StackExchange moderators are protesting a policy that prevents moderators from enforcing community policies against AI-generated content on their sites. This policy was imposed by the company without any feedback, and has been maintained despite opposition and offered alternatives.

An open letter is available to read and sign at: https://openletter.mousetail.nl/

Other reading:

https://meta.stackexchange.com/questions/389811/moderation-strike-stack-overflow-inc-cannot-consistently-ignore-mistreat-an

https://meta.stackoverflow.com/questions/424979/what-has-happened-to-lead-moderators-to-consider-striking