I get the following error when I run the AppImage on Ubuntu 20.04:
debugger invoked on a CFFI:LOAD-FOREIGN-LIBRARY-ERROR in thread #<THREAD "main thread" RUNNING {1005F48103}>: Unable to load foreign library (LIBSKIA.CLAWED.SO-559). Error opening shared object "/tmp/.mount_notalo20M8zc/usr/lib/libskia.clawed.so": libOpenGL.so.0: cannot open shared object file: No such file or directory. Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL. restarts (invokable by number or by possibly-abbreviated name): 0: [RETRY ] Try loading the foreign library again. 1: [USE-VALUE] Use another library instead. 2: [ABORT ] Exit from the current thread. (CFFI::FL-ERROR "Unable to load foreign library (~A).~% ~A" #:LIBSKIA.CLAWED.SO-559 "Error opening shared object \"/tmp/.mount_notalo20M8zc/usr/lib/libskia.clawed.so\": libOpenGL.so.0: cannot open shared object file: No such file or directory.") error finding frame source: Bogus form-number: the source file has probably changed too much to cope with. source: NIL 0]