07/04/2019
For those of you with the Garmin G5 attitude indicator or HSI, software 6.20 is now available.
Change History
Changes made from version 6.00 to 6.20:
Added outside air temperature and true airspeed display to PFD page
Added wind display to HSI page
Added display of selected course to HSI page, replacing groundspeed field
Added status message to indicate when an LRU software update is in progress
Added attitude diagnostic page
Added GFC600 ARINC 429 input and output formats
Added 'Airdata' ARINC 429 input format
Added additional expert-level autopilot gain configuration
Improved G500/TXI interface
Improved GPS data processing
Improved formatting of position fields in NMEA RS-232 output
Improved flight director VOR/LOC capture during post-installation ground test
Improved powerdown process
General improvements to system operation
Includes update to GSA 28 software version 4.40
Includes GAD 29 software version 3.10
Includes GMC 507 software version 2.80
Includes GMU 11 software version 2.00
https://www8.garmin.com/support/download_details.jsp?id=10741