@angular/upgrade

Using the Y formatter (week-numbering year) without also including w (week number) is now detected as suspicious date pattern, as y is typically intended.

AsyncPipe now directly catches unhandled errors in subscriptions and promises and reports them to the application's ErrorHandler. For Zone-based applications, these errors would have been caught by ZoneJS and reported to ErrorHandler so the result is generally the same. The change to the exact mechanism for reporting can result in differences in test environments that will require test updates.

'in' in an expression now refers to the operator

void in an expression now refers to the operator

• TypeScript versions less than 5.8 are no longer supported.

The TestBed.flushEffects() was removed - use the TestBed.tick() instead.

It is renamed to provideCheckNoChangesConfig

The behavior applies to all checkNoChanges runs

The useNgZoneOnStable option is removed. This wasn't found to be generally more useful than interval

provideExperimentalZonelessChangeDetection is renamed to provideZonelessChangeDetection as it is now "Developer Preview" rather than "Experimental".