I've had a Nokia 6.1 on Pie, apparently the worst-case scenario for this, for a few months. The third-party optimiser is running, and I haven't problems with Sl

I've had a Nokia 6.1 on Pie, apparently the worst-case scenario for this, for a few months. The third-party optimiser is running, and I haven't problems with Slack or Jabber clients. How are people reproducing this behaviour?