Xojo 2021r2.1 IDE crash on Linux Mint Cinnamon 20.2

Xojo IDE suddenly just disappears. dmesg output:

[Thu Sep 2 12:33:34 2021] Xojo[90578]: segfault at 0 ip 0000000000000000 sp 00007ffeb955a0d8 error 14 in Xojo[200000+3ef000]
[Thu Sep 2 12:33:34 2021] Code: Bad RIP value.

Xojo 2021r2.1, Linux Mint 20.2 Cinnamon x64

starts to become unusable, crashing every few minutes out of blue…

this new dmesg output referencing XojoGUIFramework64:

[Thu Sep 2 14:29:38 2021] Xojo[94589]: segfault at 29 ip 00007ff14f9627e8 sp 00007fff27420930 error 4 in XojoGUIFramework64.so[7ff14f56f000+242d000]
[Thu Sep 2 14:29:38 2021] Code: 89 fb 45 84 f6 74 34 c6 43 50 01 48 8b 03 48 89 df ff 90 d0 00 00 00 84 c0 75 5e 48 8b bb 88 00 00 00 48 85 ff 74 06 48 8b 07 50 28 48 8b bb f8 00 00 00 be 01 00 00 00 eb 2d c6 43 50 00 48

Just curious, how much RAM do you have?

12 gb; this is with running xojo:

free
total used free shared buff/cache available
Mem: 12084328 3547092 567216 714604 7970020 7504464
Swap: 2097148 6144 2091004