Mozilla CEO Brendan Eich, whose support for California’s anti-gay marriage law Proposition 8 ignited a controversy for the Firefox maker, has resigned.

Mozilla announced the move in a blog post.

“Mozilla prides itself on being held to a different standard and, this past week, we didn’t live up to it,” Mitchell Baker, the executive chairwoman of Mozilla, wrote. “We know why people are hurt and angry, and they are right: It’s because we haven’t stayed true to ourselves.

“Brendan Eich has chosen to step down from his role as CEO. He’s made this decision for Mozilla and our community.”

Eich, who founded the programming language JavaScript and cofounded Mozilla in 1998, was named Mozilla’s new CEO on March 24. It was soon revealed that he provided financial backing for Prop 8, inciting calls for his resignation on social media, as well as a noteworthy protest from dating site OkCupid. Eich had defended the $1,000 donation in interviews, saying that his politics did not affect how he would perform as CEO.

Mozilla has not chosen a successor for Eich; Baker wrote that there would be new information on that front “next week.”

You can read the full announcement on Mozilla’s site here.

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