Ray Libraries

Ray Data

💫 Enhancements:

• Improve fractional CPU/GPU formatting (#45673)
• Use sampled fragments to estimate Parquet reader batch size (#45749)
• Refactoring ParquetDatasource and metadata fetching logic (#45728, #45727, #45733, #45734, #45767)
• Refactor planner.py (#45706)

Ray Tune

💫 Enhancements:

• Change the behavior of a missing stopping criterion metric to warn instead of raising an error. This enables the use case of reporting different sets of metrics on different iterations (ex: a separate set of training and validation metrics). (#45613)

Ray Serve

💫 Enhancements:

• Create internal request id to track request objects (#45761)

RLLib

💫 Enhancements:

• Stability: DreamerV3 weekly release test (#45654); Add "official" benchmark script for Atari PPO benchmarks. (#45697)
• Enhance env-rendering callback (#45682)

🔨 Fixes:

• Bug fix in new MetricsLogger API: EMA stats w/o window would lead to infinite list mem-leak. (#45752)
• Various other bug fixes: (#45819, #45820, #45683, #45651, #45753)

📖 Documentation:

• Re-do examples overview page (new API stack): #45382
  • PyFlyt QuadX WayPoints example #44758, #45956
  • RLModule inference on new API stack (#45831, #45845)
  • How to resume a tune.Tuner.fit() experiment from checkpoint. (#45681)
  • Custom RLModule (tiny CNN): #45774
  • Connector examples docstrings (#45864)
• Old API stack examples: #43592, #45829

Ray Core

🎉 New Features:

• Alpha release of job level logging configuration: users can now config the user logging to be logfmt format with logging context attached. (#45344)

💫 Enhancements:

• Integrate amdsmi in AMDAcceleratorManager (#44572)

🔨 Fixes:

• Fix the C++ GcsClient Del not respecting del_by_prefix (#45604)
• Fix exit handling of FiberState threads (#45834)

Dashboard

💫 Enhancements:

• Parse out json logs (#45853)

Many thanks to all those who contributed to this release: @liuxsh9, @peytondmurray, @pcmoritz, @GeneDer, @saihaj, @khluu, @aslonnie, @yucai, @vickytsang, @can-anyscale, @bthananjeyan, @raulchen, @hongchaodeng, @x13n, @simonsays1980, @peterghaddad, @kevin85421, @rynewang, @angelinalg, @jjyao, @BenWilson2, @jackhumphries, @zcin, @chris-ray-zhang, @c21, @shrekris-anyscale, @alanwguo, @stephanie-wang, @Bye-legumes, @sven1977, @WeichenXu123, @bveeramani, @nikitavemuri