Update angular-cli monorepo to v21

[renovate]

ℹ️ Note

This PR body was truncated due to platform limits.

This PR contains the following updates:

Package	Change	Age	Confidence
@angular-devkit/core	^12.0.0 → ^21.0.0
@angular-devkit/schematics	^12.0.0 → ^21.0.0

---

Release Notes

angular/angular-cli (@​angular-devkit/core)

v21.2.12

Compare Source

@​angular/build

Commit	Type	Description
cbad57579	fix	ignore virtual esbuild paths with (disabled):

v21.2.11

Compare Source

@​angular/cli

Commit	Type	Description
bbd63b7a5	fix	robustly parse npm manifest from array

@​angular/ssr

Commit	Type	Description
eafe1a719	fix	allow all hosts in common engine rendering options to prevent validation errors
7a116a80d	fix	remove stateful flag from URL_PARAMETER_REGEXP

v21.2.10

Compare Source

@​angular/cli

Commit	Type	Description
bb8611913	fix	restrict MCP workspace access to allowed client roots during resolution

v21.2.9

Compare Source

@​angular/cli

Commit	Type	Description
233deef01	fix	fix broken img ref in ai-tutor
7cea9885c	fix	introduce initial package manager workspace awareness
5b1a5b743	fix	remove standalone true ref in ai tutor

@​schematics/angular

Commit	Type	Description
e7abeb5c7	fix	add missing imports for focus and skip APIs in refactor-jasmine-vitest

@​angular/ssr

Commit	Type	Description
94023f62c	fix	introduce trustProxyHeaders option to safely validate and sanitize proxy headers
5ffe5c309	fix	add support for configuring trusted proxy headers via environment variable
930ada9b7	fix	decode route segments when building and matching route tree
0dc8a440c	fix	use router to normalize URLs for comparison

v21.2.8: 21.2.8

Compare Source

@​angular/cli

Commit	Description
	dynamically resolve project Angular CLI executable inside MCP tools
	ignore EBADF file system errors during MCP project scan
	use headless option in MCP test tool

@​angular-devkit/build-angular

Commit	Description
	ensure route has leading slash in prerender builder
	fix app-shell route format and

@​angular/build

Commit	Description
	use rootDir for HMR component updates path resolution
	validate V8 coverage support for browsers in Vitest

v21.2.7

Compare Source

@​angular/cli

Commit	Type	Description
971041aa1	fix	handle missing package manager during analytics initialization

@​angular/build

Commit	Type	Description
365cce81d	fix	preserve coverage ignore comments in development
9f74660c3	fix	show clear error when styleUrl points to a TypeScript file

v21.2.6

Compare Source

@​angular/cli

Commit	Type	Description
ea14f28cc	fix	fix sourceRoot resolution for MCP projects tool

@​angular/build

Commit	Type	Description
9136eb376	fix	ensure transitive SCSS partial errors are tracked in watch mode
8186faa11	fix	ensure Vitest mock patching is executed only once
107d1a9e2	fix	preserve error stack traces during prerendering
b7f457253	fix	scope CHROME_BIN executable path to individual playwright instances

v21.2.5

Compare Source

@​angular/cli

Commit	Type	Description
cadf9b201	feat	support custom port in MCP devserver start tool

@​angular/ssr

Commit	Type	Description
bbc255419	fix	allow underscores in host validation
b1fe66a7f	fix	patch Headers.forEach in cloneRequestAndPatchHeaders

v21.2.4

Compare Source

@​angular/cli

Commit	Type	Description
a7787d092	fix	restore console methods after logger completes

@​angular/build

Commit	Type	Description
7170599ab	fix	deduplicate and merge coverage excludes with vitest
c73f13797	fix	prevent reporter duplicates by explicitly overriding Vitest configuration
956ccaa71	fix	remove default for unit-test coverage option
36978db7e	fix	warn about performance of test.exclude in vitest configuration
6ec36f5be	fix	warn when vitest watch config conflicts with builder

@​angular/ssr

Commit	Type	Description
9bdf782c8	fix	apply forwarded prefix and vary header in accept-language redirects
628c58672	fix	support '*' in allowedHosts and warn about security risks

v21.2.3

Compare Source

@​angular/cli

Commit	Type	Description
1505164bb	fix	use parsed package name for migrate-only updates

@​angular/build

Commit	Type	Description
75fa94cad	fix	alias createRequire banner import to avoid duplicate binding
d009aa1ec	fix	only use external packages for polyfills when no local files are present

