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Python 3.15 Default Encoding Shift: Impact on Legacy Systems
Python 3.15 now defaults to UTF-8, potentially breaking legacy integrations that rely on cp1251 encoding for file operations.
November 11, 2026, 08:46 AM·Хабр

Python 3.15 now defaults to UTF-8, potentially breaking legacy integrations that rely on cp1251 encoding for file operations.
