pocketbase
diff --git a/‎CHANGELOG.md
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diff --git a/‎dist/pocketbase.cjs.js
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diff --git a/‎dist/pocketbase.cjs.js.map
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diff --git a/‎dist/pocketbase.es.js
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diff --git a/‎dist/pocketbase.es.js.map
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diff --git a/‎dist/pocketbase.es.mjs
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diff --git a/‎dist/pocketbase.es.mjs.map
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diff --git a/‎dist/pocketbase.iife.js
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diff --git a/‎dist/pocketbase.iife.js.map
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diff --git a/‎dist/pocketbase.umd.js
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diff --git a/‎dist/pocketbase.umd.js.map
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diff --git a/‎src/services/RealtimeService.ts
+2-1 b/‎src/services/RealtimeService.ts
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@@ -1,3 +1,8 @@
+## 0.21.5
+
+- Shallow copy the realtime subscribe `options` argument for consistency with the other methods ([#308](https://github.com/pocketbase/js-sdk/issues/308)).
+
+
 ## 0.21.4
 
 - Fixed the `requestKey` handling in `authWithOAuth2({...})` to allow manually cancelling the entire OAuth2 pending request flow using `pb.cancelRequest(requestKey)`.
 
@@ -55,7 +55,8 @@ export class RealtimeService extends BaseService {
 
         // serialize and append the topic options (if any)
         if (options) {
-            normalizeUnknownQueryParams(options);
+            options = Object.assign({}, options); // shallow copy
+            normalizeUnknownQueryParams(options)
             const serialized =
                 "options=" +
                 encodeURIComponent(