Rendered HTML Output doesnt respect activeLanguage completely

Same, patch from #39 solves the issue — Thanks!
We had the problem, that the UI translations were rendered in the language negotiated by Drupal --> so always German.

Reroll the MR and make a patch for it.

I'm just doing some light work related to #3190024: Problem with test dependencies when testing issue forks → .

@fjgarlin: Thanks a lot for your work on that!
However, please do such work in 📌 (Try to) fix the GitLab CI RTBC in the future, it’s quite unrelated to this ticket.

@drunken-monkey 100% you’re right, apologies. I was meant to undo the changes but totally forgot. My bad.

I arrived at this issue following the related ones and just wanted to prove something (which I did) in the related issues.

I’ll undo my commits Monday first thing (away from computer right now).

My changes are now reverted.

#3380219-2: Rendering is not changing the current content and string translation language → is a duplicate that contains a patch with a different approach, not needing a new service class (which I’d count as a big plus). Please try it out and see whether this doesn’t also resolve this problem for you.

In either case, though, we still need a regression test for this.

I created a new branch with the patch from 🐛 Rendering is not changing the current content and string translation language Closed: duplicate that doesn't create a new service. I haven't been able to figure out how to write a test for it though.

bgreco → changed the visibility of the branch 3035977-change-language-existing-services to hidden.

After some additional testing, I've found that the approach in this issue (creating a new language negotiator) works better than the approach from 🐛 Rendering is not changing the current content and string translation language Closed: duplicate .

The patch from the other issue fixes config and string translations, but entity references are still rendered in the request language. (Specifically - in layout builder, non-translatable custom blocks that reference translatable entities.) The branch from this issue is more complete and fixes all three - config, string, and entity translations.

Uploading a static patch of the MR:

Re-based MR and uploading a static patch.