrings.igx_grid_emptyFilteredGrid_message).toBe('Custom Empty');
+                expect(grid.resourceStrings.igx_grid_groupByArea_message).toBe('Hier ablegen');
+            } finally {
+                changei18n(GridResourceStringsEN);
+            }
+        });
+    });
 });
 
 @Component({
diff --git a/projects/igniteui-angular/input-group/src/input-group/input-group.component.spec.ts b/projects/igniteui-angular/input-group/src/input-group/input-group.component.spec.ts
index a190d14c8f5..63be0ab288d 100644
--- a/projects/igniteui-angular/input-group/src/input-group/input-group.component.spec.ts
+++ b/projects/igniteui-angular/input-group/src/input-group/input-group.component.spec.ts
@@ -5,6 +5,7 @@ import { IgxInputGroupComponent } from './input-group.component';
 import { UIInteractions } from '../../../test-utils/ui-interactions.spec';
 import { IgxInputDirective, IgxPrefixDirective, IgxSuffixDirective } from '../public_api';
 import { IGX_INPUT_GROUP_TYPE, IgxInputGroupType } from './inputGroupType';
+import { InputResourceStringsEN, changei18n } from 'igniteui-angular/core';
 
 const INPUT_GROUP_CSS_CLASS = 'igx-input-group';
 const INPUT_GROUP_BOX_CSS_CLASS = 'igx-input-group--box';
@@ -239,6 +240,39 @@ describe('IgxInputGroup', () => {
         inputGroupDebugElement.triggerEventHandler('click', pointerEvent);
         expect(document.activeElement).toEqual(input.nativeElement);
     });
+
+    describe('Resource Strings', () => {
+        it('should return full resource strings when partial resourceStrings are set', () => {
+            const fix = TestBed.createComponent(InputGroupComponent);
+            fix.detectChanges();
+            const inputGroup = fix.componentInstance.igxInputGroup;
+
+            inputGroup.resourceStrings = { igx_input_upload_button: 'Upload' };
+            fix.detectChanges();
+
+            expect(inputGroup.resourceStrings.igx_input_upload_button).toBe('Upload');
+            expect(inputGroup.resourceStrings.igx_input_file_placeholder).toBe('No file chosen');
+        });
+
+        it('should update non-overridden resource strings when global i18n changes', () => {
+            const fix = TestBed.createComponent(InputGroupComponent);
+            fix.detectChanges();
+            const inputGroup = fix.componentInstance.igxInputGroup;
+
+            inputGroup.resourceStrings = { igx_input_upload_button: 'Custom Browse' };
+            fix.detectChanges();
+
+            try {
+                changei18n({ igx_input_file_placeholder: 'Keine Datei ausgewählt' });
+                fix.detectChanges();
+
+                expect(inputGroup.resourceStrings.igx_input_upload_button).toBe('Custom Browse');
+                expect(inputGroup.resourceStrings.igx_input_file_placeholder).toBe('Keine Datei ausgewählt');
+            } finally {
+                changei18n(InputResourceStringsEN);
+            }
+        });
+    });
 });
 
 @Component({
diff --git a/projects/igniteui-angular/input-group/src/input-group/input-group.component.ts b/projects/igniteui-angular/input-group/src/input-group/input-group.component.ts
index a383dd82702..ddea9af2f23 100644
--- a/projects/igniteui-angular/input-group/src/input-group/input-group.component.ts
+++ b/projects/igniteui-angular/input-group/src/input-group/input-group.component.ts
@@ -50,14 +50,15 @@ export class IgxInputGroupComponent implements IgxInputGroupBase, AfterContentCh
      */
     @Input()
     public set resourceStrings(value: IInputResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
      * Returns the resource strings.
      */
     public get resourceStrings(): IInputResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /**
@@ -132,7 +133,8 @@ export class IgxInputGroupComponent implements IgxInputGroupBase, AfterContentCh
     private _type: IgxInputGroupType = null;
     private _filled = false;
     private _theme: IgxTheme;
-    private _resourceStrings: IInputResourceStrings = null;
+    private _resourceStrings: IInputResourceStrings | null = null;
+    private _customResourceStrings: IInputResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(InputResourceStringsEN);
     private _readOnly: undefined | boolean;
 
