Adding entry to changelog.
@@ -10,18 +10,15 @@ Added
* Update ``st2 execution tail`` command so it supports double nested workflows (workflow ->
workflow -> execution). Previously, only top-level executions and single nested workflows
(workflow -> execution) were supported. (improvement) #3962 #3960
-* Add support for utf-8 / unicode characters in the pack config files. (improvement) #3980 #3989
-
- Contributed by @sumkire.
-
-Changed
-~~~~~~~
-
-* Modified RabbitMQ connection error message to make clear that it is an MQ connection issue. #3992
Fixed
~~~~~
+* Fix ``Argument list too long`` error when very large parameters are passed into the python
+ wrapper arguments. The fix utilizes ``stdin`` to pass parameters instead of cli argument
+ list.
+ (bug fix) #1598
+
* Fix a regression in ``POST /v1/webhooks/<webhook name>`` API endpoint introduced in v2.4.0
and add back support for arrays. In 2.4.0 support for arrays was inadvertently removed and
only objects were supported. Keep in mind that this only applies to custom user-defined
