These changes are available in the alpha branch now. Note that they should also be rolled into the beta and release branches in the near future, if you would prefer to wait for a more stable build.
Grassland exploration scene
Add river sound effects
Fix tree collision issues
Adjust dynamic tree color swatches slightly
Add flowers to vegetation spawn pool
Exploration
Add help text in controls popup for reloading a firearm ('R')
Update inventory UI headers and sub-headers a bit
Fix items in the nearby/loose items tile grid being moved into party inventory when leaving an exploration scene as this was not intended. This also helps to resolve an issue with a related achievement firing incorrectly