@@ -238,6 +240,7 @@ export class IgxInputGroupComponent implements IgxInputGroupBase, AfterContentCh
         this._destroyRef.onDestroy(() => themeChange.unsubscribe());
         onResourceChangeHandle(this._destroyRef, () => {
             this._defaultResourceStrings = getCurrentResourceStrings(InputResourceStringsEN, false);
+            this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
         }, this);
     }
 
diff --git a/projects/igniteui-angular/list/src/list/list.component.spec.ts b/projects/igniteui-angular/list/src/list/list.component.spec.ts
index b9414781111..00591c55b6f 100644
--- a/projects/igniteui-angular/list/src/list/list.component.spec.ts
+++ b/projects/igniteui-angular/list/src/list/list.component.spec.ts
@@ -29,6 +29,7 @@ import {
 } from '../../../test-utils/list-components.spec';
 import { wait } from '../../../test-utils/ui-interactions.spec';
 import { GridFunctions } from '../../../test-utils/grid-functions.spec';
+import { ListResourceStringsEN, changei18n } from 'igniteui-angular/core';
 
 describe('List', () => {
 
@@ -761,6 +762,37 @@ describe('List', () => {
         expect(listLine.parent.nativeElement).toHaveClass('igx-list__item-lines');
     });
 
+    it('should return full resource strings when partial resourceStrings are set', () => {
+        const fix = TestBed.createComponent(EmptyListComponent);
+        fix.detectChanges();
+        const list = fix.componentInstance.list;
+
+        list.resourceStrings = { igx_list_no_items: 'No results found' };
+        fix.detectChanges();
+
+        expect(list.resourceStrings.igx_list_no_items).toBe('No results found');
+        expect(list.resourceStrings.igx_list_loading).toBe('Loading data from the server...');
+    });
+
+    it('should update non-overridden resource strings when global i18n changes', () => {
+        const fix = TestBed.createComponent(EmptyListComponent);
+        fix.detectChanges();
+        const list = fix.componentInstance.list;
+
+        list.resourceStrings = { igx_list_no_items: 'Custom No Items' };
+        fix.detectChanges();
+
+        try {
+            changei18n({ igx_list_loading: 'Fetching data...' });
+            fix.detectChanges();
+
+            expect(list.resourceStrings.igx_list_no_items).toBe('Custom No Items');
+            expect(list.resourceStrings.igx_list_loading).toBe('Fetching data...');
+        } finally {
+            changei18n(ListResourceStringsEN);
+        }
+    });
+
     /* factorX - the coefficient used to calculate deltaX.
     Pan left by providing negative factorX;
     Pan right - positive factorX.  */
diff --git a/projects/igniteui-angular/list/src/list/list.component.ts b/projects/igniteui-angular/list/src/list/list.component.ts
index 6a32ac34d52..a3bae0cc4b9 100644
--- a/projects/igniteui-angular/list/src/list/list.component.ts
+++ b/projects/igniteui-angular/list/src/list/list.component.ts
@@ -448,6 +448,7 @@ export class IgxListComponent extends IgxListBaseDirective {
     protected defaultDataLoadingTemplate: TemplateRef<any>;
 
     private _resourceStrings: IListResourceStrings = null;
+    private _customResourceStrings: IListResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(ListResourceStringsEN);
 
     /**
@@ -456,20 +457,22 @@ export class IgxListComponent extends IgxListBaseDirective {
      */
     @Input()
     public set resourceStrings(value: IListResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
      * Returns the resource strings.
      */
     public get resourceStrings(): IListResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     constructor() {
         super();
         onResourceChangeHandle(this.destroyRef, () => {
             this._defaultResourceStrings = getCurrentResourceStrings(ListResourceStringsEN, false);
+            this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
         }, this);
     }
 
diff --git a/projects/igniteui-angular/paginator/src/paginator/paginator.component.spec.ts b/projects/igniteui-angular/paginator/src/paginator/paginator.component.spec.ts
index 0249c0fe796..6312a8af6d0 100644
--- a/projects/igniteui-angular/paginator/src/paginator/paginator.component.spec.ts
+++ b/projects/igniteui-angular/paginator/src/paginator/paginator.component.spec.ts
@@ -7,6 +7,7 @@ import { GridFunctions } from '../../../test-utils/grid-functions.spec';
 import { ControlsFunction } from '../../../test-utils/controls-functions.spec';
 import { first } from 'rxjs/operators';
 import { IgxButtonDirective } from '../../../directives/src/directives/button/button.directive';
+import { PaginatorResourceStringsEN, changei18n } from 'igniteui-angular/core';
 
 describe('IgxPaginator with default settings', () => {
     beforeEach(waitForAsync(() => {
@@ -280,6 +281,26 @@ describe('IgxPaginator with default settings', () => {
         expect(paginator.resourceStrings.igx_paginator_next_page_button_text).toBe('Next page');
     });
 
