What changed in Angular from 21 to 22

v22.1.0Jul 29, 2026

• add an error for --global-foo cases
• namespace CSS variables to the app
• support css var namespacing in properties
• add custom set option to linkedSignal
• add deep linking from Performance panel to DevTools
• add options to allow caching of credentialed and non-cacheable HTTP requests

v22.1.5Sep 3, 2026

• Check uninvoked signal aliases in extended diagnostic
• Cancel stale debounce timers to prevent timer leaks
• Don't fail NgModule checks for a pipe that extends a base class
• Validate SVG animation attributes outside the SVG namespace
• Avoid writing to name input on ControlValueAccessor
• Skip tsconfig files of non-Angular projects
• Resolve HTTP(S) URLs without authority as relative during SSR
• Avoid view transitions when the user agent provides one

v22.1.4Aug 27, 2026

• avoid prototype member collisions in common
• use locale NaN symbol in number formatting
• scope animations declared in minified nested rules
• default template diagnostic related message source file to template
• produce correct tcb expression for optional chaining
• retain metadata for strict standalone errors
• avoid prototype member collisions in core
• explicitly reject foreign components in JIT mode
• preserve namespace for dynamic component hosts
• prevent TransferState prototype pollution
• throw coded RuntimeErrors instead of crashing when hydration/rendering cannot find an expected DOM node
• use dot-access for readonly rule configuration
• honor quote style preference when generating imports
• preserve registerLocaleData calls in standalone bootstrap migration
• avoid stripping unicode whitespace during url resolution

v22.1.3Aug 19, 2026

• Detect object trigger values with Object.hasOwn in animations
• Preserve literal key union in KeyValuePipe.transform()
• Preserve &ngsp; between sibling control flow blocks in compiler
• Accept readonly arrays for setClassMetadata decorators
• Allow readonly arrays in RawScopeInfoFromDecorator
• Expose debuggableFn for non-computed signal graph nodes
• Prevent orphaned requestIdleCallback handle from re-entrant scheduling
• Replace all hasOwnProperty usages with Object.hasOwn
• Stop running further effects once one destroys the view mid-flush
• Throw a descriptive error instead of crashing when a hydration node is missing
• Throw NG0500 instead of a raw TypeError on element hydration mismatch
• Report forbidden 2way bindings on when FormField is applied
• Warn in dev mode when ngModel cannot reach parent NgForm across component boundary
• Cancel oversized fetch response bodies
• Recover project for external templates in solution-style workspaces
• Disallow event handler attributes in Meta
• Throw a descriptive error when insertBefore reference node is missing
• Pass correct component to canDeactivate for named outlets in componentless parent routes

v22.1.2Aug 13, 2026

• Generate correct expression for optional chaining
• Remove namespaced MathML script elements
• Correctly resolve symbol for SafePropertyRead in chained optional navigation
• Record class extends clause references in DeferredSymbolTracker
• Ensure i18n_util hasOwnProperty checks are safe for property renaming
• Fix incorrect loop in defer blocks
• Reject prefixed SVG script hosts
• Keep radio inputs in sync when values change
• Always decode JSON responses as UTF-8
• Limit protocol-relative URL handling to serialization

v22.1.1Aug 7, 2026

• Initialize hydration triggers after late runtime activation
• Warn when style property bindings receive invalid values
• Avoid aborting completed requests in FetchBackend
• Respect content-type charset in fetch backend text decoder
• Run root interceptors in the terminal request chain
• Strip RFC 6265 DQUOTE characters and handle URIError in parseCookieValue

v22.1.0Jul 29, 2026

• skip transfer cache for uncacheable HTTP traffic
• permissive whitespace parsing in default never blocks
• support foreign components defined outside top-level scope
• support foreign components inside control flow blocks
• allow passing uninvoked signals as foreign component props
• support import aliases in foreignImports
• account for namespaces in host binding sanitization
• correct container anchor collection order to match DOM layout
• introduce disposal mechanism for Angular views in foreign @content
• introduce logical-only containers for foreign content
• sanitize host bindings on concrete hosts
• set current tnode in foreign component instruction on reuse
• enable xsrf for root-provided HttpClient
• match header values exactly when deleting

v22.0.8Jul 22, 2026

• Preserve crossorigin on image preloads
• Ensure SVG animation attributeName is checked case-insensitively
• Ensure pending status propagates to the root form in signal forms
• Prevent transfer cache key collisions
• Correctly migrate ngClass with mixed space-separated keys
• Preserve NgClass import on partial migration

v22.0.7Jul 16, 2026

• avoid prototype lookups in date format caches
• parsing of an empty template literal interpolation
• re-tag SourceFiles after TsCreateProgramDriver.updateFiles()
• allow static attributes for explicit input transforms
• ignore processing instruction syntax in templates
• preserve explicit input transform write type
• allow multiple async validators
• preserve intermediate number values in signal forms
• prevent stale CVA writeback during debounce
• prevent interceptor signal reads from leaking into calling reactive contexts
• build runtime translations map with a null prototype
• use Object.hasOwn for placeholder lookup in translate
• prevent ReDoS in SOURCEMAP_URL_REGEXP

v22.0.6Jul 8, 2026

• Use regular optional chaining expression for safe function calls in template checking blocks
• Apply debugName transform to required signal queries
• Detect uninvoked signals in bound expressions using ternary
• Make extractValue reactive for compat AbstractControl values
• Preserve transitive NgModule references when pruning
• Remove stale model import in model-output migration
• Handle outlet named __proto__ in segment group maps
• Use safe hasOwnProperty when parsing query params

v22.1.0Jul 29, 2026

• deprecate jsonp support