You can check which version your Attendant is running by opening the mobile app, tapping on the hamburger menu and selecting “Sites.” From there, tap on your site from the list and then select the “About” tab. The current version of your controller will be displayed like this:

You can also check the version directly on The Attendant’s local display by tapping on the Settings icon on the left side of the screen.

If you would like your Attendant scheduled for an upgrade, please reach out and Contact Us.
Version 2.5.3
Release date: May 20, 2025
- POOL-3282 POOL-3275 The default Chemistry dosing procedures have been updated. The maximum default mixing time has been set to 30 minutes, and “Problem Dosing” alerts will reset each day at midnight.
- POOL-3239 Adds support for Black and Decker and Blue Torrent VSP pumps
- POOL-3259 Addressed an issue when using Jandy and Hayward water pumps with a “Power Port” relay.
- POOL-3266 Addressed an interfacing issue with certain gigabit ethernet routers/switches
- POOL-3278 Addressed a problem on startup that could be caused by an older Chemistry configuration
- POOL-3267 Addressed a flow service issue caused by configuring extraneous “Filter” devices in secondary flows, which resulted in reduced water pump speeds
- POOL-3276 Addressed a crash when attempting to turn on an Pressure Sensor configured on a secondary Attendant
- POOL-3248 Fixed an issue where Autofill devices would turn off immediately when in Installer Mode without being previously configured
- POOL-3284 Addressed an issue with certain Goldline salt chlorinators where the “Flow” status would be reported incorrectly
- POOL-3287 Chemistry alerts will be automatically removed when alerting is disabled
- Other stability and performance improvements POOL-2598 POOL-3225 POOL-3226 POOL-3260 POOL-3262 POOL-3063 POOL-3214
Version 2.4.9
Release date: April 27, 2026
- POOL-3270 Addresses a compatibility issue with the firmware in new Moov 3HP pumps. 3HP pumps are not currently listed in the model list currently – use a currently listed model until one is available.
Version 2.4.8
Release date: April 10, 2026
- POOL-3217 Added support for Madimack Inverchlor Salt Chlorine Generator
- POOL-3237 AquaCal heat pumps and Pentair devices can now be configured for use on the same bus port
- POOL-3129 Pentair devices and other Modbus (9600) devices can now be configured to use the same bus port
- POOL-3087 Added the ability to mark a cleaner or HVAC device “Winterized” and to set your preferred “Freeze Protect Mode”. This feature requires Mobile App version 1.5.8 or later.
- POOL-3250 Added additional improvements to the upgrade installation process
- POOL-3235 Fixed a problem with the One-Time Dosing function which prevented these events from running the correct amount of dosing/mixing time
- POOL-3230 Addressed an issue where Jandy water pumps would not be reported offline when a Jandy light driver was also connected to the same bus port
- POOL-3170 Fixed several alerts that could appear erroreously when a pool or spa was winterized
- POOL-3240 Removed the recently added ‘Too Many Alerts’ alert based on customer feedback
Version 2.4.7
Release date: April 3, 2026
- POOL-3236 Internal operational improvements for Attendant Mini controllers
Version 2.4.6
Release date: March 26, 2026
- POOL-3228, POOL-3233 Improvements to the upgrade installation process
Version 2.4.4
Release date: March 13, 2026
- POOL-3026, POOL-3219 Implemented major performance and usability features in the Local GUI
- POOL-3201 Implemented several under-the-hood performance improvements between Attendant controllers when interconnected with each other
- POOL-3203 Updated the communication protocol with Hayward-branded water pumps to prevent erroneous ‘Device not responding’ alerts
- POOL-3187 Addressed a few issues where wrong user name would be shown in Alerts and History when a scheduled event ended after it was turned on manually.
- POOL-3200 Addressed an issue that incorrectly allowed Infinite WaterColors lights to be synced with Spotify.
- POOL-3198 Added support for additional RS485 and 4-20mA pressure sensors
Version 2.4.3
Release date: February 17, 2026
- POOL-3182 Added support for the Aquacal Pool Pilot Digital DIG-220 Salt Chlorinator
- POOL-3159 Made some styling changes to the local GUI to help visibility and usage of controls and changing of settings
- POOL-3179 Improved system software performance and stability
Version 2.4.1
Release date: January 29, 2026
- POOL-3162 Addressed an issue where a future heating event (“Ready by”) for HVAC device configured in a flow bypass would not reach the target temperature on time.
- POOL-2910 Added support for single-relay-controlled 3-way Actuators.
- POOL-3140 Further performance improvements with the operation of Poolside RS485 and 4-20mA Pressure Sensors. Added a pressure limit alert.
- POOL-3161 Addressed an issue where certain pump states, like heater cooldown, would not appear in the mobile app.
- POOL-3167 Addressed an issue where a heater, in Emergency Heating mode during Freeze Protect, could short-cycle at times.
Version 2.4.0
Release date: January 20, 2026
- POOL-2617 This update includes improvements to how the Attendant reads and monitors water levels when using thermistor-style probes.
- POOL-2436 Addresses an issue where an Auto-off timer could not be set on Combined Controls.
- POOL-3160 Fixed an issue where Away Mode would still disable heater schedules, even if you didn’t check the box when setting Away Mode.
- POOL-3150 Addressed a couple of problems where a cancelled scheduled event would be re-enabled when exiting Freeze Protection, or if the Attendant controller was restarted.
- POOL-3151 Addressed a problem with the reading from a pH probe should a configured water thermistor be malfunctioning. (The pH reading would not change if the temperature was too low.)
Version 2.3.22
Release date: January 13, 2026
- Addresses a minor catalog issue with Pressure Sensor devices.
Version 2.3.21
Release date: January 12, 2026
- POOL-3140 Added support for RS485 and 4-20mA Pressure Sensors
- POOL-3103 Added the ability to ‘winterize’ a light device. Requires Mobile app version 1.5.6 or later.
- POOL-3095 Implemented a “Too Many Alerts” error that will be displayed in-app when a device creates more than 5 alerts in a day (in certain categories). Any existing device alerts will go away and change to this new alert for 24 hours.
- POOL-3019 Implemented a new Low Disk Space alert should critical partition space become too full for proper Attendant operation.
- POOL-3131 Updated the Flow Check logic to prevent it from being run if other water features are already turned on.
- POOL-3136 Addressed an issue where 4-20mA devices would stop responding to the Attendant if the internal Chemistry board was restarted.
- POOL-3154 Addressed an issue with controlling Salt Cells when only a Free or Total Chlorine sensor was also configured.
- POOL-3120 Addressed several minor visual and usability issues with the Local GUI
Older Releases
If you would like to take a look at our release notes for older, archived versions, follow this link.