+    it('should update non-overridden resource strings when global i18n changes', () => {
+        const fix = TestBed.createComponent(DefaultPaginatorComponent);
+        fix.detectChanges();
+        const paginator = fix.componentInstance.paginator;
+
+        paginator.resourceStrings = { igx_paginator_label: 'Custom per page' };
+        fix.detectChanges();
+
+        try {
+            changei18n({ igx_paginator_pager_text: 'von' });
+            fix.detectChanges();
+
+            expect(paginator.resourceStrings.igx_paginator_label).toBe('Custom per page');
+            expect(paginator.resourceStrings.igx_paginator_pager_text).toBe('von');
+            expect(paginator.resourceStrings.igx_paginator_first_page_button_text).toBe('Go to first page');
+        } finally {
+            changei18n(PaginatorResourceStringsEN);
+        }
+    });
+
 });
 
 describe('IgxPaginator with custom settings', () => {
diff --git a/projects/igniteui-angular/paginator/src/paginator/paginator.component.ts b/projects/igniteui-angular/paginator/src/paginator/paginator.component.ts
index ea384e6f111..81b29d23e87 100644
--- a/projects/igniteui-angular/paginator/src/paginator/paginator.component.ts
+++ b/projects/igniteui-angular/paginator/src/paginator/paginator.component.ts
@@ -128,6 +128,7 @@ export class IgxPaginatorComponent implements IgxPaginatorToken {
     protected _perPage = 15;
 
     private _resourceStrings: IPaginatorResourceStrings = null;
+    private _customResourceStrings: IPaginatorResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(PaginatorResourceStringsEN, true);
     private _overlaySettings: OverlaySettings = {};
     private defaultSelectValues = [5, 10, 15, 25, 50, 100, 500];
@@ -256,19 +257,21 @@ export class IgxPaginatorComponent implements IgxPaginatorToken {
      */
     @Input()
     public set resourceStrings(value: IPaginatorResourceStrings) {
-        this._resourceStrings = Object.assign({}, this.resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
      * An accessor that returns the resource strings.
      */
     public get resourceStrings(): IPaginatorResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     constructor() {
         onResourceChangeHandle(this.destroyRef, () => {
             this._defaultResourceStrings = getCurrentResourceStrings(PaginatorResourceStringsEN, false);
+            this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
         }, this);
     }
 
diff --git a/projects/igniteui-angular/query-builder/src/query-builder/query-builder-header.component.ts b/projects/igniteui-angular/query-builder/src/query-builder/query-builder-header.component.ts
index 70fb8580b42..9385f6c87f8 100644
--- a/projects/igniteui-angular/query-builder/src/query-builder/query-builder-header.component.ts
+++ b/projects/igniteui-angular/query-builder/src/query-builder/query-builder-header.component.ts
@@ -20,6 +20,7 @@ export class IgxQueryBuilderHeaderComponent {
 
     private _destroyRef = inject(DestroyRef);
     private _resourceStrings: IQueryBuilderResourceStrings = null;
+    private _customResourceStrings: IQueryBuilderResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(QueryBuilderResourceStringsEN);
 
