Python¶
Python¶
Python Version History¶
| Version | Release Date | Notable Changes |
|---|---|---|
| 3.10 | October 2021 | - Structural Pattern Matching (match/case). - Precise types. - Parenthesized context managers. - Performance improvements. |
| 3.9 | October 2020 | - Dictionary merge (\|\|) and update (\|=) operators. - New parser based on PEG. - Time zone support in the standard library. |
| 3.8 | October 2019 | - Assignment expressions (Walrus Operator :=). - Positional-only parameters ( /). - F-strings support for self-documenting expressions and debugging. |
| 3.7 | June 2018 | - Data Classes. - AsyncIO enhancements. - Built-in breakpoint(). - Ordered dictionaries by default. |
| 3.6 | December 2016 | - Formatted string literals (F-strings). - Underscores in numeric literals. - Variable annotations. - Asynchronous generators and comprehensions. |
| 3.5 | September 2015 | - AsyncIO (async/await) becomes part of the language. - Matrix multiplication operator ( @). - Type hints (PEP 484). |
| 3.4 | March 2014 | - Enumerations (enum). - pathlib module. - Asynchronous I/O ( asyncio), provisional API. - Pip bundled with Python. |
| 3.3 | September 2012 | - yield from for generator delegation. - u string prefix reintroduced. - venv for creating virtual environments. |
| 3.2 | February 2011 | - Stable ABI (Application Binary Interface). - Concurrent futures library. - argparse module for command-line parsing. |
| 3.1 | June 2009 | - An ordered dictionary type. - unittest2 features. |
| 3.0 | December 2008 | - Syntax changes, making it not backward compatible with Python 2.x. - print function. - New I/O library. - Removal of old-style classes. |
| 2.7 | July 2010 | - Last major version in the 2.x series. - Backported features from Python 3.x. - argparse module. - Improved modules and Unicode support. |
| 2.6 | October 2008 | - Transition version to help in migrating to 3.x. - str.format() method. - multiprocessing module. |
| 2.5 | September 2006 | - Conditional expressions. - Absolute and relative imports. - The with statement. |
| 2.4 | November 2004 | - Decorators for functions and methods. - Generator expressions. - set and frozenset types. |
| 2.3 | July 2003 | - enumerate() function. - datetime module. - sum() function. |
| 2.2 | December 2001 | - Introduced new-style classes. - Iterators and generators. - The super() function. |
| 2.1 | April 2001 | - Nested scopes. - Dynamic module attributes. |
| 2.0 | October 2000 | - List comprehensions. - Garbage collection of cycles. - Unicode support. |
| 1.6 | September 2000 | - Minor improvements and bug fixes. |
| 1.5 | December 1997 | - lambda, map(), filter(), and reduce(). - Keyword arguments. |
| 1.4 | October 1996 | - Keyword-only arguments. - Built-in support for complex numbers. |
| 1.3 | October 1995 | - Various small improvements and module additions. |
| 1.2 | April 1995 | - First appearance of the class statement. - New modules and functionality. |
| 1.1 | February 1994 | - Introduced modules system. |
| 1.0 | January 1994 | - Initial public release. |