xnumad

This will probably also properly apply the language to notifications (they're currently still in system language despite "Force English app language") 👍

Apparently this issue is has always been present in 4.19 support (adding commit: https://github.com/seemoo-lab/nexmon/commit/a3e9edc03be2f08f0f1a2dc54b877b52240e4ea4#diff-7848ec1ce549431bf27f3b7f8fa2e5e59e7ab14c708dcd33868559ad8debf91aR39) Workaround: Downgrade kernel

@thomerc1 See #535

> Now some tests are failing, is this intended? No, but turns out they test in a wrong way. :D 🤯 Opened #20377

Thanks for the heads up. The erroneous test (https://github.com/RIOT-OS/RIOT/issues/20377) is already fixed in master. Therefore I rebased.

Squashed your suggested change.

Squashed

Squashed a typo

Rebased, meaning PR can now be merged since test does not fail anymore since the code being tested was fixed (through merge of #20329)

Force push: Modified commit: Adjusted for changes meanwhile made to master (via #20329)