Bug report #4424
Label orientation is limited in the left-to-right range
|Affected QGIS version:||master||Regression?:||No|
|Operating System:||Easy fix?:||No|
|Pull Request or Patch supplied:||No||Resolution:||wontfix|
|Crashes QGIS or corrupts data:||No||Copied to github as #:||14356|
Labels (new symbology, aka ABC) can't be forced to follow line orientation, specifically written upside-down when a line goes from right to left. This is sometimes wanted.
See also #3643#note-12
I'm not sure this is a bug or feature.