Merge branch 'topic/vadim/merge_handler_and_data-2' into 'master' #1412

Job	Run time
Build (ubuntu-latest, dev)	2m 39s
Build (ubuntu-latest, prod)	2m 36s
Build (ubuntu-latest, coverage)	2m 44s
Build (macos-latest, dev)	7m 7s
Build (macos-latest, prod)	6m 35s
Build (macos-latest, coverage)	7m 34s
Build (windows-latest, dev)	7m 18s
Build (windows-latest, prod)	7m 26s
Build (windows-latest, coverage)	7m 9s
	51m 8s

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