The last officially supported ROS 1 release is Noetic, which was released in 2020. According to Distributions - ROS Wiki, it will be supported until 2025. After that, there will be no new officially supported ROS 1 releases.
There has been some talk of a community-supported ROS 1 release (see ROS1 Obvious Orlitia - let's make it happen?), but I haven’t seen any concrete action.
ROS 2 is the future, and there will be releases of ROS 2 for the foreseeable future (ROS 2 Foxy is supported until 2023, Galactic will be supported until 2022, and H-Turtle will be supported until 2027. See Distributions — ROS 2 Documentation: Foxy documentation). I’m obviously biased, but I think any new projects should definitely be using ROS 2.