Push approval for a fix is requested by setting the jdk11u-fix-request label on the original bug. The maintainer maintainers will either approve by setting jdk11u-fix-yes or reject by setting jdk11u-fix-no. Outstanding approvals can be monitored here. If and only if the fix gets approved, it may be pushed to the jdk11u-dev repository. If a bug shows up in this JBS filter (login required) it may be pushed to jdk11u-dev.
When a a JDK 11 update release is already in ramp down (that is, it was brought to jdk11u already), a fix push approval can still be requested for consideration using the jdk11u-critical-request label. The maintainer . However, the maintainers will only consider fixes that Oracle have brought to their correspondent JDK11 update release, fixes for high priority issues or important test fixes at this point. The maintainers may approve with jdk11u-critical-yes, defer to jdk11u-dev or reject. Outstanding approvals for critical fixes can be monitored here. If and only if the fix gets approved with jdk11u-critical-yes, it may be pushed to the jdk11u repository.
Use the filters to check push eligibility...
JBS Filters for standard fix requests
JBS Filters for critical fix requests
JDK 11.0.3 timeline