9/1/2026
Proto Cloud 1.21.0
- Adds voice model selection when creating or editing Personas
- Improves Persona management and details page
- Adds real-time Persona playback cost when creating or configuring Personas
- Adds ability to view Persona playback cost in Cloud
- Adds ability to test a Persona's system prompt
- Adds ability to customize the Persona's idle screen
- Adds ability to select a default Persona language
- Adds ability to configure the Persona conversation rolling window
- Adds ability to enable/disable Persona captions from the device
- Adds system prompt version history and management
- Adds ability to access prompt helper and system prompt guidance from Cloud
- Adds ability to access the custom LLM endpoint setup guide from Cloud
- Adds ability to enable/disable Persona language selection
- Adds ability to configure the request body builder for custom Persona LLMs
- Ensures custom Persona media files are purged after deleting a Persona or user account
- Prevents subscription auto-renewal when no device is associated with the subscription
- Resolves subscriptions remaining active in Cloud after being canceled
- Resolves the device list disappearing in assign/install page after an empty search
- Updates wording for Apps and Personas features
- Other fixes and improvements
ProtoOS BETA 1.21.1
- Adds ability to control the volume of USB audio devices on Proto Player
- Adds a user toggle to rotate the HDMI input signal
- Resolves module-suspend-on-idle load errors
- Resolves soundbar camera firmware update hangs
- Resolves system freezes when external HDMI playback is interrupted by Proto Apps
- Resolves blue screen issues when scheduled Proto App playback interrupts HDMI playback
- Resolves blue screen issues when a live beaming from Proto Studio is interrupted by content during the first seconds
- Resolves return feed not starting when a stream with connected Bluetooth audio interrupts other playback
- Resolves black screen issues when Live Beam interrupts playback
- Resolves the Lock/Settings icon overlapping Tap to Play on the Idle screen
- Resolves unable to update soundbar firmware error message