Avatar_Gnd:39.44.18
Avatar_Sky:39.44.18
Avatar_Relay: 39.44.4
Moonlight:15.1.18
GM series gimbals: v3.8
Head Tracker: v2.2
39.44.18-2026.06
New Features
1.Added support for 720p50 and 1080p50 on Goggles X HDMI input.
2.Upgraded Goggles X HDMI chip firmware to support switching between 720p and 1080p.
Modifications / Optimizations
1.Fixed no .osd file was recorded in airunit DVR.
2.Optimized the display of the signal bar division mechanism.
3.Resolved the GUI showing "Choose a Channel" when frequency hopping is enabled.
4.Removed the behavior where Goggles X lights up a green LED for 1 second during the boot stage.
WARNING!!!
Goggles X from new batches manufactured since January 2025 contain new DDR memory(Same performance). DO NOT DOWNGRADE THE FIRMWARE BELOW 38.44.13! Permanent damage (bricking) will occur!
39.44.15-2026.03
New Features
1.Added support for Avatar GT2 air unit.
2.Added 2000mW_Auto option to address the issue of Signal oversaturation and low signal bars at close range (supported only by GT/GT2 air units).
3.Added Avatar VRX background image feature, supports custom replacement (name a 1920×1080 resolution JPG photo as "fpv_new_no_signal_bg_1920x1080", place it in the VRX SD card, and reboot).
4.Added Avatar auto channel feature.
Modifications / Optimizations
1.Fixed abnormal channel setting issue in high bitrate mode.
2.Optimized the issue where flight controller OSD does not refresh when signal is weak (requires both air unit and ground unit to be updated to the latest version; otherwise, OSD may fail to display).
3.Changed the ground unit single-cell voltage alarm threshold to 3.6V.
4.Fixed abnormal low-temperature display and false high-temperature alarm on Avatar Moonlight VTX below 0°C (requires both air unit and ground unit to be updated to the latest version; otherwise, abnormal temperature values may appear).
5.Fixed OSD interface lag issue when performing Stick Commands on the remote controller, as well as the overlapping horizontal line OSD display issue.
6.Fixed HDMI output incompatibility between Goggles X and Ascent VRX.
7.Updated OSD font library.
Known Issue
Moonlight recordings in version 39.44.15 do not support .osd files. This is expected to be fixed in the next version.
WARNING!!!
Goggles X from new batches manufactured since January 2025 contain new DDR memory(Same performance). DO NOT DOWNGRADE THE FIRMWARE BELOW 38.44.13! Permanent damage (bricking) will occur!
1. New Avatar GT comes with version 39.44.2 or later due to core component upgrades
2. Support for Head Tracking → Gimbal → Head Tracking Control Channel and Shortcut Key Settings on Goggles X and Goggles L
3. Fixed OSD flickering when signal strength is low
4. Improved connection stability by optimizing Avatar Repeater compatibility
5. Improved wording in some menu options
Bug Fix
1. General optimizations and fixes for known issues
Firmware 38.43.13 is also available HERE. This firmware is essentially the same as 38.43.12 and is provided to allow users who have purchased GogglesX from Jan 2025 to run firmware with matching versions as GogglesX with production date of January 2025 come with new DDR memory. If you own GogglesX from the Jan2025 batch please do not downgrade your firmware.

Ascent_Gnd:17.5.8
Ascent_Sky:17.5.8
V17.5.8-2026-05
New Features:
1.Added VRX-Uart function support to the menu, with new command functionality.
2.Added support for new flash types. Improvements\Changes: 1.Optimized frequency hopping performance.
3.Changed wireless standard to SRRC (3 frequency Channels). 3.Fixed the black screen issue at the beginning of video playback.
4.Optimized wireless throughput performance for fixed-wing mode.
5.Fixed the issue of false weak signal alarms when signal strength was good.
6.Adjusted the display of the frequency hopping button.
7.Optimized frame change performance and improved logic control for switching between different modes.
8.During ground station startup version verification, differences in the last digit of the version number will no longer trigger a pop-up prompt.
9.Fixed the inconsistency between the millisecond values in the video recording .srt file and those displayed on the main interface.
10.Fixed other known issues.
V16.5.7-2026-02
New Features:
1.Added support for Ascent VRX GND unit devices
2.Added 100FPS high-frame-rate mode for Ascent Lite Air unit (Need Gnd unit support)
3.Added power value logging in DVR .srt files
4.Added support for exFAT file
5.Added recording stop delay function to view flight data (Options:1-10 seconds)
6.Added scene mode (Options:low-latency or fixed-wing mode)
Improvements:
1.Optimized pairing logic to resolve low-probability pairing failures
2.Improved ground unit pairing logic to prioritize connecting the most recently paired air unit; air unit remains on public frequency during startup and pairing initialization
3.Fixed abnormal behavior when temperature values are negative
4.RF power values now stored at the Gnd unit.
5.Optimized system functionality and resolved known issues
