The previewer did not load correctly. [Ref: SRE-2068]

If an event with many thousands of contacts included anonymized contacts and no specific list sort order was applied, the attendee list wouldn’t load for EventsAir users with a Data Administrator role. [It now sorts by ID by default in these circumstances.] [Ref: PE-2548]
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If a duplicate or shared contact record was deleted or merged, auto-login tokens and App PINs were incorrectly cleared. [REF: AE-2215]

Modern Theme only: if the minimum and maximum group size were both set to 1, the “I am not attending” checkbox in the Group component couldn’t be de-selected. [Ref: AE-2213]

The thank-you/success page content (shown after submitting a registration form/site) wasn’t automatically announced by screen readers. [Ref: AE-2166]
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Items set to "not visible" could still appear for contacts who already had the item; however changes and payments weren't recorded correctly. [Ref: AE-2214]
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If an interactive site contained an image component or part with no image uploaded, cloning the site didn't work correctly (site couldn't be edited or deleted). [Ref: AE-2216]

Audio from a host's live feed via YouTube was playing for attendees in the session even when it was supposed to be muted for everyone except "Available Attendees (Not in Sessions/Meetings)". [Ref: AE-2048]

When time zones were enabled, Travel bookings in reports and exports weren’t ordered correctly, because the sort order didn’t account for the departure time zone offset. [Ref: AE-2220]