Environmental enhancements: locations, details & updates.
OPREPs (Operation Reports) are irregular updates about significant/specific changes being made on the Arma 3 Dev-Branch.
Untangling the web: improving animations systems in Arma 3.
Re-inventing the (steering) wheel: improving control over driving in Arma 3.
Soldier protection in Arma 3: recent changes, future progress and what might save your life.