Mysa App 4.14

Last updated: May 20, 2026

Version: 4.14 · Released: April 2, 2026 · Type: App · Applies to: Mysa Smart Thermostat for Electric Baseboard Heaters V2, Mysa for Electric In-floor Heating, Mysa Smart Thermostat for Ductless Mini-Split Heat Pumps, Mysa Smart Thermostat

What's New

Demand Response (DR) Enrollment

  • Rebuilt the DR enrollment flow using a new webview for a smoother, more reliable sign-up experience
  • Customers are now informed that changes to their address will be saved

Low Voltage (LV) Thermostat

  • Fan speeds can now be controlled while the thermostat is in "off" mode
  • Improved delta/differential constraint messaging so users better understand limits when swing adjustments are available

Connectivity & Stability

  • Improved MQTT connection reliability for customers with large accounts (many devices) — connections are now scoped per home, reducing disconnects and timeouts

General

  • In-app messaging from Customer.io is now supported for targeted communications and tips

Bug Fixes

DR Enrollment

  • Fixed an issue where editing your address on the confirmation screen was ignored when searching for providers
  • Fixed address autocomplete on iOS swapping the house number with the zip code
  • Fixed the submit button turning an unexpected light blue after selecting province/country
  • Various other small DR enrollment bug fixes and text corrections

LV Thermostat

  • Fixed off and fan modes not displaying correctly on the control screen
  • Fixed the auto mode tile showing a stale heating/cooling state when the system wasn't actively running
  • Fixed the temperature offset dropdown not showing all available values
  • Fixed setpoint input handling when non-numeric values were entered

Connectivity

  • Fixed a bug where the app could falsely log users out due to a transient network glitch during session refresh
  • Fixed an "error creating MQTT client" issue that could prevent real-time updates from loading

General

  • Fixed an issue where a device name could be saved as blank
  • Fixed inconsistent error styling on zone tiles