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book/node_modules/websocket-extensions/CHANGELOG.md

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+### 0.1.4 / 2020-06-02
+
+- Remove a ReDoS vulnerability in the header parser (CVE-2020-7662, reported by
+  Robert McLaughlin)
+- Change license from MIT to Apache 2.0
+
+### 0.1.3 / 2017-11-11
+
+- Accept extension names and parameters including uppercase letters
+- Handle extension names that clash with `Object.prototype` properties
+
+### 0.1.2 / 2017-09-10
+
+- Catch synchronous exceptions thrown when calling an extension
+- Fix race condition caused when a message is pushed after a cell has stopped
+  due to an error
+- Fix failure of `close()` to return if a message that's queued after one that
+  produces an error never finishes being processed
+
+### 0.1.1 / 2015-02-19
+
+- Prevent sessions being closed before they have finished processing messages
+- Add a callback to `Extensions.close()` so the caller can tell when it's safe
+  to close the socket
+
+### 0.1.0 / 2014-12-12
+
+- Initial release