v2.9.1

Bugfixes

• Avoid browser storage being shared across clients when accessing via On Air (GHSA-v6jv-p6r8-j78w by @streamcfd, @rodja)
• Fix closing tag in ui.editor (#4148 by @Alyxion)

Documentation

• Only create subheading if we have class docs (#4126 by @rodja)

Dependency

• Bump mypy from 1.13.0 to 1.14.0 (#4130 by @dependabot)