     /**
@@ -60,19 +61,21 @@ export class IgxQueryBuilderHeaderComponent {
      */
     @Input()
     public set resourceStrings(value: IQueryBuilderResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
      * Returns the resource strings.
      */
     public get resourceStrings(): IQueryBuilderResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     constructor() {
         onResourceChangeHandle(this._destroyRef, () => {
             this._defaultResourceStrings = getCurrentResourceStrings(QueryBuilderResourceStringsEN, false);
+            this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
         }, this);
     }
 }
diff --git a/projects/igniteui-angular/query-builder/src/query-builder/query-builder-tree.component.ts b/projects/igniteui-angular/query-builder/src/query-builder/query-builder-tree.component.ts
index 00b5627f9bd..16f5717da8f 100644
--- a/projects/igniteui-angular/query-builder/src/query-builder/query-builder-tree.component.ts
+++ b/projects/igniteui-angular/query-builder/src/query-builder/query-builder-tree.component.ts
@@ -239,7 +239,7 @@ export class IgxQueryBuilderTreeComponent implements AfterViewInit, OnDestroy {
      */
     public set locale(value: string) {
         this._locale = value;
-        this._defaultResourceStrings = getCurrentResourceStrings(QueryBuilderResourceStringsEN, false, this._locale);
+        this.updateResources(this._locale);
     }
 
     /**
@@ -248,14 +248,15 @@ export class IgxQueryBuilderTreeComponent implements AfterViewInit, OnDestroy {
      */
     @Input()
     public set resourceStrings(value: IQueryBuilderResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
     }
 
     /**
      * Returns the resource strings.
      */
     public get resourceStrings(): IQueryBuilderResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /**
@@ -483,7 +484,8 @@ export class IgxQueryBuilderTreeComponent implements AfterViewInit, OnDestroy {
     private _locale;
     private _defaultLocale;
     private _entityNewValue: EntityType;
-    private _resourceStrings = null;
+    private _resourceStrings: IQueryBuilderResourceStrings = null;
+    private _customResourceStrings: IQueryBuilderResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(QueryBuilderResourceStringsEN);
 
     /**
@@ -1702,10 +1704,16 @@ export class IgxQueryBuilderTreeComponent implements AfterViewInit, OnDestroy {
     private onResourceChange(args: CustomEvent<IResourceChangeEventArgs>) {
         this._defaultLocale = args.detail.newLocale;
         if (!this._locale) {
-            this._defaultResourceStrings = getCurrentResourceStrings(QueryBuilderResourceStringsEN, false);
+            // Avoid unnecessary fetch of resources, since they should be already retrieved when setting custom locale.
+            this.updateResources();
         }
     }
 
+    private updateResources(locale?: string) {
+        this._defaultResourceStrings = getCurrentResourceStrings(QueryBuilderResourceStringsEN, false, locale);
+        this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
+    }
+
     /** rootGroup is recreated after clicking Apply, which sets new expressionTree and calls init()*/
     protected trackExpressionItem = trackByIdentity;
 }
diff --git a/projects/igniteui-angular/query-builder/src/query-builder/query-builder.component.spec.ts b/projects/igniteui-angular/query-builder/src/query-builder/query-builder.component.spec.ts
index 5d394541e7c..29acba5e96a 100644
--- a/projects/igniteui-angular/query-builder/src/query-builder/query-builder.component.spec.ts
+++ b/projects/igniteui-angular/query-builder/src/query-builder/query-builder.component.spec.ts
@@ -1,5 +1,5 @@
 import { waitForAsync, TestBed, ComponentFixture, fakeAsync, tick, flush } from '@angular/core/testing';
-import { FilteringExpressionsTree, FilteringLogic, IExpressionTree, IgxDateFilteringOperand, IgxNumberFilteringOperand } from 'igniteui-angular/core';
+import { FilteringExpressionsTree, FilteringLogic, IExpressionTree, IgxDateFilteringOperand, IgxNumberFilteringOperand, QueryBuilderResourceStringsEN, changei18n } from 'igniteui-angular/core';
 import { IgxChipComponent } from 'igniteui-angular/chips';
 import { IgxComboComponent } from 'igniteui-angular/combo';
 import { IgxIconComponent } from 'igniteui-angular/icon';
@@ -3232,6 +3232,33 @@ describe('IgxQueryBuilder', () => {
     }));
 
