# Ray 1.4.1 — Ray-1.4.1

- Product: Ray (https://whatsnew.fyi/product/ray)
- Vendor: Anyscale
- Date: 2021-06-30
- Version: 1.4.1
- Original notes: https://github.com/ray-project/ray/releases/tag/ray-1.4.1
- Permalink: https://whatsnew.fyi/product/ray/releases/1.4.1

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Python 3.9 wheels for Linux, MacOS, and Windows
- **added** — Add warnings when many tasks scheduled in Ray Client
- **changed** — Improve error messages in Ray Client
- **changed** — Support Dask 2021.06.1
- **changed** — Support object refs in Tune with_params
- **fixed** — Resolve on-prem bug in Ray Autoscaler
- **fixed** — Fix gRPC Timeout Options in Ray Client
- **fixed** — Fix Ray Client disconnect on dataclient error
- **fixed** — Fix runtime environments bugs
- **fixed** — Improve runtime environments logging
- **fixed** — Fix race condition leading to failed imports in Ray Core
- **fixed** — Don't broadcast empty resources data
- **fixed** — Fix async actor lost object bug
- **fixed** — Always report job timestamps in milliseconds
- **fixed** — Fix multi-node placement group and job config bugs
- **fixed** — Fix bug in task dependency management for duplicate args
- **fixed** — Unify Python and core worker ids
- **fixed** — Fix Ray Serve shutdown to go through Serve controller
- **security** — Upgrade Java dependencies to fix CVEs

#### Release 1.4.1 Notes


##### Ray Python Wheels

Python 3.9 wheels (Linux / MacOS / Windows) are available ([#16347](https://github.com/ray-project/ray/pull/16347) [#16586](https://github.com/ray-project/ray/pull/16586))


##### Ray Autoscaler

🔨 Fixes: On-prem bug resolved ([#16281](https://github.com/ray-project/ray/pull/16281))


##### Ray Client

💫Enhancements: 



*   Add warnings when many tasks scheduled ([#16454](https://github.com/ray-project/ray/pull/16454))
*   Better error messages ([#16163](https://github.com/ray-project/ray/pull/16163))

🔨 Fixes: 



*   Fix gRPC Timeout Options ([#16554](https://github.com/ray-project/ray/pull/16554))
*   Disconnect on dataclient error ([#16588](https://github.com/ray-project/ray/pull/16588))


##### Ray Core

🔨 Fixes: 



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


##### Dask

💫Enhancements: Dask 2021.06.1 support ([#16547](https://github.com/ray-project/ray/pull/16547))


##### Tune

💫Enhancements: Support object refs in with_params ([#16753](https://github.com/ray-project/ray/pull/16753))

##### Serve

🔨Fixes: Ray serve shutdown goes through Serve controller ([#16524](https://github.com/ray-project/ray/pull/16524))

##### Java

🔨Fixes: Upgrade dependencies to fix CVEs ([#16650](https://github.com/ray-project/ray/pull/16650), [#16657](https://github.com/ray-project/ray/pull/16657))
 
##### Documentation

* Runtime Environments ([#16290](https://github.com/ray-project/ray/pull/16290))
* Feature contribution [Tune] ([#16477](https://github.com/ray-project/ray/pull/16477))
* Ray design patterns and anti-patterns ([#16478](https://github.com/ray-project/ray/pull/16477))
* PyTorch Lightning ([#16484](https://github.com/ray-project/ray/pull/16484))
* Ray Client ([#16497](https://github.com/ray-project/ray/pull/16497))
* Ray Deployment ([#16538](https://github.com/ray-project/ray/pull/16477))
* Dask version compatibility ([#16595](https://github.com/ray-project/ray/pull/16595))
 
##### CI

Move wheel and Docker image upload from Travis to Buildkite ([#16138](https://github.com/ray-project/ray/pull/16138) [#16241](https://github.com/ray-project/ray/pull/16138))
 
##### 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