@chris.lamb I've installed the latest updates through the Software app (including some OS updates) and I'm still observing the same issue, in the kernel log the same line is added as the one already provided by @francois

Tried to check if the same will happen with Puremail (Thunderbird fork) but after installation can't even run it:

marek@librem:~$ puremail
XPCOMGlueLoad error for file /usr/lib/puremail/libxul.so:
libhunspell-1.4.so.0: cannot open shared object file: No such file or directory
Couldn't load XPCOM.