Platform: Apple TV HD / Apple TV 4K
Introduction and announcement; not a sales date.
Apple source ↗tvOS 13 was previewed on June 3, 2019, as a free autumn update for Apple TV HD and Apple TV 4K. Apple dates the final release to September 24. The Home screen could show full-screen video previews, putting app content on display before the app was opened.

Apple · tvOS 13 preview · 2019-06-03 · Apple · tvOS 13 security content
Control Center introduced fast user switching with individual Up Next lists and recommendations. Apple Music used profiles for personal playlists and added synchronized lyrics. This was not yet the broader separation of local and iCloud data that Apple would explain for adapted tvOS 14 apps.
Apple · tvOS 13 preview · 2019-06-03 · Apple Developer · Multiple users · WWDC20
Apple announced support for the Bluetooth Xbox Wireless Controller and PlayStation DualShock 4, alongside Apple Arcade for autumn. The announcement described Arcade as a family subscription without ads or extra purchases; it did not make every store game free or compatible with every controller.
Apple · tvOS 13 preview · 2019-06-03
New underwater screensavers were filmed with the BBC Natural History Unit. The TV app already combined channels and iTunes purchases or rentals, while Apple TV+ was still scheduled for autumn. Apple archives document updates through 13.4.8; the table selects milestones without inventing intermediate versions or treating document revisions as releases.
Apple · tvOS 13 preview · 2019-06-03 · Apple · Security updates archive · 2018-2019 · Apple · Security updates archive · 2020-2021
Selected releases, not a complete history. Dates follow Apple's release records, not the latest page edit. No builds are included.
ISO date: year-month-day.
Platform: Apple TV HD / Apple TV 4K
Introduction and announcement; not a sales date.
Apple source ↗Platform: Apple TV HD / Apple TV 4K
Release date recorded by Apple, not the document revision date.
Apple source ↗Platform: Apple TV HD / Apple TV 4K
Software update released according to Apple archive.
Apple source ↗Platform: Apple TV HD / Apple TV 4K
Software update released according to Apple archive.
Apple source ↗Platform: Apple TV HD / Apple TV 4K
Software update released according to Apple archive.
Apple source ↗Platform: Apple TV HD / Apple TV 4K
Software update released according to Apple archive.
Apple source ↗Platform: Apple TV HD / Apple TV 4K
Software update released according to Apple archive.
Apple source ↗Platform: Apple TV HD / Apple TV 4K
Software update released according to Apple archive.
Apple source ↗Platform: Apple TV HD / Apple TV 4K
Software update released according to Apple archive.
Apple source ↗