Make backstage console windows scrollable with a buffer

Fix various Windows client rendering bugs

Blank screen when connecting to Debian Guest through Access session

Increase maxQueryStringLength in web.config to accommodate large report queries

Windows XP/Server 2003 machines fail to connect as access guests

After rebooting a Guest via Backstage, upon reconnect the Host is placed into the Console session instead of Backstage

Windows clients aren't falling back to saved IP address when relay DNS requests fail

Windows guest client crashes on reinstall when toolbox item is left running in Backstage

Internal users aren't able to log in on instances with a lone external user source

`ExtensionContext.Current` can be null in async dynamic triggers

Internal users aren't able to log in on instances with a lone external user source

Reduce default guest client verification level to report-only

Provide option to only map default printer

Remove special handling for InvalidOneTimePasswordException

Introduce async extension component interfaces

Add relay client installer cache

Add activity tracing for when guest client verification fails

Display all errors and warnings in extensions that fail to load

Java guest client can still unnecessarily reconnect

Update role permissions when a session group is renamed

Relay service can occasionally hang while Stopping