Apache MXNet (incubating) 1.9.1 is a maintenance release incorporating important bug fixes and performance improvements. All users of Apache MXNet (incubating) 1.9.0 are advised to upgrade. You can install Apache MXNet (incubating) 1.9.1 at the usual place. Please review these Release Notes to learn the bug fixes.

Bug-fixes

• Upgrade numpy to <1.20.0 to avoid security vulnerabilities affecting numpy<1.19.1 (#20940)

• quantized elemwise mul changed out type to float (#20926)

• Avoid modifying loaded library map while iterating in lib_close() (#20941) (#20944)

• Fixed issue with batchnorm on even number of channels (#20927)

• Assign attributes of transformer operators (#20902)

• Fix reuse of primitives for MKLDNN-AArch64. Fixes #20265. (#20482) (#20921)

• identity fuse (#20884)

• Fix the regular expression in RTC code (#20810) (#20840)

• Port changes from master to make CPP package properly build when large tensor support is enabled. (#20768) (#20841)

• Port #20759 from v1.x (#20815)

• Port BRGEMM (#20910)

• Port #20889 from v1.x (#20923)

Submodule

• Upgrade oneDNN to the top of rls-v2.4 branch (#20994)

CI/CD

• Fix aarch64 cd pipeline (#20783)
• Fix CD for pypi wheel version (#20782)
• Port #20903 from master. (#20918) (#20920)
• Fix pip installation in containers (#20864)
• Update libcudnn and libnccl to the same version used in NVidia's docker container for cuda 10.2 and 11.2, and update repo where we pull the packages from. (#20808)

Website

• Fix css for Apache links, add to Python docs. (#20995)
• Update website footer to include required Apache links (#20993)
• Move trusted-by section from main page to a new page (#20788) (#20798)
• Fix broken download link, reformat download page to make links more clear. (#20794)
• Fix static website build (#19906) (#20791)
• Fix broken website for master version (#19945) (#20789)
• Update website for v1.9.x branch. (#20786)

Perl

• Updates mapping between PDL and MX types (#20852)