I am using Slack for Linux (Beta) 4.16 on Ubuntu 20.04 and experience very slow and sluggish typing sometimes (not always, hard to reproduce). I have 40GB of RAM and quite a powerful laptop, and it happens even when my CPU is barely working and I still have like 80% of RAM free.

Disabling the spell checker as some have suggested doesn't help. Does anybody else have this problem?

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