   });
+
+  describe('Resource Strings', () => {
+    it('should return full resource strings when partial resourceStrings are set', () => {
+        queryBuilder.resourceStrings = { igx_query_builder_date_placeholder: 'Pick date' };
+        fix.detectChanges();
+
+        expect(queryBuilder.resourceStrings.igx_query_builder_date_placeholder).toBe('Pick date');
+        expect(queryBuilder.resourceStrings.igx_query_builder_filter_operator_and).toBe('And');
+        expect(queryBuilder.resourceStrings.igx_query_builder_add_condition).toBe('Add condition');
+    });
+
+    it('should update non-overridden resource strings when global i18n changes', () => {
+        queryBuilder.resourceStrings = { igx_query_builder_date_placeholder: 'Custom date' };
+        fix.detectChanges();
+
+        try {
+            changei18n({ igx_query_builder_filter_operator_and: 'Und' });
+            fix.detectChanges();
+
+            expect(queryBuilder.resourceStrings.igx_query_builder_date_placeholder).toBe('Custom date');
+            expect(queryBuilder.resourceStrings.igx_query_builder_filter_operator_and).toBe('Und');
+            expect(queryBuilder.resourceStrings.igx_query_builder_add_condition).toBe('Add condition');
+        } finally {
+            changei18n(QueryBuilderResourceStringsEN);
+        }
+    });
+  });
 });
 
 @Component({
diff --git a/projects/igniteui-angular/query-builder/src/query-builder/query-builder.component.ts b/projects/igniteui-angular/query-builder/src/query-builder/query-builder.component.ts
index dbb628996dc..c012b1b2fa9 100644
--- a/projects/igniteui-angular/query-builder/src/query-builder/query-builder.component.ts
+++ b/projects/igniteui-angular/query-builder/src/query-builder/query-builder.component.ts
@@ -171,14 +171,15 @@ export class IgxQueryBuilderComponent implements OnDestroy {
      */
     @Input()
     public set resourceStrings(value: IQueryBuilderResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
      * Returns the resource strings.
      */
     public get resourceStrings(): IQueryBuilderResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /**
@@ -241,6 +242,7 @@ export class IgxQueryBuilderComponent implements OnDestroy {
 
     private destroy$ = new Subject<any>();
     private _resourceStrings: IQueryBuilderResourceStrings = null;
+    private _customResourceStrings: IQueryBuilderResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(QueryBuilderResourceStringsEN);
     private _expressionTree: IExpressionTree;
     private _fields: FieldType[];
@@ -252,6 +254,7 @@ export class IgxQueryBuilderComponent implements OnDestroy {
         this.registerSVGIcons();
         onResourceChangeHandle(this.destroy$, () => {
             this._defaultResourceStrings = getCurrentResourceStrings(QueryBuilderResourceStringsEN, false);
+            this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
         }, this);
     }
 
diff --git a/projects/igniteui-angular/time-picker/src/time-picker/time-picker.component.ts b/projects/igniteui-angular/time-picker/src/time-picker/time-picker.component.ts
index 28b2ad29172..e3af7f978a8 100644
--- a/projects/igniteui-angular/time-picker/src/time-picker/time-picker.component.ts
+++ b/projects/igniteui-angular/time-picker/src/time-picker/time-picker.component.ts
@@ -457,6 +457,7 @@ export class IgxTimePickerComponent extends PickerBaseDirective
     private _dateMaxValue: Date;
     private _selectedDate: Date;
     private _resourceStrings: ITimePickerResourceStrings = null;
+    private _customResourceStrings: ITimePickerResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(TimePickerResourceStringsEN);
     private _okButtonLabel = null;
     private _cancelButtonLabel = null;
@@ -534,14 +535,15 @@ export class IgxTimePickerComponent extends PickerBaseDirective
      */
     @Input()
     public set resourceStrings(value: ITimePickerResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
      * An accessor that returns the resource strings.
      */
     public get resourceStrings(): ITimePickerResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /**
@@ -1087,6 +1089,7 @@ export class IgxTimePickerComponent extends PickerBaseDirective
 
     protected override updateResources() {
         this._defaultResourceStrings = getCurrentResourceStrings(TimePickerResourceStringsEN, false, this._locale);
+        this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
     }
 
     private get isTouchedOrDirty(): boolean {
diff --git a/projects/igniteui-angular/tree/src/tree/tree-node/tree-node.component.ts b/projects/igniteui-angular/tree/src/tree/tree-node/tree-node.component.ts
index 880509c5d67..1ff8721a136 100644
--- a/projects/igniteui-angular/tree/src/tree/tree-node/tree-node.component.ts
+++ b/projects/igniteui-angular/tree/src/tree/tree-node/tree-node.component.ts
@@ -201,14 +201,15 @@ export class IgxTreeNodeComponent<T> extends ToggleAnimationPlayer implements Ig
      */
     @Input()
     public set resourceStrings(value: ITreeResourceStrings) {
-        this._resourceStrings = Object.assign({}, this._resourceStrings, value);
+        this._resourceStrings = value;
+        this._customResourceStrings = Object.assign({}, this._defaultResourceStrings, this._resourceStrings);
     }
 
