Upgrading to Angular 20:

Replaced checked in package-lock.json by regenerated one.
Ran ng update @angular/core@20 @angular/cli@20
Ran npm install @angular-builders/jest@^20.0.0 @fortawesome/angular-fontawesome@^3.0.0 @swimlane/ngx-graph@^11
Ran npm install ngx-mat-select-search@^8.0.2.
Ran ng update @angular/material@20.
Updated all eslint and typescript to the latest versions.
Removed @angular-devkit/schematics.
Updated fontawesome.
Updated rxjs and tslib.
Moved required node version from 16 to 20.
Updated jest-preset-angular.
Set preserveWhitespaces to false.
Corrected two type declarations in two typescript files to make ng serve run without errors.
Removed unused angular-devkit/schematics from view-user.component.ts .
Updated list of supported browsers.
Upgraded prettier.
Ran prettier . --write the first time.
Ran prettier . --write the second time.
Ran ng generate @angular/core:inject with defaults, excepted a handful of files.
Fixed remaining eslint problems.
Added dist directory to ignores in eslint.config.js.
Let prettier fix formatting, almost everything is just line breaks.
Made htmlhint ignore @if and @for Angular constructs.
Updated node version in Github workflow to 22.12.0 (build.yml).
Updated .env.ts.
Updated Angular datetime format strings from YYYY-MM-DD to yyyy-MM-dd.
Merged changes from dev into angular20 branch.

src/app/settings/settings.component.html

@@ -14,27 +14,33 @@
         <mat-form-field>
           <mat-label>{{ 'labels.inputs.Default Language' | translate }}</mat-label>
           <mat-select [formControl]="language" [compareWith]="compareOptions">
-            <mat-option *ngFor="let language of languages" [value]="language">
-              {{ language.name }}
-            </mat-option>
+            @for (language of languages; track language) {
+              <mat-option [value]="language">
+                {{ language.name }}
+              </mat-option>
+            }
           </mat-select>
         </mat-form-field>
 
         <mat-form-field>
           <mat-label>{{ 'labels.inputs.Default Date Format' | translate }}</mat-label>
           <mat-select [formControl]="dateFormat">
-            <mat-option *ngFor="let dateFormat of dateFormats" [value]="dateFormat">
-              {{ dateFormat }}
-            </mat-option>
+            @for (dateFormat of dateFormats; track dateFormat) {
+              <mat-option [value]="dateFormat">
+                {{ dateFormat }}
+              </mat-option>
+            }
           </mat-select>
         </mat-form-field>
 
         <mat-form-field>
           <mat-label>{{ 'labels.inputs.Decimals to Display' | translate }}</mat-label>
           <mat-select [formControl]="decimalsToDisplay">
-            <mat-option *ngFor="let decimalOpt of decimals" [value]="decimalOpt">
-              {{ decimalOpt }}
-            </mat-option>
+            @for (decimalOpt of decimals; track decimalOpt) {
+              <mat-option [value]="decimalOpt">
+                {{ decimalOpt }}
+              </mat-option>
+            }
           </mat-select>
         </mat-form-field>
       </div>
@@ -76,9 +82,11 @@
         <mat-form-field>
           <mat-label>{{ 'labels.inputs.Default Font' | translate }}</mat-label>
           <mat-select>
-            <mat-option *ngFor="let font of fonts" [value]="font">
-              {{ font }}
-            </mat-option>
+            @for (font of fonts; track font) {
+              <mat-option [value]="font">
+                {{ font }}
+              </mat-option>
+            }
           </mat-select>
         </mat-form-field>
       </div>