GIMP crashing on Clipboard Operations (still?) - Lubuntu 19.04

GIMP version:

Note: bug reporters are expected to have verified the bug still exists either in the last stable version of GIMP or on updated development code (master branch).

Operating System:

Package: [flatpak? Installer from gimp.org? If another installer, tell us where from]

Description of the bug

Please describe your issue with details. Add screenshot or other files if needed.

Reproduction

Is the bug reproducible? [Always / Randomly / Happened only once ]

Reproduction steps:

1. Open an image in GIMP
2. Select an area on the image
3. Edit/Copy

…

Expected result: Copy to clipboard

Actual result: Program crashes