The whole promise of #containers and #snap is that applications just work in the sandbox. And then that:
/snap/obsidian/28/app/obsidian: /snap/core20/current/lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.33' not found (required by /lib/x86_64-linux-gnu/libcups.so.2)