Gaia 10.3.2 for iOS improves compatibility with iOS 9, drops iOS6, and fixes a few bugs. Check out the release notes here, also included in the app when you get the update.
On updates.gaiagps.com, you can always check out release notes for the Gaia GPS for iOS, and Gaia GPS for Android.
You might notice that we post release notes for new app releases before they go live. Right now, the release notes site shows release notes for iOS v10.4 – we posted these for the benefit of beta testers, who help vet new releases before they get pushed to everyone.
