Mu Li

Job PR-888-3 is done. Docs are uploaded to http://gluon-vision-staging.s3-website-us-west-2.amazonaws.com/PR-888/3/index.html Code coverage of this PR:  vs. Master: 

Job PR-888-4 is done. Docs are uploaded to http://gluon-vision-staging.s3-website-us-west-2.amazonaws.com/PR-888/4/index.html Code coverage of this PR:  vs. Master: 

looks like there are still issues with scipy and numpy, when i'm trying to install `--pre` on m1 mac ```bash error: Command "clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -fwrapv -O2 -Wall...

Confirm successfully installed autogluon v0.4 on M1 mac by ```bash conda create --name py39 python=3.9 conda activate py39 pip install autogluon ``` Though in the first trial I got an...

one update for M1 mac with macOS Big Sur. I had issues to install because it cannot compile `scipy` and `numpy`, though it worked on another m1 mac with macOS...

@astonzhang we need to check if there are two gpus to use x_shards[0] and x_shards[1]

Job d2l-en/PR-1955/2 is complete. Check the results at http://preview.d2l.ai/d2l-en/PR-1955/

Job d2l-en/PR-1955/3 is complete. Check the results at http://preview.d2l.ai/d2l-en/PR-1955/

Job d2l-en/PR-1955/4 is complete. Check the results at http://preview.d2l.ai/d2l-en/PR-1955/

you can change the _build/rst/conf.py manually to add support for Arabic, see http://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-internationalization the pdf is built with xelatex, it should support Arabic as well