Release v1.2.1

Major Updates

• DJ has been integrated in Ray's official Ecosystem and Example Gallery. Besides, our patch in DJ2.0 for the streaming JSON reader has been officially integrated by Apache Arrow.
• Our work on contrastive data synthesis, ImgDiff, has been accepted by CVPR 2025!
• Unit test optimization:
  • split unit tests to partial and regression: partial test is triggered by PR and only test on corresponding test cases of changed files; regression test on all cases and triggered at 7:00 on every Friday in Beijing time. #598
  • use primitive @unittest.skip and remove SKIPPED_TESTS. #586
  • upload test coverage reports to GitHub artifacts. #586

New OPs

• image_remove_background_mapper: remove the background of images. #589

Others

• add missing LOADED_AUDIOS to ALL_INTER_VARS to enable OP fusion and context sharing. #585
• only build doc for py3.10. #586
• move dependency on ray to minimal requirements. #586 #594 #595
• allow executor and other tool functions to consume a loaded dataset in addition to the config file. #596 #597
• fix undefined fileno bug of the logger. #594

Acknowledgement

• @liuyuhanalex helps simplify the code logic of OP fusion, add a new OP image_remove_background_mapper, and fix some minor bugs. #581 #585 #589
• @co63oc helps to fix typos in code and documents. #582 #583 #588 #591 #593
• @danielhjz helps to fix the implicit memory leak problem in image_nsfw_filter. #590