The thumbnails in the left pane should refresh automatically as soon as you "quit" the object that was under modification.
Like for your other issue, a
reset of your OpenOffice user profile should help.
Please add
[Solved] at the beginning of the title in your
first post (top of the topic) with the
*EDIT button if your issue has been fixed.
Note: I move the topic to the Impress forum, I don't see how it is linked to macros.
LibreOffice 25.2 on Linux Mint Debian Edition (LMDE Faye) and 24.8 portable on Windows 11.