Tried on Linux Mint 18.3 with latest master (0.92+devel (193c56f, 2018-02-22)), and used the rectangle corner radius field. The crash doesn't happen for me, it just goes back to 0.
Tried on Linux Mint 18.3 with latest master (0.92+devel (193c56f, 2018-02-22)), and used the rectangle corner radius field. The crash doesn't happen for me, it just goes back to 0.