I reproduced this, and noticed that the stock Ubuntu version did not, so bisected to find the first bad commit is 9c27b1c6d140ca824a78654c1cb70a43a69b4ec6
Date: Sun May 26 18:48:13 2019 +0200 patch 8.1.1400: using global pointer for tab-local popups is clumsy Problem: Using global pointer for tab-local popups is clumsy. Solution: Use the pointer in tabpage_T. -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to vim_dev+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/vim_dev/c081390b-f5b2-47dc-bbf4-e67fe3fcf41f%40googlegroups.com.