     /**
      * An accessor that returns the resource strings.
      */
     public get resourceStrings(): ITreeResourceStrings {
-        return this._resourceStrings || this._defaultResourceStrings;
+        return this._resourceStrings ? this._customResourceStrings : this._defaultResourceStrings;
     }
 
     /**
@@ -361,6 +362,7 @@ export class IgxTreeNodeComponent<T> extends ToggleAnimationPlayer implements Ig
     public registeredChildren: IgxTreeNodeLinkDirective[] = [];
 
     private _resourceStrings: ITreeResourceStrings = null;
+    private _customResourceStrings: ITreeResourceStrings = null;
     private _defaultResourceStrings = getCurrentResourceStrings(TreeResourceStringsEN);
     private _tabIndex = null;
     private _disabled = false;
@@ -369,6 +371,7 @@ export class IgxTreeNodeComponent<T> extends ToggleAnimationPlayer implements Ig
         super();
         onResourceChangeHandle(this.destroy$, () => {
             this._defaultResourceStrings = getCurrentResourceStrings(TreeResourceStringsEN, false);
+            this._customResourceStrings = this._resourceStrings ? Object.assign({}, this._defaultResourceStrings, this._resourceStrings) : null;
         }, this);
     }
 
diff --git a/projects/igniteui-angular/tree/src/tree/tree.spec.ts b/projects/igniteui-angular/tree/src/tree/tree.spec.ts
index 290c2e85944..f8683888fd3 100644
--- a/projects/igniteui-angular/tree/src/tree/tree.spec.ts
+++ b/projects/igniteui-angular/tree/src/tree/tree.spec.ts
@@ -4,7 +4,7 @@ import { By } from '@angular/platform-browser';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { Subject } from 'rxjs';
 import { takeUntil } from 'rxjs/operators';
-import { AnimationService, IgxAngularAnimationService } from 'igniteui-angular/core';
+import { AnimationService, IgxAngularAnimationService, TreeResourceStringsEN, changei18n } from 'igniteui-angular/core';
 import { TreeTestFunctions } from './tree-functions.spec';
 import { IgxTreeNavigationService } from './tree-navigation.service';
 import { IgxTreeNodeComponent } from './tree-node/tree-node.component';
@@ -719,7 +719,50 @@ describe('IgxTree #treeView', () => {
             });
         });
     });
+
+    describe('IgxTreeNode Resource Strings', () => {
+        let fix: ComponentFixture<IgxTreeSampleComponent>;
+
+        beforeEach(waitForAsync(() => {
+            TestBed.configureTestingModule({
+                imports: [NoopAnimationsModule, IgxTreeSampleComponent]
+            }).compileComponents();
+        }));
+
+        beforeEach(() => {
+            fix = TestBed.createComponent(IgxTreeSampleComponent);
+            fix.detectChanges();
+        });
+
+        it('should return full resource strings when partial resourceStrings are set', () => {
+            const node = fix.componentInstance.tree.nodes.first;
+
+            node.resourceStrings = { igx_expand: 'Open' };
+            fix.detectChanges();
+
+            expect(node.resourceStrings.igx_expand).toBe('Open');
+            expect(node.resourceStrings.igx_collapse).toBe('Collapse');
+        });
+
+        it('should update non-overridden resource strings when global i18n changes', () => {
+            const node = fix.componentInstance.tree.nodes.first;
+
+            node.resourceStrings = { igx_expand: 'Custom Expand' };
+            fix.detectChanges();
+
+            try {
+                changei18n({ igx_collapse: 'Close' });
+                fix.detectChanges();
+
+                expect(node.resourceStrings.igx_expand).toBe('Custom Expand');
+                expect(node.resourceStrings.igx_collapse).toBe('Close');
+            } finally {
+                changei18n(TreeResourceStringsEN);
+            }
+        });
+    });
 });
+
 @Component({
     template: `
         <igx-tree>