Merge pull request #588 from Ravencentric/add-mode-x #1735

Job	Run time
Test slow test cases	52s
Test Python 3.8 on ubuntu-22.04	57s
Test on aarch64	11m 23s
Test Python 3.9 on ubuntu-22.04	2m 16s
Test Python 3.10 on ubuntu-22.04	1m 1s
Test Python 3.11 on ubuntu-22.04	58s
Test Python 3.12 on ubuntu-22.04	1m 4s
Test Python pypy-3.9 on ubuntu-22.04	2m 7s
Test Python 3.8 on windows-latest	2m 4s
Test Python 3.9 on windows-latest	3m 28s
Test Python 3.10 on windows-latest	2m 19s
Test Python 3.11 on windows-latest	2m 30s
Test Python 3.12 on windows-latest	2m 23s
Test Python 3.11 on macos-latest	1m 5s
finish parallel build	3s
	34m 30s

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