merge queue: embarking 0.11.x (f4c626e), #1921, #1923 and #1929 together #2786

Job	Run time
conformance	4m 2s
build (2_12, e2e)	3m 22s
build (2_13, mima)	1m 20s
build (2_12, mima)	1m 17s
build (2_12, test)	9m 42s
build (3, mima)	11s
build (2_13, e2e)	4m 4s
build (3, test)	9m 38s
build (2_12, examples_and_formatting)	2m 53s
build (2_13, test)	11m 51s
build (3, e2e)	4m 18s
build (3, scala3_compat_test)	10m 8s
build (2_13, scala3_compat_test)	12m 33s
ci-passed	3s
	1h 15m 22s

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