Merge branch 'rel/2.8.4' into 'v2.8'

Rel/2.8.4

See merge request fsl/fslpy!204
3 jobs for 2.8.4 in 3 minutes and 37 seconds
latest
Status Name Job ID Coverage
  Build
passed build-pypi-dist #24521
docker

00:00:55

 
  Deploy
passed deploy-pypi #24522
docker manual

00:02:42

manual deploy-zenodo #24523
docker allowed to fail manual