---
layout: post
title: December 2019 Release Notes
category: releases
tags: release-notes
---

## Improvements

* **Rails:** We upgraded our application to a new version of Rails
* **Security:** We upgraded some components of our system to ensure more secure infrastructure.
* **Elasticsearch:** We continued work on upgrading our analytics engine's version of Elasticsearch.

## Fixes

* **Input Improvements:** We added input validation to a couple fields that originally allowed off-format submissions.
Create December Release Notes ayushchak
Create December Release Notes ayushchak
