v4.3.0

What's Changed

• fix: ScopeView honours HiddenAccessLevels in its access-level selector by @poxet in #350
• feat: group scopes by a host-defined area by @poxet in #352
• fix: private and personal API keys authenticate again in Blazor hosts by @poxet in #353
• fix: a team cannot end up without an owner when member actions overlap by @poxet in #354
• fix: Slack notifications name the team, not its key by @poxet in #355
• feat: paging summary on the users, teams and directory-only grids by @poxet in #356
• feat: RichTextEditor can offer a text style picker with paragraph, heading and subheading by @poxet in #358
• feat: a notice can be required, so neither a user nor a team default turns it off by @poxet in #357
• fix: background services end quietly when the host is stopped or torn down by @poxet in #360
• feat: ISupportMailboxHealth checks the support mailboxes for a host's health endpoint by @poxet in #361
• feat: an administrator can set a user's email address by @poxet in #362
• feat: TeamMailUpdatedEventArgs.AffectsPostmaster tells a host which mail changes to relay to the postmaster's readers by @poxet in #363
• test: pin who may be talked to when help is asked for, and document SupportCasesView.Offered by @poxet in #364
• docs: correct what the support and notification articles say is not built yet by @poxet in #365
• feat: the users list can be filtered by how users sign in by @poxet in #366
• feat: a mail log for staff of every mail sent or attempted, with the team on each mail that has one by @poxet in #367
• feat: a mail the queue refuses is recorded in the mail log as well as thrown by @poxet in #368
• test: internal services are guarded outside components and providers too by @poxet in #369
• chore: remove the startup check for the retired assign-owner scope by @poxet in #370
• chore: no raw NUL byte in source, and a test that keeps it out by @poxet in #371
• fix: audit log timestamps show the time itself; directory service docs match its contents by @poxet in #372
• docs: the mail log does not promise support answers by @poxet in #374

Full Changelog: 4.2.0...4.3.0