Hornady has posted the first wave of errata for their 9th edition manual.
The list is short for now, with fewer serious errors than the 7th and 8th editions had this early on. But, there's still plenty of time for more to show up...
Affected data:
.223 Rem -
(GMX data)
.223 Rem (Service Rifle) -
(GMX data)
7mm Rem Mag -
(IMR 7828 data)
.300 Whisper / AAC Blackout -
(Case dimensions and trim lengths)
.45-70 -
(FTX data)
Available here:
9th Edition Errata (pdf)