Can't Open IntelliJ on MacOS Tahoe, Deadlocked

I've seen other community posts, but I'm having a bit of a unique issue. I'm getting a deadlock trying to start up. My company just forced us to boost our MacOS version, and I upgraded to the latest IntelliJ after that: idea-2025.3.1-aarch64 . After installing that, I try to start IntelliJ, and it loads up the 4 projects it had open last. At this point, it displays the little bar at the bottom to get a Thread dump, and CPU usage goes to 1000% pretty quickly.

I've already tried adding ~/Library/Application Support/JetBrains/IntelliJIdea2025.3/idea.vmoptions to override the default set (maybe IntelliJ isn't picking it up because I didn't have custom VM options prior?)

I also have MacOS Stage Manager disabled

Options file

-Xms128m

-Xmx2048m

-XX:JbrShrinkingGcMaxHeapFreeRatio=40

-XX:ReservedCodeCacheSize=512m

-XX:+HeapDumpOnOutOfMemoryError

-XX:-OmitStackTraceInFastThrow

-XX:CICompilerCount=2

-XX:+IgnoreUnrecognizedVMOptions

-XX:+UnlockDiagnosticVMOptions

-XX:TieredOldPercentage=100000

-ea

-Dsun.io.useCanonCaches=false

-Dsun.java2d.metal=false

-Djbr.catch.SIGABRT=true

-Djdk.http.auth.tunneling.disabledSchemes=""

-Djdk.attach.allowAttachSelf=true

-Djdk.module.illegalAccess.silent=true

-Djdk.nio.maxCachedBufferSize=2097152

-Djava.util.zip.use.nio.for.zip.file.access=true

-Dkotlinx.coroutines.debug=off

-Djava.nio.file.spi.DefaultFileSystemProvider=com.intellij.platform.core.nio.fs.MultiRoutingFileSystemProvider

-Dapple.awt.application.appearance=system

This didn't fix anything unfortunately. Anyone else seen this and know of a way to fix?

If someone from the IntelliJ team needs a thread dump, I can provide one. I just don't know where to open a ticket.

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1 comment
You may have run into below issue. Please update the IDE to 2025.3.1.1 and see how it goes.

https://youtrack.jetbrains.com/projects/IDEA/issues/IDEA-383438
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