diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd1142d1..b5079a74 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,23 @@
+### 1.24.0 (2018-06-xx)
+
+  * Added ability to customize error handling at the Logger level using Logger::setExceptionHandler
+  * Added InsightOpsHandler to migrate users of the LogEntriesHandler
+  * Added protection to NormalizerHandler against circular and very deep structures, it now stops normalizing at a depth of 9
+  * Added capture of stack traces to ErrorHandler when logging PHP errors
+  * Added forwarding of context info to FluentdFormatter
+  * Added SocketHandler::setChunkSize to override the default chunk size in case you must send large log lines to rsyslog for example
+  * Added ability to extend/override BrowserConsoleHandler
+  * Added SlackWebhookHandler::getWebhookUrl and SlackHandler::getToken to enable class extensibility
+  * Added SwiftMailerHandler::getSubjectFormatter to enable class extensibility
+  * Dropped official support for HHVM in test builds
+  * Fixed naming of fields in Slack handler, all field names are now capitalized in all cases
+  * Fixed normalization of objects in Slack handlers
+  * Fixed support for PHP7's Throwable in NewRelicHandler
+  * Fixed race bug when StreamHandler sometimes incorrectly reported it failed to create a directory
+  * Fixed table row styling issues in HtmlFormatter
+  * Fixed RavenHandler dropping the message when logging exception
+  * Fixed WhatFailureGroupHandler skipping processors when using handleBatch
+
 ### 1.23.0 (2017-06-19)
 
   * Improved SyslogUdpHandler's support for RFC5424 and added optional `$ident` argument
diff --git a/src/Monolog/Handler/TestHandler.php b/src/Monolog/Handler/TestHandler.php
index 9fe0e03d..b6b1343b 100644
--- a/src/Monolog/Handler/TestHandler.php
+++ b/src/Monolog/Handler/TestHandler.php
@@ -84,6 +84,10 @@ class TestHandler extends AbstractProcessingHandler
         return isset($this->recordsByLevel[$level]);
     }
 
+    /**
+     * @param string|array $record Either a message string or an array containing message and optionally context keys that will be checked against all records
+     * @param int          $level  Logger::LEVEL constant value
+     */
     public function hasRecord($record, $level)
     {
         if (is_string($record)) {