[windows] build the toolchain with Python 3.11.9#88576
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charles-zablit wants to merge 1 commit intoswiftlang:mainfrom
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[windows] build the toolchain with Python 3.11.9#88576charles-zablit wants to merge 1 commit intoswiftlang:mainfrom
charles-zablit wants to merge 1 commit intoswiftlang:mainfrom
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charles-zablit
requested review from
JDevlieghere,
adrian-prantl,
compnerd and
speednoisemovement
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@swift-ci please test |
speednoisemovement
approved these changes
Apr 21, 2026
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@swift-ci please test windows |
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Is this going to be in sync with upstream? Upstream won't change release/21.x to python 3.11 right? I don't think that this should go in unless it is accompanied by a rebranch. |
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Update the Python version used to build the Swift toolchain from
3.10.1to3.11.9. As a consequence, Python3.11will be required to run lldb on Windows (instead of 3.10).This change should not have any impact on the code, upstream lldb uses Python 3.11 on Windows already.
Python 3.10 will be deprecated in October 2026. Since lldb needs Python at runtime, there is a risk lldb 6.4 on Windows will require a deprecated version of Python to run (depending on the release date of the toolchain).