EDIT (1st February 2024): Firmware revision 01022024 is now available which fixes the HDZero Goggles sleep mode bug. See another thread HERE for details.

New HDZero firmware revision 13112023 was released earlier today. Details are below.

• HDZero Downloads: https://www.hd-zero.com/document
  
• HDZero GitHub Area: https://github.com/hd-zero
  

Release Notes

VTXs v1.5.0

• New targets:
  • HDZero Freestyle V2 VTX
    
• New features:
  • VTX menu add new item for stick command mode #161
    
  • Blue led will fast flash 2 times every second if dm6300 doesn't work #166
    
  • Tramp protocol support lowband #167
    
  • Support channel E1 and F1 #173
    
• Bug fixes:
  • Fix MSP-VTX set RF_POWER when P1MW on #148
    
  • Fix camera menu bug #149
    
  • Fix camera menu brightness item display #150
    
  • Fix MSP VTX lp mode #151
    
  • Check warning band and channel for msp vtx #157
    
  • Fix osd resolution wrong #159
    
  • Throttle must be in the mid when enter cam menu #160
    
  • fix iNav/Fettec pit/lp mode config invalid in vtx menu #162
    
  • Fix R2 frequency and RaceV3 build warnings #163
    
  • Optimize camera detection #164
    
  • Rename HDZ Freestyle to HDZ Freestyle V1 #168
    
  • Disable betaflight colored osd temporarily #175
    
  • Fix parse_vtx_band_and_channel #172
    

Goggle v9.3.0 (EDIT: This version contains a sleep mode bug. See post #2 in this thread for more details)

• Harmonize video file naming to avoid mismatch by @cruwaller in #301
  
• Added remaining popular font sizes. by @SumolX in #326
  
• OSD Clock Added by @SumolX in #331
  
• Add battery voltage calibration by @Master92 in #332
  
• OLED burnin and static image protection by @SumolX in #342
  
• Playback page operation is more smooth by @ligenxxxx in #343
  
• Remove dead loop after update goggle by @ligenxxxx in #347
  
• Optimize 1080p display by @ligenxxxx in #333
  
• Do not decompress source in windows system by @ligenxxxx in #350
  
• Let pages handle roller interaction by @Master92 in #339
  
• Notify user SD Card requires formatting by @SumolX in #349
  
• Update top fan slider when changing speed from video by @Master92 in #353
  
• Edid belongs to it66021 by @ligenxxxx in #358
  
• Fix for android devices to be able to maintain connection with goggles. by @SumolX in #362
  
• Add shortcut for entering sleep mode from video by @Master92 in #348
  
• Add missing whitespace by @Master92 in #361
  
• Support E1 and F1 channel by @ligenxxxx in #365
  
• ELRS backpack support E1 and F1 channel by @ligenxxxx in #370
  

Full Changelog: v9.2.0...v9.3.0

VRX 2/4 SMA

• 960x720P60(nano90 camera support it) display fixes.
  
• Support lowband. You need switch HDZero band item in VRX main menu.
  
• Support 540p60(nano90 camera support it). You need switch HDZero BW item in VRX main menu.
  

Event VRX

• Support lowband, E1 and F1.
  
• Supports 540P60. HDZero BW will switch automatically.
  

For anyone who installed the v9.3 firmware on their HDZero Goggles, be aware that there is a sleep mode bug that can cause them to go into sleep mode while in use. Details are in the post linked to below...

https://intofpv.com/t-psa-hdzero-goggles...p-mode-bug

EDIT (1st February 2024): Firmware revision 01022024 is now available which fixes the HDZero Goggles sleep mode bug. See another thread HERE for details.