I've encountered an issue whereby opening a Clojure project completely locks up Intellij. I have to force quit and re-open my session.
This has happened to me about 5 times now.
IntelliJ IDEA 2021.2.2 (Ultimate Edition)
Build #IU-212.5284.40, built on September 14, 2021
Licensed to Chris Lowe
Subscription is active until December 4, 2021.
Runtime version: 11.0.12+7-b1504.28 x86_64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
GC: ParNew, ConcurrentMarkSweep
Non-Bundled Plugins: name.kropp.intellij.makefile (212.4746.52), izhangzhihao.rainbow.brackets (6.21), com.intellij.plugins.html.instantEditing (212.4746.57), com.cursiveclojure.cursive (1.11.0-2021.2), com.intellij.lang.jsgraphql (3.0.0)