Freeze for release. #218

Job	Run time
plan	19s
build-local-artifacts (x86_64-apple-darwin)	17m 7s
build-local-artifacts (x86_64-unknown-linux-gnu)	3m 58s
build-local-artifacts (x86_64-pc-windows-msvc)	9m 13s
build-local-artifacts (aarch64-apple-darwin)	16m 33s
build-global-artifacts	0s
host	0s
announce	-1s
	47m 9s

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