Added comments for newly-added functionality #14394

Job	Run time
Core running from build / Core running from build / Windows	3m 26s
Core running from build / Core running from build / Linux	2m 15s
Core running from src / Core running from src / Linux	1m 58s
Core running from src / Core running from src / Windows	3m 56s
Core running from build / Core running from build / MacOS	2m 23s
Core running from src / Core running from src / MacOS	2m 43s
Gutenberg running from build / Gutenberg running from build / Linux	8m 47s
Gutenberg running from src / Gutenberg running from src / Linux	8m 38s
Gutenberg running from build / Gutenberg running from build / Windows	12m 35s
Gutenberg running from src / Gutenberg running from src / Windows	11m 29s
Gutenberg running from build / Gutenberg running from build / MacOS	16m 45s
Gutenberg running from src / Gutenberg running from src / MacOS	10m 17s
Slack Notifications	0s
Failed workflow tasks	0s
	1h 25m 12s

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