- Gwent Update: Feb 6, 2017 Patch: Reinforced Ballista should no longer cause Out of Sync errors.
- Gwent Update: Jan 5, 2017 Patch: Playing 3 Reinforced Ballistas and Redanian Elites will no longer cause the servers to desynchronize.
- Gwent Update: Dec 19, 2016 Patch: Reinforced Siege Tower and Reinforced Ballista will now trigger their own abilities when promoted.
- Gwent Update: Dec 2, 2016 Patch: Reinforced Ballista strength changed from 4 to 6.
- See this subject on The Witcher wiki: Ballista (gwent card)