Heads-up: .pyc magic number change in 3.14.0rc2

[hugovk (Hugo van Kemenade)]

This is now out, please test:

Python 3.14.0rc2 and 3.13.7 are go!

Not one but two expedited releases! Python 3.14.0rc2 It’s the final penultimate 3.14 release candidate! https://www.python.org/downloads/release/python-3140rc2/ Note: rc2 was originally planned for 2025-08-26, but we fixed a bug that required bumping the magic number stored in Python bytecode (.pyc) files. This means .pyc files created for rc1 cannot be used for rc2, and they’ll be recompiled. The ABI isn’t changing. Wheels built for rc1 should be fine …