# Ray 2.0.1 — Ray-2.0.1

- Product: Ray (https://whatsnew.fyi/product/ray)
- Vendor: Anyscale
- Date: 2022-10-22
- Version: 2.0.1
- Original notes: https://github.com/ray-project/ray/releases/tag/ray-2.0.1
- Permalink: https://whatsnew.fyi/product/ray/releases/2.0.1

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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- **changed** — Upgrade grpcio version to 1.32
- **changed** — Upgrade redis version to 7.0.5
- **fixed** — Fix segfault when using runtime environments
- **changed** — Increase RPC timeout for dashboard
- **fixed** — Set correct path when using python -m
- **fixed** — Fix autoscaling for 0 CPU head node
- **fixed** — Allow code in private remote Git URIs to be imported in Serve
- **added** — Allow host and port in Serve config
- **added** — RLlib evaluation supports asynchronous rollout
- **fixed** — Fix hang during checkpoint synchronization in Tune
- **fixed** — Fix trial restoration from different IP in Tune
- **fixed** — Fix custom synchronizer serialization in Tune
- **changed** — Replace deprecated name option with task_id in Workflows

The Ray 2.0.1 patch release contains dependency upgrades and fixes for multiple components:

- Upgrade grpcio version to 1.32 ([#28025](https://github.com/ray-project/ray/pull/28025))
- Upgrade redis version to 7.0.5 ([#28936](https://github.com/ray-project/ray/pull/28936))
- Fix segfault when using runtime environments ([#28409](https://github.com/ray-project/ray/pull/28409)) 
- Increase RPC timeout for dashboard ([#28330](https://github.com/ray-project/ray/pull/28330))
- Set correct path when using `python -m` ([#28140](https://github.com/ray-project/ray/pull/28140))
- [Autoscaler] Fix autoscaling for 0 CPU head node ([#26813](https://github.com/ray-project/ray/pull/26813))
- [Serve] Allow code in private remote Git URIs to be imported ([#28250](https://github.com/ray-project/ray/pull/28250))
- [Serve] Allow `host` and `port` in Serve config ([#27026](https://github.com/ray-project/ray/pull/27026)) 
- [RLlib] Evaluation supports asynchronous rollout (single slow eval worker will not block the overall evaluation progress). ([#27390](https://github.com/ray-project/ray/pull/27390))
- [Tune] Fix hang during checkpoint synchronization ([#28155](https://github.com/ray-project/ray/pull/28155))
- [Tune] Fix trial restoration from different IP ([#28470](https://github.com/ray-project/ray/pull/28470)) 
- [Tune] Fix custom synchronizer serialization ([#28699](https://github.com/ray-project/ray/pull/28699)) 
- [Workflows] Replace deprecated `name` option with `task_id` ([#28151](https://github.com/ray-project/ray/pull/28151))