Web IDE no longer highlighting changes in MRs
Summary
When viewing a MR in the Web IDE changes are no longer highlighted. Customer noted upon upgrade to 15.3.1 on their self hosted instance and I can replicate on gitlab.com
I've tested this in FF/Chrome/Safari on gitlab.com (Safari/chrome with a clear cache) and the issue presents.
This does not seem to occur on my personal aarch64 15.3.1 instance from quick testing
Steps to reproduce
- Head to any MR on a project
- Click the
Code
drop down and click onOpen in Web IDE
Example Project
Quick sample MR here
https://gitlab.com/gitlab-gold/simonstreet-test/webidemrdiff/-/merge_requests/1
What is the current bug behavior?
Changes are not highlighted in the Web IDE side by side diff view for MRs
What is the expected correct behavior?
Changes should be highlighted
Relevant logs and/or screenshots
Screenshot from above project showing lack of highlights:
Output of checks
This bug happens on GitLab.com
Results of GitLab environment info
Expand for output related to GitLab environment info
(For installations with omnibus-gitlab package run and paste the output of: `sudo gitlab-rake gitlab:env:info`) (For installations from source run and paste the output of: `sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production`)
Results of GitLab application Check
Expand for output related to the GitLab application check
(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:check SANITIZE=true
)(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true
)(we will only investigate if the tests are passing)