Python 3.15 enters final pre-release testing with beta 3

The Python development team has released Python 3.15.0 beta 3, marking the penultimate test version before the stable release. This beta phase focuses on identifying remaining bugs and performance issues in the upcoming interpreter version. The beta includes all planned features for Python 3.15, with development now shifting to stabilization. Developers can test the beta through the official Python download channels and report issues via Python's bug tracker.