# Ray 2.55.1 — Ray-2.55.1

- Product: Ray (https://whatsnew.fyi/product/ray)
- Vendor: Anyscale
- Date: 2026-04-22
- Version: 2.55.1
- Original notes: https://github.com/ray-project/ray/releases/tag/ray-2.55.1
- Permalink: https://whatsnew.fyi/product/ray/releases/2.55.1

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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- **fixed** — SSH connectivity issue in the ray-llm image
- **changed** — Upgrade apt packages in slim base

- Fixes SSH connectivity issue in the `ray-llm` image (#62625 / #62718).
- Upgrade apt packages in slim base (#62666 / #62717).