feat(websocket): add voteUnsubscribe specification

methods/websocket/voteUnsubscribe.md

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+# voteUnsubscribe
+
+Cancels a subscription created by `voteSubscribe` on the same WebSocket connection and returns `true`. An id that this connection does not hold returns `InvalidParams` (-32602) with the message `Invalid subscription id.` Agave returns `MethodNotFound` unless the validator enables `--rpc-pubsub-enable-vote-subscription`.
+
+## Implementation notes
+
+[**Agave**](../../implementations/agave.md) implements this method in the [pinned PubSub trait](https://github.com/anza-xyz/agave/blob/6dd9d38771e46103b9680357a855804165612602/rpc/src/rpc_pubsub.rs#L227).

methods/websocket/voteUnsubscribe.yaml

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+name: voteUnsubscribe
+status: standard
+summary: Cancel a voteSubscribe subscription.
+params:
+  - name: subscriptionId
+    required: true
+    summary: Identifier returned by voteSubscribe on this connection.
+    schema: { $ref: '#/components/schemas/U64' }
+result:
+  name: success
+  summary: True when the subscription is cancelled.
+  schema: { type: boolean }
+errors:
+  - $ref: '#/components/errors/MethodNotFound'
+  - $ref: '#/components/errors/InvalidParams'
+examples:
+  - name: basic
+    summary: Cancel a subscription.
+    params:
+      - name: subscriptionId
+        value: 1
+    result:
+      name: success
+      value: true
+implementations:
+  agave: { status: full }
+  cloudbreak: { status: none }
+  superbank: { status: none }

proposals/0060-vote-unsubscribe.md

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+---
+number: 0060
+title: Add voteUnsubscribe
+authors: [rpcpool]
+status: draft
+created: 2026-09-14
+reference-implementations: [https://github.com/anza-xyz/agave/blob/6dd9d38771e46103b9680357a855804165612602/rpc/src/rpc_pubsub.rs#L227]
+---
+
+# Add voteUnsubscribe
+
+## Summary
+
+Add the voteUnsubscribe WebSocket RPC method.
+
+## Motivation
+
+Agave exposes this public PubSub lifecycle method.
+
+## Specification
+
+Add the paired WebSocket method page. It defines the connection-scoped cancellation request, true result, and invalid-subscription error.
+
+## Return-type impact
+
+The method returns true after cancellation.
+
+## Compatibility
+
+This is additive. Agave implements it. Cloudbreak and Superbank do not currently implement WebSocket PubSub.
+
+## Reference implementation
+
+[Agave pinned handler](https://github.com/anza-xyz/agave/blob/6dd9d38771e46103b9680357a855804165612602/rpc/src/rpc_pubsub.rs#L227)
+
+## Security considerations
+
+Servers release the subscription resources when this call succeeds.

spec-info.yaml

@@ -1,5 +1,5 @@
 title: Solana JSON-RPC API
-version: 0.1.0
+version: 0.2.0
 license:
   name: MIT
   url: https://opensource.org/license/mit/