Identifying standard library APIs removed in Python 3.15 from your code using AST—502 public name differences and a comparison with ruff, pyupgrade, and ver…

Python 3.15.0 was released on October 9, 2026. The "Removed" section of the official "What's New in Python 3.15" document ...

Old C code fails when ubuntu-latest becomes 26.04—Measuring GCC 15's C23 default in Docker (from 10/19)

Using the same C code and a small project, I verified how to identify and fix code that fails in ubuntu:26.04 (gcc 15.2.0) ...