Release Summary 2026

Last updated: July 23, 2026

App Updates (2026)

This summary highlights Mysa app releases tagged to 2026, focused on expanding Central HVAC support, improving reliability, and enhancing the customer experience.

New Features

  • Central HVAC Support - Full setup, configuration, and heating/cooling controls for our new low-voltage thermostat (v4.10.1)

  • Configuration Code Finder - Added to pairing flow for easier Central HVAC setup (v4.11.0)

  • In-App Bug Reporting - Bug reporting with screenshot capture for faster troubleshooting (v4.12.1)

  • Network Diagnostics - Built-in connectivity troubleshooting tools (v4.12.1)

  • In-App Messaging - Targeted communications and tips delivered right in the app (v4.14)

  • Rebuilt DR Enrollment - Smoother, more reliable Demand Response sign-up experience (v4.14)

Improvements

  • LV thermostat fan control while in off mode (v4.14)

  • Improved delta/differential constraint messaging (v4.14)

  • MQTT connection reliability for large accounts — scoped per home (v4.14)

  • Enhanced Auto Mode display

  • WiFi pairing improvements

  • Better dark mode support

  • Performance optimizations

  • DR enrollment improvements (v4.10.2, v4.10.3)

Bug Fixes

  • Fixed false logout from transient network glitches (v4.14)

  • Fixed MQTT client creation errors (v4.14)

  • Fixed LV thermostat display issues for off/fan/auto modes (v4.14)

  • Fixed temperature offset and setpoint input issues (v4.14)

  • Fixed icons not displaying correctly in dark mode (v4.12.1)

  • Fixed energy cost display in French (v4.12.1)

  • General stability improvements

Latest 2026 App Release

  • Mysa App 4.17.0 - Included in the 2026 app release set.

Firmware Updates

Mysa for Central HVAC — FW v4.5.16 (Apr 2026)

  • Auxiliary Heat Staging feature

  • Adaptive Brightness feature

  • Fixed 0.5°C setpoint bug — half-degree increments now persist correctly