#3726 feat: Support Python 3.15 Pull request opened by edgarrmondragon Blockers: • msgspec/msgspec#1152 • apache/arrow#48172 (scheduled for 26.0.0) Summary by Sourcery Add Python 3.15 support across package metadata, dependency resolution, version handling, and continuous integration. New Features: • Add Python 3.15 to the package’s supported versions and compatibility metadata. Enhancements: • Update version discovery tests and dependency resolution to support Python 3.15, including the required PyArrow nightly dependency source. CI: • Run the main test, documentation, dependency, contributor, package, and platform coverage against Python 3.15. • Align CodSpeed’s Python version with the repository’s configured version file and prevent pre-commit CI from running uv-lock. Tests: • Update supported-version tests to include Python 3.15. meltano/sdk