Release 1.4.1 Notes

Ray Python Wheels

Python 3.9 wheels (Linux / MacOS / Windows) are available (#16347 #16586)

Ray Autoscaler

🔨 Fixes: On-prem bug resolved (#16281)

Ray Client

💫Enhancements:

• Add warnings when many tasks scheduled (#16454)
• Better error messages (#16163)

🔨 Fixes:

• Fix gRPC Timeout Options (#16554)
• Disconnect on dataclient error (#16588)

Ray Core

🔨 Fixes:

• Runtime Environments
  • Docs (#16290)
  • Bug fixes (#16475, #16535, #16378)
  • Logging improvement (#16516)
• Fix race condition leading to failed imports #16278
• Don't broadcast empty resources data (#16104)
• Fix async actor lost object bug (#16414)
• Always report job timestamps in milliseconds (#16455, #16545, #16548)
• Multi-node placement group and job config bug fixes (#16345)
• Fix bug in task dependency management for duplicate args (#16365)
• Unify Python and core worker ids (#16712)

Dask

💫Enhancements: Dask 2021.06.1 support (#16547)

Tune

💫Enhancements: Support object refs in with_params (#16753)

Serve

🔨Fixes: Ray serve shutdown goes through Serve controller (#16524)

Java

🔨Fixes: Upgrade dependencies to fix CVEs (#16650, #16657)

Documentation

• Runtime Environments (#16290)
• Feature contribution [Tune] (#16477)
• Ray design patterns and anti-patterns (#16478)
• PyTorch Lightning (#16484)
• Ray Client (#16497)
• Ray Deployment (#16538)
• Dask version compatibility (#16595)

CI

Move wheel and Docker image upload from Travis to Buildkite (#16138 #16241)

Thanks

Many thanks to all those who contributed to this release!

@rkooo567, @clarkzinzow, @WangTaoTheTonic, @ckw017, @stephanie-wang, @Yard1, @mwtian, @jovany-wang, @jiaodong, @wuisawesome, @krfricke, @architkulkarni, @ijrsvt, @simon-mo, @DmitriGekhtman, @amogkam, @richardliaw