message: docs: release notes for the v12.1.1 release
diff: +<a name="12.1.1"></a>
  +# 12.1.1 (2021-06-30)
  +### compiler-cli
  +| Commit | Description |
  +| -- | -- |
  +| f6b828e292 | fix(compiler-cli): add support for partially evaluating types (#41661) |
  +### platform-browser
  +| Commit | Description |
  +| -- | -- |
  +| d19ddd1a87 | fix(platform-browser): in `Meta.addTag()` do not add duplicate meta tags (#42703) |
  +## Special Thanks:
  +Alan Agius, Dario Piotrowicz, George Kalpakas, George Looshch, Lars Gyrup Brink Nielsen, Paul Gschwendtner, Pete Bacon Darwin, Zach Arend, codebriefcase, dario-piotrowicz, marvinbeckert, mgechev and pavlenko
  +
  +
  <a name="12.2.0-next.0"></a>
  # 12.2.0-next.0 (2021-06-24)
  