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iCloud.com shows ReferenceError when changing profile photo

Hi everyone,

I'm trying to update my Apple Account profile photo via iCloud Settings on the web, but the process fails with a pop-up stating "iCloud has stopped responding."

Problem Details & Diagnostic Log

  • Action: Uploading / changing Apple Account photo on [www.icloud.com/settings/](https://www.icloud.com/settings/)
  • App Name: cloudos2
  • Error Title: ReferenceError: Can't find variable: FileReader
  • Error Type: UNHANDLED_EXCEPTION
  • Browser: Safari 15 (macOS 10.15.7)
  • Build Info: 2640Build24__2640Build24__en-us

Relevant Stack Trace:

Plaintext


@https://www.icloud.com/system/icloud.com/2640Build24/en-us/main.js:12:1957782
Promise@[native code]
o@https://www.icloud.com/system/icloud.com/2640Build24/en-us/main.js:12:1957754
te@https://www.icloud.com/system/icloud.com/2640Build24/en-us/RootComponentRoute.js:12:59217

Note on Security Settings

I noticed that Lockdown Mode is currently enabled on my Safari browser.

Is this FileReader exception a known limitation when Lockdown Mode is active on iCloud web services? If so, is the recommended fix to temporarily disable Lockdown Mode for icloud.com or to change the photo directly from macOS System Settings instead?

Any insights or confirmation would be appreciated!

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