WordPress.org has published tentative release dates for this year, included below for planning purposes.
https://wordpress.org/about/roadmap/
Version Planned 6.8 April 2025 6.9 July 2025 7.0 November 2025
WP Cloud will update the “latest” version of WordPress on the platform shortly after a core release, with the “previous” pin trailing by 30 days to allow pinned sites to update any software they have and run the core update on their own schedule.