- .NET core 2.2 linux base images were flagged for security vulnerabilities and no updates available - move to .NET Core 2.1 base images with long time support, so ACR can auto update. - addressed the following CVE/DSA (list may not be complete): - DSA4685-1, DLA2290-1, DSA4646-1, DSA4633-1, DSA4666-1, DLA2295-1 - CVE-2020-3810, CVE-2019-5188, CVE-2020-10531, CVE-2019-5436, CVE-2019-5481, CVE-2019-5482, CVE-2020-12243, CVE-2020-8177