- Addressed DNS server vulnerability described in CVE-2020-1350.
Fixes rolled up from previous hotfix releases
- Changes that addressed cluster instability.
- Improved extraction reliability by addressing idempotent/file locking issues.
- Host update reliability improvements by addressing the image locking issues.
- Improved orchestrator resiliency for the low memory situations on ERCS VMs.
- Fixed "out of memory exception" during internal secret rotation.
- Enhanced self-healing of update and repair operations when hard disk specialization fails unexpectedly.
- Corrected the mechanism used to detect expired or nearly expired external endpoint certificates to only verify the currently bound certificate, instead of all certificates in the certificate store.
- Addressed an issue where internal secret rotation might not update the Network Controller credential, leading to a disconnect between the Azure Stack Hub hosts and Azure Stack Hub Network Controller.
- Addressed an issue that can lead to a memory leak on the Azure Consistent Storage VMs, affecting Object Based Storage performance/stability.
- Disabled NCHostAgentMonitor.
- Improved the admin portal experience to show the download progress of Azure Stack Hub update packages.
- Addressed an issue where setting the LicenseType of a VM to the value of None is not recognized as a valid LicenseType.
- Addressed a performance issue with an inefficient lookup of VM metadata by their network identity.
- Fixed an issue in which during an OEM or full update, certain infrastructure VMs can't be started after the host is re-imaged.
- Fixed a performance issue in the Storage Resource Provider that can impact overall control plane actions.
- Fixed an issue in which communications and data transfer to a resource behind an internal load balancer might be significantly impacted and subsequently time out.
- Fixed an issue in which during an update in certain conditions, the Disk Resource Provider may not correctly update.
- Addressed issues where NonHAVMs may not start after an update.