The new WP-org plugin submission checker now restricts headers that allow updates from GitHub and other third-party sources! Here is the pull request introducing the change: https://github.com/WordPress/plugin-check/issues/669
The new WP-org plugin submission checker now restricts headers that allow updates from GitHub and other third-party sources! Here is the pull request introducing the change: https://github.com/WordPress/plugin-check/issues/669