If I have “Expand watchlist to show all changes, not just the most recent” unselected in my preferences and click on “Hide bots” on my watchlist, pages where the last edit is by a bot are not shown, even if there are non-bot edits that should make it show on my watchlist.

E.g. if the most recent edits to a page are:

24 April 2010 18:00 SomeBot
24 April 2010 12:00 Non-bot user

then with “Hide bots” off, I see correctly the edit by SomeBot, but with that option on, I should see the edit by Non-bot user, but instead the page doesn't show up in the watchlist at all.

Version: 1.16.x
Severity: normal
URL: http://en.wikipedia.org/wiki/Help_talk:Watching_pages#Bug_in_hide_bot_edits