21.2.17

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 (#69269)

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 (#69255)

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.