@​angular/ssr

Commit	Type	Description
f3e0e82c2	fix	disallow x-forwarded-prefix starting with a backslash
b8bcd59b4	fix	ensure unique values in redirect response Vary header
84385411d	fix	support custom headers in redirect responses

v21.2.2

Compare Source

@​angular/cli

Commit	Type	Description
8447d9132	fix	conditionally quote package names when adding dependencies based on host requirements
d2f209823	fix	preserve exact version in ng add when requested
28f4d684a	perf	avoid redundant package version resolution in ng add

@​angular/build

Commit	Type	Description
06010294f	fix	allow any CHROME_BIN for vitest playwright provider
8dec0c62b	fix	normalize line endings for CSP hash generation
58688ebd7	fix	pass process environment variables to prerender workers
4ca61647f	fix	resolve assets correctly during i18n prerendering

v21.2.1

Compare Source

@​angular/cli

Commit	Type	Description
ae4c28d00	fix	correct dev dependency detection logic in ng add
465073bc1	fix	disable npm update notifier in package manager host
36270634f	fix	ensure group members are updated to targeted version
d87dba6af	fix	ignore unknown files when formatting schematic changes

@​schematics/angular

Commit	Type	Description
72d466aa0	fix	prevent adding test dependencies when minimal option is enabled

@​angular-devkit/build-angular

Commit	Type	Description
0019d1c8e	fix	update copy-webpack-plugin to v14.0.0

@​angular/build

Commit	Type	Description
6ad860863	fix	bundle polyfills to preserve execution order in dev server
d17397375	fix	conditionally allow vi.mock for non-relative imports
0d49f86ed	fix	resolve style include paths relative to ng-package.json in unit-test builder
584f6a2d9	fix	treat empty browsers array as undefined in unit-test builder
6699cdc9b	perf	fix memory leak in ng serve with i18n

@​angular/ssr

Commit	Type	Description
43a9dfa66	fix	improve header validation logic
dee3717b3	fix	introduce DI token to signal route discovery process

v21.2.0

Compare Source

@​angular/cli

Commit	Type	Description
0dd04f289	feat	add markdown files to Prettier's formatting list
fbae1b6ab	feat	automatic formatting files modified by schematics
91b9d281f	feat	integrate file formatting into update migrations
98a24d040	feat	standardize MCP tools around workspace/project options
d9cd609c5	fix	correctly parse scoped packages in yarn classic list output
5b05f2500	fix	enable shell option for Prettier execution on Windows platforms
25b8a157d	fix	quote complex range specifiers in package manager
6f29a8c35	fix	renamed files by their new path in the schematic workflow
201a036f2	fix	simplify Angular version compatibility checks and add special handling for local builds of new major versions
cdd26bb66	fix	validate package manager version using semver.valid and throw an error if invalid
bc363af8b	perf	optimize package manager discovery with stat-based probing

@​schematics/angular

Commit	Type	Description
aa7381efd	feat	add a '.prettierrc' file to generated workspaces and add Prettier as dev dependency
f80db6fb7	feat	add ng-add support for Vitest browser providers
5d1df50d8	fix	add actionable feedback to vitest-browser schematic

@​angular/build

Commit	Type	Description
ece30f235	feat	add headless option to unit-test builder
cad7a7c0f	feat	run vitest browser with playwright with OS theme
0b4982720	fix	adjust sourcemap sources when Vitest wrapper is bypassed
1f114a9e8	fix	bundle setup files in unit-test builder for Vitest
fd5cb28c8	fix	explicitly fail when using Vitest runtime mocking
dc899e8a5	fix	normalize allowedHosts in dev-server
26bbea12f	fix	serve extensionless assets without transformation

v21.1.5

Compare Source

@​angular/ssr

Commit	Type	Description
8695d6063	fix	prevent open redirect via X-Forwarded-Prefix header
e4d445ec6	fix	validate host headers to prevent header-based SSRF

v21.1.4

Compare Source

@​angular/build

Commit	Type	Description
7a9dd6b47	fix	correctly resolve absolute setup file paths in Vitest

v21.1.3

Compare Source

@​schematics/angular

Commit	Type	Description
a18196a10	fix	warn when production configuration is missing for service worker

@​angular-devkit/build-angular

Commit	Type	Description
6d05d27ca	fix	address Node.js deprecation DEP0190

v21.1.2

Compare Source

@​angular-devkit/schematics-cli

Commit	Type	Description
e7458c81d	fix	Add boolean type inference for 'true' and 'false' string values in argument parsing

