It's not working for me anymore, after upgrade to 139. chrome://policy/ shows policy status error: Policy name Policy value Source

It's not working for me anymore, after upgrade to 139. chrome://policy/ shows policy status error: Policy name Policy value Source Applies to Level Status ExtensionManifestV2Availability 2 Platform Machine Mandatory Error Value 2 Error Unknown policy. Update: Add these options to the chrome executable to make it work again: --enable-features=AllowLegacyMV2Extensions,UnexpireFlagsM136,UnexpireFlagsM137 --disable-features=ExtensionManifestV2Unsupported Actually, these are enough: --enable-features=AllowLegacyMV2Extensions --disable-features=ExtensionManifestV2Unsupported