Backports from master
Contains patches from: !5868 (merged) !5827 (merged) !5740 (merged) !5916 (merged) !6060 (merged) !6057 (merged) !6058 (merged) !6077 (merged) (just the FindMySQL
fix) !6093 (merged)
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Contains patches from: !5868 (merged) !5827 (merged) !5740 (merged) !5916 (merged) !6060 (merged) !6057 (merged) !6058 (merged) !6077 (merged) (just the FindMySQL
fix) !6093 (merged)