Project generated from 2.44.1 could not be opened on Xcode 15.0.1: 'future Xcode project file format' error #1578

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1. tomsqrd commented on Oct 28, 2025

   

   tomsqrd

   on Oct 28, 2025

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   Had a similar issue, an xcodeproj command failed in the CI process because it didn't recognise version 77.

   I "fixed" the issue by putting a script in options.postGenCommand that hard-resets the object version like so:

   options:
       postGenCommand: ruby scripts/fixObjectVersion.rb
   

   and the script fixObjectVersion.rb:

   file_path = 'MY_PROJECT.xcodeproj/project.pbxproj'
   new_object_version = 60
   contents = File.read(file_path)
   contents.gsub!(/objectVersion = \d+;/, "objectVersion = #{new_object_version};")
   File.write(file_path, contents)
   

   This is quite hacky but it does mitigate the issue for now. I tried doing it using xcodeproj, but:

   • xcodeproj seems to have no setter for objectVersion
   • xcodeproj was the failure point in the CI process, so it would be strange if it could fix itself

   🚀React with 🚀1Reacted by paolo-marchetti
2. paolo-marchetti commented on Oct 29, 2025

   

   paolo-marchetti

   on Oct 29, 2025

   Author

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   Even simpler than the good @TomQDRS 's solution, I am using a simple sed command for the postGenCommand script:

   options:
     postGenCommand: sed -i.bak -E 's|objectVersion = [0-9]+|objectVersion = 60|' MY_PROJECT.xcodeproj/project.pbxproj
   

   that requires no additional script file.

   👍React with 👍1Reacted by tomsqrd

   🚀React with 🚀1Reacted by tomsqrd
3. anivaros commented on Nov 7, 2025

   

   anivaros

   on Nov 7, 2025

   Contributor

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   I've implemented the ability to select the Xcode project version in this PR, but it looks like @yonaskolb doesn't have time to review it😢
4. yonaskolb commented on Mar 5, 2026

   

   yonaskolb

   on Mar 5, 2026

   Owner

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   projectFormat support released in 2.45.0 Thanks @anivaros
5. yonaskolb

   closed this as completedon Mar 5, 2026
6. freebuff-web

   added a commit that references this issue on Jul 15, 2026

   fix(build): patch pbxproj format header for Xcode 15.4 compatibility

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   b345b4f
7. theminhnguyen

   added a commit that references this issue on Jul 19, 2026

   Fix: xcodegen-Projektformat auf CI-kompatiblen Wert zurücksetzen

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   e5b0a93
8. Hinsane5

   added a commit that references this issue on Jul 21, 2026

   Fix CI: pin generated project format to a version Xcode 15.4 can read

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   7831cc5
9. sakurameao

   added a commit that references this issue on Oct 10, 2026

   CI 修复：工程格式高于 runner 的 Xcode 能读的版本

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   9300d7b