Remove "experimental" notices from update APIs #1397

Job	Run time
build-lint-test (3.8, ubuntu-latest)	13m 52s
build-lint-test (3.8, ubuntu-latest)	13m 52s
build-lint-test (3.8, ubuntu-arm)	9m 8s
build-lint-test (3.8, ubuntu-arm)	9m 8s
build-lint-test (3.8, macos-intel)	13m 11s
build-lint-test (3.8, macos-intel)	13m 11s
build-lint-test (3.8, windows-latest)	15m 15s
build-lint-test (3.8, windows-latest)	15m 15s
build-lint-test (3.12, ubuntu-latest)	13m 16s
build-lint-test (3.12, ubuntu-latest)	13m 16s
build-lint-test (3.12, ubuntu-arm)	9m 55s
build-lint-test (3.12, ubuntu-arm)	9m 55s
build-lint-test (3.12, macos-intel)	45m 47s
build-lint-test (3.12, macos-intel)	49m 50s
build-lint-test (3.12, macos-arm)	1h 6m 57s
build-lint-test (3.12, macos-arm)	6m 1s
build-lint-test (3.12, windows-latest)	26m 9s
build-lint-test (3.12, windows-latest)	13m 51s
features-tests / test	5m 26s
features-tests / test	5m 26s
	6h 8m 41s

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