Every time I update my JetBrains IDEs, they obliterate my lovely, tool packed UI and replace it with what looks like a minimalistic iPad app.

I have to reenable a “Classic UI” plugin to fix it. This is annoying enough, but if they did something like the OP’s experience they’d lose a paying customer of 14 years overnight.

IDEs aren’t social media apps- they’re tools. Familiarity is not just important, it is VITAL.