Hi Andyrom75, that's a lot of issues. Thank you for being so observant. I won't have time in the immediate future (*), but of course I want to find out what causes these anomalies. For now, I opened a phabricator task at . Feel free to remind me in a few weeks time if I haven't taken this up yet. (*=let me add that I work roughly 1/3 FTE on average). Cheers,