How to get backtrace with debug symbols

[Nachlese]

Not two weeks ago a similar question has been asked:

Plasma 6: KWallet hangs and Dolphin SFTP fails — missing Secret Service backend?

Since most of the Manjaro packages come straight from Arch, this info here should be applicable: Debugging/Getting traces - ArchWiki Compiled AUR packages would need to be rebuilt with modified options (to include debug symbols and not be stripped).