@​angular-devkit/architect

Commit	Type	Description
d66f1fe64	fix	Add boolean type inference for 'true' and 'false' string values in argument parsing

@​angular/build

Commit	Type	Description
80911af67	fix	loosen Vitest dependency checks when runnerConfig is used
2d30639d3	fix	support merging coverage thresholds with Vitest runnerConfig

v21.1.1

Compare Source

@​angular/cli

Commit	Type	Description
151b69587	fix	Remove nonexistent link from MCP response

@​schematics/angular

Commit	Type	Description
9da6d8fa7	fix	correct vscode MCP configuration for new projects
361758c75	fix	remove special characters from jasmine-vitest report filename

@​angular/build

Commit	Type	Description
1b7e3307a	fix	allow application assets in workspace root
d1e596dc5	fix	prevent incorrect catch binding removal in downleveled for-await
98ef0981a	fix	update undici to v7.18.2

v21.1.0

Compare Source

@​angular/cli

Commit	Type	Description
772e6efe7	feat	add 'test' and 'e2e' MCP tools
8efb86318	feat	Add "all" as an experimental tool group
c3c9ac506	feat	Add MCP tools for building and running devservers
d635a6c63	feat	add signal forms lessons
d8b76e93d	fix	correctly handle yarn classic tag manifest fetching
7ab5c0b0a	fix	correctly spawn package managers on Windows in new abstraction
348096623	fix	enhance list_projects MCP tool file system traversal and symlink handling
316fca862	fix	handle array output from npm view in manifest parser
032257a6d	fix	improve signal forms lesson examples in AI tutor
18d74dde8	fix	rename mcp devserver tools to comply with naming spec
1ad773671	fix	update dependency @​modelcontextprotocol/sdk to v1.25.2
45d4f5668	fix	update yarn berry package manager configuration
122ed27c9	fix	use project-local temporary directory in ng add
a15db28b2	perf	cache resolved specific version in package manager abstraction
240588b7e	perf	optimize ng add version discovery

@​schematics/angular

Commit	Type	Description
36cf3afb4	feat	add browserMode option to jasmine-vitest schematic
e71a72ffd	feat	generate detailed migration report for refactor-jasmine-vitest
18cf6c51b	fix	add MCP configuration file to new workspaces

@​angular/build

Commit	Type	Description
1eda0a99f	feat	directly support ng-packagr in unit-test builder
87175f9dc	feat	disable TestBed teardown during debugging in Vitest
1e39c77a4	fix	inject source-map-support for Vitest browser tests
3fd7dcd76	fix	normalize roots to POSIX in test discovery for Windows compatibility
164e7dbbc	fix	resolve test files correctly on Windows when using non-C drives
ad99e00ad	fix	simplify SSL handling for ng serve with SSR (#​31722)

v21.0.6

Compare Source

@​angular/ssr

Commit	Type	Description
730ae6609	fix	handle platform destruction during rendering

v21.0.5

Compare Source

@​angular/cli

Commit	Type	Description
249563749	fix	use narrower types for new MCP TS SDK compatibility

@​schematics/angular

Commit	Type	Description
cbd0718b9	fix	move 'provideZoneChangeDetection' to the root module
33f7cf761	fix	update application schematics for module-based apps to use 'provideZoneChangeDetection'
37b14d1f7	fix	update default app component message
c37dccb09	fix	update default app component welcome message

@​angular/build

Commit	Type	Description
2b9be3a7c	fix	ensure correct project targeting during Vitest debugging

v21.0.4

Compare Source

@​schematics/angular

Commit	Type	Description
b671245b9	fix	improve VS Code background compilation start/end detection
85a28dec7	fix	remove inlineSources from library tsconfig template

@​angular/build

Commit	Type	Description
deb4fff61	fix	add browser condition to resolver for vitest
570ce8d3e	fix	allow non-prefixed requests when using SSR and base href
4dd3c1a32	fix	conditionally manage Vitest UI option
4b8b7caec	fix	ensure tests run when compilation error is resolved
bef4fcecb	fix	remove LmdbCacheStore export from private API

@​angular/ssr

Commit	Type	Description
bb54747da	fix	add leading slash to well-known non-Angular URLs
0cfe2e749	fix	propagate status code to redirect
eadadb848	fix	skip SSR processing for well-known non-Angular URLs like favicon.ico

[v21.0.3](https://redirect.github

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PR body was truncated to here.

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud