10 merge requests!604Merge Delta changes from M16 master to M18 master,!600Merge Delta changes from M16 master to M18 master,!599Merge Delta changes from M16 to M18 master,!598Merged from M16,!522M14 cherrypick to m16 master,!425M14 Upgrade,!418M14 Upgrade,!417M14 upgrade,!335Update core lib azure version,!277Cherry-pick 'Upgrade Log4J version' into 'release/0.13'
