The Enhanced Edition is stable, but some historical missions are notoriously unbalanced. On "The Rat" difficulty, you might face a rush within 90 seconds. A modest trainer usage (e.g., adding 2,000 gold at start) can level the playing field without removing the tactical fun.
For modern versions of the game, several reputable providers offer updated trainers that are compatible with the latest Steam and GOG patches (such as version 1.41). WeMod Stronghold HD Trainer stronghold hd enhanced edition trainer
While the Enhanced Edition is superior to the original, it introduced memory changes that broke older trainers. The Enhanced Edition is stable, but some historical