Python 3.11.0a4, the fourth alpha version of Python 3.11, is now out.
During the alpha phase, features may be added with each release until the beta phase (2022-05-06). If necessary, features can also be modified or removed until the candidate stage (2022-08-01). Please keep in mind that this is a preview release and not recommended for production use.
Python 3.11.0 major changes PEP 657 - Introduce fine-grained Error Locations in error message reporting PEP 654 - PEP 654 - Exception Groups and except*Faster Cpython Project has seen some encouraging results: compared to 3.10.0, This version of CPython 3.11 is about 19% faster on the geometric mean of the PyPerformance benchmark (Hey, fellow core developer, if a feature you find important is missing from this list, let Pablo know.)
This version of CPython 3.11 is about 19% faster on the geometric mean of the PyPerformance benchmark (Hey, fellow core developer, if a feature you find important is missing from this list, let Pablo know.)
这个版本的 CPython 3.11 在 PyPerformance 基准的几何平均值上快了大约 19%（嘿，核心开发人员，如果这个列表中缺少您认为重要的功能，请告诉 Pablo。）
This version of CPython 3.11 is ~19% faster on the geometric mean of the PyPerformance benchmark (Hey, fellow core developer, if a feature you find important is missing from this list, let Pablo know.)
这个版本的 CPython 3.11 在 PyPerformance 基准的几何平均值上快了约 19%（嘿，核心开发人员，如果这个列表中缺少您认为重要的功能，请告诉 Pablo。）
The next version will be 3.11.0a5, tentatively scheduled for 2022-02-02 update.
Python 3.11.0a4，即 Python 3.11 第四个 alpha 版本目前已发布。
在 alpha 阶段，每个版本可能都会添加功能，直到进入 beta 阶段 (2022-05-06)。如有必要，也可以修改或删除特性，直到进入候选阶段 (2022-08-01)。请记住，这是一个预览版本，不建议在生产环境中使用。
Python 3.11.0 主要变化
PEP 657 – 在错误信息报告中引入细粒度的 Error Locations
PEP 654 – PEP 654 – Exception Groups and except*
Faster Cpython Project 已经出现了一些令人振奋的结果：与 3.10.0 相比，这个版本的 CPython 3.11 在 PyPerformance 基准的几何平均值上快了大约 19%
(Hey, fellow core developer, if a feature you find important is missing from this list, let Pablo know.)
下一个版本将是 3.11.0a5，暂定于 2022-02-02 更新。
