For more detailed release notes, including patch releases, please check the [milestones on GitHub](https://github.com/gatling/gatling/milestones?state=closed).

{{< alert warning >}}
Gatling 3.1 is not binary compatible with 3.0. Code compiled with a previous version must be recompiled when upgrading.
{{< /alert >}}

## Core

* [#3708](https://github.com/gatling/gatling/issues/3708): Gatling EL support sequence syntax for tuples, see [here]({{< ref "/concepts/session/el" >}})
* [#3696](https://github.com/gatling/gatling/issues/3696): Default to an adaptive policy when loading CSV feeders
* [#3681](https://github.com/gatling/gatling/issues/3681): Issue an IllegalStateException when trying to instantiate Simulation directly

## HTTP

* [#3702](https://github.com/gatling/gatling/issues/3702): Try using wsBaseUrl in addCookie when neither domain nor baseUrl are defined
* [#3699](https://github.com/gatling/gatling/issues/3699): Enable TLSv1.3 by default
* [#3671](https://github.com/gatling/gatling/issues/3671): Provide a way to pass per user keystore
* [#3664](https://github.com/gatling/gatling/issues/3664): Honor Content-Type charset attribute for forcing encoding when parsing XML

## Recorder

* [#3698](https://github.com/gatling/gatling/issues/3698): Automatically filter out browser noise
* [#3687](https://github.com/gatling/gatling/issues/3687): Use OpenSSL when architecture supports it

## JMS

* [#3673](https://github.com/gatling/gatling/issues/3673): Send mapMessage support