“The edit page doesn’t remember when you switch to another tab.”? Are you sure?
Case 1: you open the General tab, edit and lock (i.e.) the Sort Title, switch to the Poster tab, choose another one and come back to the General tab: the Sort Title and the Lock STILL appears how you leave them before switching tab… but when you save changes, Poster and Sort Title save correctly (despite you’ve switched to another tab), but NOT the Lock (despite you’ve saved changes being in the right tab).
Case 2: you open the General tab, edit and lock (i.e.) the Sort Title, switch to the Poster tab, without edit anything… When you save changes, new Sort Title and locked Lock have been both correctly saved (despite you’ve switched to another tab).
Case 3: you open the General tab, switch directly to the Poster tab, choose another one, come back to the General tab and edit + lock (i.e.) the Sort Title… When you save changes, both the Poster and the new Sort Title save correctly (despite you’ve switched to another tab) but NOT the Lock (despite you’ve edit and saved it being in the right tab).
Case 4: you open the General tab, edit + lock (i.e.) the Sort Title, switch to the Poster tab, choose another one, switch to the Tags tab, edit + lock Writers, add to a Collection + lock it, switch to Background tab, choose another one and Save Changes… EVERYTHING save correctly (despite multiple switches between tabs) but NOT the locked Locks.
«Don’t need a 2nd save since changing posters automatically saves.»? Are you sure?
Case 1: I’ve tried what you’ve said but if I don’t Save Changes after choosing a new Poster, the Poster doesn’t change. [EDIT: Sorry, I’ve lost part of the conversation so I’ve misunderstood your statement… that said, there’s not an option to “manually lock” a Poster or a Background image anyway
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Case 2: I open the General tab, switch to Poster tab, choose another one, switch to Background tab and choose another one. Now, if I switch back to Poster tab, I see the OLD Poster selected (not the new one I’ve choosed) and if I switch back again to Background Tab, I see the OLD Background selected (not the new one I’ve choosed)… Despite all of that, if I Save Changes, the NEW Poster and Background will be saved.
It’s obvious that editing one thing at a time is the safest (and boring) procedure… but the reality is that EVERYTHING else is saved correctly regardless of any switch between the tabs: the problem seems to be related ONLY to those blessed locks and ONLY when also a new Poster and/or a new Background image is selected.
PS: sorry for my poor english