diff --git a/_posts/2026-08-10-25.0.1-release.md b/_posts/2026-08-10-25.0.1-release.md new file mode 100644 index 00000000000..c1ae9e840a7 --- /dev/null +++ b/_posts/2026-08-10-25.0.1-release.md @@ -0,0 +1,62 @@ +--- +layout: post +title: "Apache Arrow 25.0.1 Release" +date: "2026-08-10 00:00:00" +author: pmc +categories: [release] +--- + + + +The Apache Arrow team is pleased to announce the 25.0.1 release. +The 25.0.1 release is mostly a bugfix release that includes [**9 resolved issues**][1] +on [**10 distinct commits**][2] from [**6 distinct contributors**][2]. + +See the [Install Page](https://arrow.apache.org/install/) to +learn how to get the libraries for your platform. + +The release notes below are not exhaustive and only expose selected highlights +of the release. Many other bugfixes and improvements have been made: we refer +you to the [complete changelog][3]. + +## C++ notes + +* Fix possible Segfault on SVE128 unpack ([GH-50503](https://github.com/apache/arrow/issues/50503)), + ([GH-50605](https://github.com/apache/arrow/issues/50605)). +* Bump bundled mimalloc to fix possible Segfault with bundled mimalloc ([GH-50471](https://github.com/apache/arrow/issues/50471)), + ([GH-50428](https://github.com/apache/arrow/issues/50428)). + +## Python notes + +* Add performance improvement in order to solve Apache Spark's + performance regression on their switch from regular Python UDFs to + Arrow serialization by default ([GH-50326](https://github.com/apache/arrow/issues/50326)). +* Narrow the Feather deprecation added in 25.0.0 to legacy V1 only. + `pyarrow.feather` V2 reads and writes no longer warn, while V1 reads and + writes emit `DeprecationWarning` instead of `FutureWarning` ([GH-50808](https://github.com/apache/arrow/issues/50808)). + +## Other modules and languages + +No general changes were made to the other libraries or languages. + + +[1]: https://github.com/apache/arrow/milestone/76?closed=1 +[2]: {{ site.baseurl }}/release/25.0.1.html#contributors +[3]: {{ site.baseurl }}/release/25.0.1.html#changelog