Build(deps): Bump @angular/compiler from 19.2.25 to 20.3.25 in /frontend

[dependabot]

Bumps @angular/compiler from 19.2.25 to 20.3.25.

Release notes

Sourced from @​angular/compiler's releases.

20.3.25

common

Commit	Description
	Limits date format string length
	skip transfer cache for uncacheable HTTP traffic
	use cryptographically secure SHA-256 for transfer cache key generation

compiler

Commit	Description
	sanitize two-way properties

core

Commit	Description
	harden TransferState restoration against DOM clobbering
	validate lowercase SVG animation attribute names (#69270)

http

Commit	Description
	preserve empty referrer option in HttpRequest
	Rejects non-HTTP(S) URLs in JSONP requests
	skip transfer cache for fetch credentialed requests

platform-server

Commit	Description
	harden platform location origin validation during SSR
	deprecate ServerXhr (#69256)

service-worker

Commit	Description
	Strips sensitive headers on cross-origin redirects

Deprecations

platform-server

• XHR support in @angular/platform-server is deprecated. Use standard fetch APIs instead.

20.3.24

platform-server

Commit	Description
	throw on suspicious URLs and restrict protocol-relative URLs
	update domino to latest version

20.3.23

compiler

Commit	Description
	prevent namespaced SVG elements from being stripped

20.3.22

common

... (truncated)

Changelog

Sourced from @​angular/compiler's changelog.

20.3.25 (2026-06-10)

Deprecations

platform-server

• XHR support in @angular/platform-server is deprecated. Use standard fetch APIs instead.

common

Commit	Type	Description
9f443bc24c	fix	Limits date format string length
566ad05f20	fix	skip transfer cache for uncacheable HTTP traffic
1a62130a6b	fix	use cryptographically secure SHA-256 for transfer cache key generation

compiler

Commit	Type	Description
a68ec702a0	fix	sanitize two-way properties

core

Commit	Type	Description
768a349e6e	fix	harden TransferState restoration against DOM clobbering
ca48b4728d	fix	validate lowercase SVG animation attribute names (#69270)

http

Commit	Type	Description
06be298267	fix	preserve empty referrer option in HttpRequest
fa940e1f4d	fix	Rejects non-HTTP(S) URLs in JSONP requests
e2ef1ce72a	fix	skip transfer cache for fetch credentialed requests

platform-server

Commit	Type	Description
49368c1859	fix	harden platform location origin validation during SSR
d55c94ad81	refactor	deprecate ServerXhr (#69256)

service-worker

Commit	Type	Description
d65a5f457b	fix	Strips sensitive headers on cross-origin redirects

22.0.0 (2026-06-03)

Blog post "Announcing Angular v22".

Breaking Changes

compiler

• This change will trigger the nullishCoalescingNotNullable and optionalChainNotNullable diagnostics on exisiting projects. You might want to disable those 2 diagnotiscs in your tsconfig temporarily.
• data prefixed attribute no-longer bind inputs nor outputs.
• The compiler will throw when there a when inputs, outputs or model are binding to the same input/outputs.
• in variables will throw in template expressions.

compiler-cli

... (truncated)

Commits

• a68ec70 fix(compiler): sanitize two-way properties
• d40acc6 fix(compiler): prevent namespaced SVG <style> elements from being stripped
• 7ae6381 test(compiler-cli): align ngtsc sanitization expectations with modern DOM sch...
• 36200bd test(core): update spec files to match 20.3.x limits and actual contexts (#68...
• 823b37f test(compiler): remove obsolete schema_extractor import (#68926)
• e345a58 fix(core): normalize tag names in runtime i18n attribute security context loo...
• 8f35b18 fix(compiler): normalize tag names with custom namespaces in DomElementSchema...
• 64a89e9 fix(compiler): sanitize dynamic href and xlink:href bindings on SVG a element...
• 6404edf fix(compiler): strip namespaced SVG script elements during template compilati...
• dc631ef fix(core): support prefix-insensitive DOM schema lookups and compile-time i18...
• Additional commits viewable in compare view

Most Recent Ignore Conditions Applied to This Pull Request

Dependency Name	Ignore Conditions
@angular/compiler	[>= 21.a, < 22]
@angular/compiler	[>= 22.a, < 23]

[WillSams]

@dependabot skip this major version

[dependabot]

OK, I won't notify you about version 20.x.x again, unless you re-open this PR.