IceFrog has officially released DotA 6.69b, a targeted maintenance patch for the Warcraft III map. Based on my experience managing custom map files for competitive play, this release serves as a critical stability update. As IceFrog stated, "Just released a bugfix patch for 6.69." This indicates that the version focuses exclusively on resolving technical errors rather than introducing balance changes or new heroes. You can verify the specific technical adjustments in the official DotA 6.69b changelog.
DotA 6.69b Changelogs
Fixed a few bugs
UPDATE: For those tracking the evolution of the map, DotA 6.70 has been released. If your priority is tournament-grade stability rather than the absolute latest experimental build, I recommend using Dota 6.67c, which remains the most reliable version for consistent gameplay as of this writing.
DotA 6.69b Map Download Links
DotA v6.69b.w3x.zip