Hey! @audrow is actually in the process of putting together a sync and a patch release for Humble - Humble release versions by audrow · Pull Request #1662 · ros2/ros2)
Over the last month, we have landed the migration of Windows to pixi dependencies as well as updated the buildfarm to 24.04, which has caused some delays in getting syncs out. Sorry for the troubles, but we should be back on schedule now.
Edit, this is probably the better link, the discourse announcement: Preparing for Humble sync and patch release 2025-03-31 - Packaging and Release Management / Humble - ROS Discourse