chore: upgrade angular 21

[fpaul-1A]

Proposed change

Missing:

• ngx-markdown still has a peer dependency on zone.js
  -> non-blocking, issue is tracked here Zone.js as optional dependency jfcere/ngx-markdown#524
• @nx/angular not updated to angular 21
  -> fixed in 22.3.0
• design-factory, @agnos-ui/angular-bootstrap not updated to angular 21
  -> non-blocking
• jest-preset-angular not updated to angular 21
  -> fixed in 16.0
• @ngrx/router-store not updated to angular 21
  -> updated in 21.0.0
• @angular-builders/jest not updated to angular 21
  -> fixed in 21.0.0-beta
• ngx-monaco-editor-v2 not updated to angular 21
  -> non-blocking, pull-request opened here fix bugs and move to angular 21 miki995/ngx-monaco-editor-v2#44

Related issues

- No issue associated -

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☁️ Nx Cloud last updated this comment at 2026-01-13 12:23:37 UTC

[vscaiceanu-1a]

is it documented somewhere that useJest takes priority over useVitest?
I see a potential issue in the current implementation. Even if you choose vitest in options.testingFramework, but you have a leftover dependency that contains jest (or the package name, or description etc) you will stil use jest. Maybe not to be tackled in this PR but, it might be worth to track it via an issue

[fpaul-1A]

we'll have to do some more tests for sure to validate that everything works fine with jest/vitest