Change Details

**Steps to reproduce** # Open watchlist # Notice bold unread revisions # Show a diff of one **Expected behavior** Until recently the revision lost its bold markup when showing the diff. **Current behavior** But now sometimes randomly does not mark the revision as visited. Even if I show the diff twice, remove cache, open the page itself, nothing. Only mark all revisions as visited button works. **Configuration** Firefox 66, Linux

**Steps to reproduce** # Open watchlist # Notice bold unread revisions # Show a diff of one **Expected behavior** Until recently the revision lost its bold markup in watchlist when showing the diff. **Current behavior** But now sometimes randomly does not mark the revision as visited. Even if I show the diff twice, remove cache, open the page itself, nothing. Only mark all revisions as visited button works. **Configuration** Firefox 66, Linux

**Steps to reproduce** # Open watchlist # Notice bold unread revisions # Show a diff of one **Expected behavior** Until recently the revision lost its bold markup in watchlist when showing the diff. **Current behavior** But now sometimes randomly does not mark the revision as visited. Even if I show the diff twice, remove cache, open the page itself, nothing. Only mark all revisions as visited button works. **Configuration** Firefox 66, Linux