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Python 3.10
Summary – Release highlights
New syntax features:
PEP 634, Structural Pattern Matching: Specification
PEP 635, Structural Pattern Matching: Motivation and Rationale
PEP 636, Structural Pattern Matching: Tutorial
bpo-12782, Parenthesized context managers are now officially allowed.
New features in the standard library:
PEP 618, Add Optional Length-Checking To zip.
Interpreter improvements:
PEP 626, Precise line numbers for debugging and other tools.
New typing features:
PEP 604, Allow writing union types as X | Y
PEP 613, Explicit Type Aliases
PEP 612, Parameter Specification Variables
Important deprecations, removals or restrictions:
PEP 644, Require OpenSSL 1.1.1 or newer
PEP 632, Deprecate distutils module.
PEP 623, Deprecate and prepare for the removal of the wstr member in PyUnicodeObject.
PEP 624, Remove Py_UNICODE encoder APIs
PEP 597, Add optional EncodingWarning
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