## 2.1.0

New features:

* A team captain can invite other members

## 2.0.0

New features:

* users can be organized into teams

Enhancements:

* add end-point for listing tags

Breaking compatibility:

* switch to a different DB schema

## 1.2.0

Enhancements:

* add "version" field for challenges
* add end-point for challenge versions
* no CSRF token is required when submitting a solution via API

## 1.1.0

Improvements

* more fields in leaderboard end-point
* adding an instant pre-check for a submission

## 1.0.0

Start CHANGELOG