Version 1.29 introduced widescreen support and balance changes exclusively for the PTR (Public Test Realm) of what would become Reforged . It was never a standalone downloadable patch with a unique URL like a “39-link.”
: Game lobbies were revised to support up to 24 players, accompanied by 12 new team colors including Maroon, Navy, Turquoise, and Lavender. warcraft 3 patch 129 download 39link39 exclusive
To run 1.29 specifically, you must use a and avoid connecting to official Battle.net servers, which will trigger an auto-update to Reforged. Where to Download (Solid Sources) Version 1