Merge branch 'prepare-1.9' into 'master'

Prepare 1.9

See merge request !3
3 jobs for v1.9.0 in 3 minutes and 56 seconds (queued for 2 seconds)
latest
Status Name Job ID Coverage
  Build
passed build-linux #48972
linux

00:02:52

 
  Build Noarch
passed build-noarch #48973
conda

00:00:49

 
  Deploy
passed deploy-stable #48974
conda linux

00:00:15