Overview

Backport of a fix from polkadot-sdk stable2509-3 (paritytech/polkadot-sdk#10479). Updates yamux from 0.13.6 to 0.13.8 to avoid panics when tungstenite websocket connections are used with yamux in the p2p networking layer.

🗹 TODO before merging

• Ready

📌 Submission Checklist

• Changes are backward-compatible (or flagged if breaking)
• Pull request description explains why the change is needed
• Self-reviewed the diff
• I have included a change file, or skipped for this reason:
• If the changes introduce a new feature, I have bumped the node minor version
• Update documentation (if relevant)
• Updated AGENTS.md if build commands, architecture, or workflows changed
• No new todos introduced

🧪 Testing Evidence

Lockfile-only change bumping yamux 0.13.6 → 0.13.8 (semver-compatible patch).

• Additional tests are provided (if possible)

🔱 Fork Strategy

• Node Runtime Update
• Node Client Update
• Other:
• N/A

Links

• Upstream fix: backport2509: cargo: Update yamux to 0.13.8 to avoid panics paritytech/polkadot-sdk#10479
• Upstream issue: range start index 150 out of range for slice of length 12 paritytech/polkadot-sdk#9169