Computer Use has an undocumented hard requirement on macOS 26.0

[lattwood]

What issue are you seeing?

ASI found [dyld] (sensitive) 'Symbol not found: _swift_task_addPriorityEscalationHandler
  Referenced from: <859C01F7-4D25-3CBF-892D-915458DAD00E> /Users/logan/.codex/computer-use/Codex Computer Use.app/Contents/MacOS/SkyComputerUseService
  Expected in:     <15F5D0D7-4B7C-3662-8115-861E1DE91826> /usr/lib/swift/libswift_Concurrency.dylib'

And as a result Codex Computer Use doesn't get to use the computer.

What steps can reproduce the bug?

• Have macOS 15 installed.
• Have Codex Desktop App installed.
• Open Console.app, put _swift_task_addPriorityEscalationHandler in the search box, hit Start and open Codex.

The search term is because a LOT of stuff would match for just Codex.

What is the expected behavior?

Uhhh, it shouldn't crash? Heh.

Additional information

I mean, y'all support Intel Macs... :D

[weswinder]

just ran into this as well. brutal because the previous version worked and now i can't downgrade...

[pattobrien]

just ran into this as well. brutal because the previous version worked and now i can't downgrade...

previous version of what? codex app?

[weswinder]

just ran into this as well. brutal because the previous version worked and now i can't downgrade...

previous version of what? codex app?

yes the previous version of the codex app worked perfectly with computer use on macOS 15

[pattobrien]

hmm in that case it'd probably be helpful to include our failing versions here; i'm experiencing with:

Codex v 26.513.20950 (2816)

will try to install a previous version to see if I can get around the issue.

[weswinder]

@pattobrien @lattwood i had codex dig around and look for a downgrade path. this is the download link to the previous codex it found https://persistent.oaistatic.com/codex-app-prod/Codex-darwin-arm64-26.506.31421.zip

i just unzipped it and copied this version into my apps folder and overwrote the new one

computer use is working again

obvi don't trust random links, but i double checked the link from the openai codex download site and the domain name/url match up, so seemed like the right approach to downgrade for now

[weswinder]

also worth noting. you'll need to disable autoupdates or else it will keep switching to the new version

[pattobrien]

also worth noting. you'll need to disable autoupdates or else it will keep switching to the new version

any luck with disabling auto updates? I haven't had luck doing so.

[agjones]

also worth noting. you'll need to disable autoupdates or else it will keep switching to the new version

any luck with disabling auto updates? I haven't had luck doing so.

this has worked for me so far:

defaults write com.openai.codex SUEnableAutomaticChecks -bool false
defaults write com.openai.codex SUAutomaticallyUpdate -bool false

[weswinder]

also worth noting. you'll need to disable autoupdates or else it will keep switching to the new version

any luck with disabling auto updates? I haven't had luck doing so.

this has worked for me so far:

defaults write com.openai.codex SUEnableAutomaticChecks -bool false
defaults write com.openai.codex SUAutomaticallyUpdate -bool false

nah that's not enough on it's own

had codex figure this out for me as well. seems like the auto updates happen inside the app javascript instead of on the system.

also need to set a env flag to disable in app sparkle updates

launchctl setenv CODEX_SPARKLE_ENABLED false
launchctl getenv CODEX_SPARKLE_ENABLED
defaults write com.openai.codex SUEnableAutomaticChecks -bool false
defaults write com.openai.codex SUAutomaticallyUpdate -bool false

@pattobrien this should work. seemed to do the trick for me.

[pattobrien]

nah that's not enough on it's own

can confirm that this wasn't enough for me either

also need to set a env flag to disable in app sparkle updates

@weswinder you're a legend!! much easier than my (codex's) solution

[lattwood]

swiftlang/swift#88428

Swift compiler bug