• Improved the warning message shown when the requested Python version is not the latest patch version. (#1749)
• Improved the error message shown when the requested Python patch version isn't available. (#1749)
• Improved the error message shown if there was a networking or server related error downloading Python. (#1749)
• Adjusted the curl options used when downloading Python to set a maximum download time of 120s to prevent hanging builds in the case of network issues. (#1749)
• Refactored the Python download step to avoid an unnecessary version check HEAD request to S3 prior to downloading Python or reusing a cached install. (#1749)
• Updated the runtime.txt deprecation warning to include a link to the deprecation changelog post. (#1747)
• Improved buildpack metrics for Python version selection. (#1749)
• Improved buildpack metrics for builds that fail. (#1746 and #1749)