Highlights

• New feature: Chunked prefill (#800, #811)
• New models: Deepseek v2
• Performance improvement: vectorized logprob computation
• Accuracy fix: fix the double BOS problem in the chat template; move logits to float32; update flashinfer sampling kernels
• Feature fix: fixed many missing logprob-related features in the OpenAI API server
• CI/CD infra is now fully ready. The tests cover frontend, backend, accuracy, and performance tests.

What's Changed

• Deepseek v2 support by @hnyls2002 in #693
• Fix context length by @hnyls2002 in #757
• docs: update model support by @zhyncs in #760
• fix: not run workflows on fork repo by @zhyncs in #762
• Update supported models by @hnyls2002 in #763
• Fix TransformerTokenizer init for chatglm2 & 3 by @ispobock in #761
• [Minor] Improve the code style in TokenizerManager by @merrymercy in #767
• Update readme by @Ying1123 in #769
• feat: add fake tag by @zhyncs in #770
• Fix max_tokens for OpenAI chat completion API by @merrymercy in #766
• Fix max new tokens by @merrymercy in #772
• Move sampling logits to float32 by @merrymercy in #773
• minor refactor: move check server args to server_args.py by @wisclmy0611 in #774
• Fix return_log_probs with cuda graph by @merrymercy in #775
• Rename prefill_token_logprobs -> input_token_logprobs; decode_token_logprobs -> output_token_logprobs by @merrymercy in #776
• Allow disabling flashinfer sampling kernel by @merrymercy in #778
• Bump version to 0.2.6 by @merrymercy in #779
• fix: replace pillow with PIL in PACKAGE_LIST by @zhyncs in #781
• docs: init readthedocs support by @zhyncs in #783
• fix: init readthedocs support by @zhyncs in #784
• fix: exclude logo png in gitignore by @zhyncs in #785
• docs: update index by @zhyncs in #786
• Vectorize logprobs computation by @Ying1123 in #787
• docs: update README by @zhyncs in #788
• docs: make badges center by @zhyncs in #789
• chore: add copyright for srt by @zhyncs in #790
• Fix echo + lobprob for OpenAI API when the prompt is a list by @Ying1123 in #791
• Update README.md by @Ying1123 in #792
• Lazy-import third-party backends by @bgyoon in #794
• Fix lazy import location by @Ying1123 in #795
• Fix logging by @Ying1123 in #796
• Add role documentation, add system begin & end tokens by @objnf-dev in #793
• Chunked prefill support by @hnyls2002 in #797
• Revert "Chunked prefill support" by @Ying1123 in #799
• Chunked prefill by @hnyls2002 in #800
• fix: update flashinfer to 0.1.2 to fix sampling for cu118 by @zhyncs in #803
• Revert "fix: update flashinfer to 0.1.2 to fix sampling for cu118" by @Ying1123 in #805
• feat: add chat template for internlm2-chat by @zhyncs in #802
• Revert "Revert "fix: update flashinfer to 0.1.2 to fix sampling for cu118"" by @Ying1123 in #806
• Add support for OpenAI API : offline batch(file) processing by @yichuan520030910320 in #699
• Organize public APIs by @hnyls2002 in #809
• Remove inf value for chunked prefill size by @hnyls2002 in #812
• Revert "Organize public APIs" by @Ying1123 in #815
• fix: use v0.2.5 for benchmark by @zhyncs in #814
• Fix LiteLLM kwargs by @qeternity in #817
• Code structure refactor by @hnyls2002 in #807
• docs: update README by @zhyncs in #819
• Fix streaming bug by @objnf-dev in #820
• feat: add runner by @zhyncs in #821
• feat: add pr e2e test by @zhyncs in #822
• Support disable_ignore_eos in bench_serving.py by @Ying1123 in #824
• Adjust default mem fraction to avoid OOM by @Ying1123 in #823
• Add awq_marlin by @Ying1123 in #826
• misc: update e2e test benchmark config by @zhyncs in #825
• misc: enable e2e test when push by @zhyncs in #828
• docs: add set up runner by @zhyncs in #829
• chore: bump v0.2.7 by @zhyncs in #830
• Add --max-total-tokens by @hnyls2002 in #840
• Fix List input bug by @yichuan520030910320 in #838
• Add req slots leaking check by @hnyls2002 in #842
• docs: update README.md by @eltociear in #843
• misc: update e2e test paths config by @zhyncs in #848
• chore: update flashinfer to v0.1.3 by @zhyncs in #850
• Fix llama for classification by @Ying1123 in #855
• Add troubleshooting doc by @Ying1123 in #856
• Fix #857 by @kaifronsdal in #858
• Add support for logprobs in OpenAI chat API by @yichuan520030910320 in #852
• Support chunked prefill when radix cache is disabled by @hnyls2002 in #811
• misc: update e2e test paths config by @zhyncs in #860
• Rename github workflows by @Ying1123 in #861
• misc: disable auto release by @zhyncs in #862
• misc: add cancel previous at e2e by @zhyncs in #864
• Add OpenAI backend to the CI test by @Ying1123 in #869
• Fix openai CI tests by @Ying1123 in #870
• misc: use pip cache purge and add unit test ci by @zhyncs in #871
• misc: update unit test config by @zhyncs in #873
• Fix unit tests for the frontend language part by @Ying1123 in #872
• bump to 0.2.8 by @Ying1123 in #877
• Make scripts under /test/srt as unit tests by @Ying1123 in #875
• Update runner docs by @hnyls2002 in #876
• Improve the coverage of the openai api server test by @Ying1123 in #878
• Implement served_model_name to customize model id when use local mode… by @dionren in #749
• Update runner docs by @hnyls2002 in #879
• Add more unit tests to CI by @Ying1123 in #880
• Add accuracy test to CI: MMLU by @Ying1123 in #882
• Update workflow name by @Ying1123 in #883
• Fix the double BOS problem in the HF chat template by @Ying1123 in #888
• Add benchmark: HumanEval by @Ying1123 in #889
• Increase openai client limit by @Ying1123 in #886
• Bump version to v0.2.9 by @Ying1123 in #890

New Contributors

• @bgyoon made their first contribution in #794
• @objnf-dev made their first contribution in #793
• @kaifronsdal made their first contribution in #858
• @dionren made their first contribution in #749

Full Changelog: v0.2.5...v0.2.9