Ok, I didn't find an exact match in the bugtracker so:http://bugs.freepascal.org/view.php?id=28789
Revision 48868: IDE still starts on the primary screen with predefined position and size not where it was placed previously. But luckily it doesn't jump around anymore on any interaction.
Ok, Mattias was quick but I had already fixed the fundamental reason which is a wrong default FileVersion. Please test with r49968.
@JuhaSupport for multiple screens is not very good. That is yet another issue
After much agony I do have the trunk installed and the componentlist is behaving almost as I want it.The last problem is that it doesn't appear until I press ctrl-alt-pIf I've saved the desktop I'd expect it to be there when I open Lazarus.
The last problem is that it doesn't appear until I press ctrl-alt-p
OK if it appears for you it must be me. I'll have another play.