Merge pull request #2494 from naefjo/feature/online-learning-improvem… #535

# to view logs

Job	Run time
run_linter	29s
run_unit_tests (master, with-extras)	3m 28s
run_examples	7m 46s
run_unit_tests (master, no-extras)	1m 56s
run_unit_tests (stable, with-extras)	5m 25s
run_unit_tests (stable, no-extras)	1m 34s
	20m 38s

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