Release channels bundle features of varying levels of
stability. Newer features may be introduced initially into less
stable release channels and can be automatically promoted into
more stable release channels.
Values:
RELEASE_CHANNEL_UNSPECIFIED (0):
Release channel is not specified.
CANARY (1):
The CANARY release channel contains the newest features,
which may be unstable and subject to unresolved issues with
no known workarounds. Services using the CANARY release
channel are not subject to any SLAs.
STABLE (2):
The STABLE release channel contains features that are
considered stable and have been validated for production
use.
