At WordCamp Canada 2025, Automattic CEO Matt Mullenweg called Tumblr his “biggest failure,” noting the challenge of maintaining the platform’s half a billion blogs while it remains unprofitable. Though plans to migrate Tumblr to WordPress infrastructure are on hold, Mullenweg said he hasn’t given up.
Source: https://techcrunch.com/2025/10/20/autom ... re-so-far/