Angular CLI: v21.2.0 Release

@schematics/angular

| Commit | Description | | -- | -- | | | add a '.prettierrc' file to generated workspaces and add Prettier as dev dependency | | | add ng-add support for Vitest browser providers | | | add actionable feedback to vitest-browser schematic |

@angular/cli

| Commit | Description | | -- | -- | | | add markdown files to Prettier's formatting list | | | automatic formatting files modified by schematics | | | integrate file formatting into update migrations | | | standardize MCP tools around workspace/project options | | | correctly parse scoped packages in yarn classic list output | | | enable shell option for Prettier execution on Windows platforms | | | quote complex range specifiers in package manager | | | renamed files by their new path in the schematic workflow | | | simplify Angular version compatibility checks and add special handling for local builds of new major versions | | | validate package manager version using semver.valid and throw an error if invalid | | | optimize package manager discovery with stat-based probing |

@angular/build

| Commit | Description | | -- | -- | | | add headless option to unit-test builder | | | run vitest browser with playwright with OS theme | | | adjust sourcemap sources when Vitest wrapper is bypassed | | | bundle setup files in unit-test builder for Vitest | | | explicitly fail when using Vitest runtime mocking | | | normalize allowedHosts in dev-server | | | serve extensionless assets without transformation |