And DnD have several editions. And homebrewed DnD is still a DnD.
Sure, but BG3 is supposedly based on the latest edition, 5e. While I don't necessarily oppose taking rules from past editions or making homebrew rules (e.g., a bigger diversity in weapons, feats along with ASIs, free feat at level 1, BA potions [of healing], etc), each homebrew rule still should be a
good modification of the system. It should work with the general 5e system, not overshadow existing good mechanics, actually improve some previously meh-or-negative aspect of 5e, etc.
Removing the concentration limit would be an example of homebrew/using rules from past D&D editions, and is technically allowed without changing the game away from D&D. But wow would that drastically affect the balance of 5e and widen the power disparity between casters and martials, and generally be an all-around terrible idea (unless I guess you told all your players to play casters. But good luck balancing combats for such a party...)
