We've noticed, that size of our ipa started to vary from time to time. We've found that all the difference was in the LC_CODE_SIGNATURE command under the _LINKEDIT segment of binary. The main reason of that change was the different number of hash slots due to different value of page size: 4096 on macOS SEQUOIA and 16384 on macOS TAHOE. So the size of the final binary was dependent on the machine, it was produced on. I didn't find out any information on why the default page size changed on TAHOE. Apple’s codesign supports a --pagesize argument. For regular builds that setting can be passed via OTHER_CODE_SIGN_FLAGS=--pagesize 16384. But it seems that xcodebuild export ...` completely ignores it: i've tried to pass invalid size (not the power of two), and the export still succeded. I've also managed to get xcodebuild logs via log stream --style compact --predicate 'process == xcodebuild OR process == codesign' --level trace They have no occurrences of --pagesize: 2026-03-24 13:43:27.236 Df xcodebuild[9
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