Mark 2.3.3 (CTFd#1316)

2.3.3 / 2020-04-12
==================

**General**
* Re-enable the Jinja LRU Cache for **significant speedups** when returning HTML content

**API**
* `POST /api/v1/unlocks` will no longer allow duplicate unlocks to happen

**Admin Panel**
* Makes `Account Visibility` subtext clearer by explaining the `Private` setting in Config Panel

**Themes**
* Fixes an issue with using a theme with a purely numeric name
* Fixes issue where the scoreboard graph always said Teams regardless of mode

**Miscellaneous**
* Bump max log file size to 10 MB and fix log rotation
* Docker image dependencies (apk & pip) are no longer cached reducing the image size slightly

Prevent double confirmations from happening (CTFd#1253)

* Prevents user from confirming their account twice

2.3.0 (CTFd#1248)

2.3.0 / 2020-02-17
==================

**General**
* During setup, admins can register their email address with the CTFd LLC newsletter for news and updates
* Fix editting hints from the admin panel
* Allow admins to insert HTML code directly into the header and footer (end of body tag) of pages. This replaces and supercedes the custom CSS feature.
    * The `views.custom_css` route has been removed.
* Admins can now customize the content of outgoing emails and inject certain variables into email content.
* The `manage.py` script can now manipulate the CTFd Configs table via the `get_config` and `set_config` commands. (e.g. `python manage.py get_config ctf_theme` and `python manage.py set_config ctf_theme core`)

**Themes**
* Themes should now reference the `theme_header` and `theme_footer` configs instead of the `views.custom_css` endpoint to allow for user customizations. See the `base.html` file of the core theme.

**Plugins**
* Make `ezq` functions available to `CTFd.js` under `CTFd.ui.ezq`

**Miscellaneous**
* Python imports sorted with `isort` and import order enforced
* Black formatter running on a majority of Python code

Mark 2.2.3 (CTFd#1222)

2.2.3 / 2020-01-21
==================

### This release includes a critical security fix for CTFd versions >= 2.0.0

All CTFd administrators are recommended to take the following steps:
1. Upgrade their installations to the latest version
2. Rotate the `SECRET_KEY` value
3. Reset the passwords for all administrator users

**Security**
* This release includes a fix for a vulnerability allowing an arbitrary user to take over other accounts given their username and a CTFd instance with emails enabled

**General**
* Users will receive an email notification when their passwords are reset
* Fixed an error when users provided incorrect team join information

Mark 2.2.2 (CTFd#1212)

2.2.2 / 2020-01-09
==================

**General**
* Add jQuery, Moment, nunjucks, and Howl to window globals to make it easier for plugins to access JS modules
* Fix issue with timezone loading in config page which was preventing display of CTF times

Mark 2.2.1 (CTFd#1208)

2.2.1 / 2020-01-04
==================

**General**
* Fix issue preventing admins from creating users or teams
* Fix issue importing backups that contained empty directories

2.2.0 (CTFd#1188)

2.2.0 / 2019-12-22
==================

## Notice
2.2.0 focuses on updating the front end of CTFd to use more modern programming practices and changes some aspects of core CTFd design. If your current installation is using a custom theme or custom plugin with ***any*** kind of JavaScript, it is likely that you will need to upgrade that theme/plugin to be useable with v2.2.0. 

**General**
* Team size limits can now be enforced from the configuration panel
* Access tokens functionality for API usage
* Admins can now choose how to deliver their notifications
    * Toast (new default)
    * Alert
    * Background
    * Sound On / Sound Off
* There is now a notification counter showing how many unread notifications were received
* Setup has been redesigned to have multiple steps
    * Added Description
    * Added Start time and End time,
    * Added MajorLeagueCyber integration
    * Added Theme and color selection
* Fixes issue where updating dynamic challenges could change the value to an incorrect value
* Properly use a less restrictive regex to validate email addresses
* Bump Python dependencies to latest working versions
* Admins can now give awards to team members from the team's admin panel page

**API**
* Team member removals (`DELETE /api/v1/teams/[team_id]/members`) from the admin panel will now delete the removed members's Submissions, Awards, Unlocks

**Admin Panel**
* Admins can now user a color input box to specify a theme color which is injected as part of the CSS configuration. Theme developers can use this CSS value to change colors and styles accordingly.
* Challenge updates will now alert you if the challenge doesn't have a flag
* Challenge entry now allows you to upload files and enter simple flags from the initial challenge creation page

**Themes**
* Significant JavaScript and CSS rewrite to use ES6, Webpack, yarn, and babel
* Theme asset specially generated URLs
    * Static theme assets are now loaded with either .dev.extension or .min.extension depending on production or development (i.e. debug server)
    * Static theme assets are also given a `d` GET parameter that changes per server start. Used to bust browser caches.
* Use `defer` for script tags to not block page rendering
* Only show the MajorLeagueCyber button if configured in configuration
* The admin panel now links to https://help.ctfd.io/ in the top right
* Create an `ezToast()` function to use [Bootstrap's toasts](https://getbootstrap.com/docs/4.3/components/toasts/)
* The user-facing navbar now features icons
* Awards shown on a user's profile can now have award icons
* The default MarkdownIt render created by CTFd will now open links in new tabs
* Country flags can now be shown on the user pages

**Deployment**
* Switch `Dockerfile` from `python:2.7-alpine` to `python:3.7-alpine`
* Add `SERVER_SENT_EVENTS` config value to control whether Notifications are enabled
* Challenge ID is now recorded in the submission log

**Plugins**
* Add an endpoint parameter to `register_plugin_assets_directory()` and `register_plugin_asset()` to control what endpoint Flask uses for the added route

**Miscellaneous**
* `CTFd.utils.email.sendmail()` now allows the caller to specify subject as an argument
    * The subject allows for injecting custom variable via the new `CTFd.utils.formatters.safe_format()` function
* Admin user information is now error checked during setup
* Added yarn to the toolchain and the yarn dev, yarn build, yarn verify, and yarn clean scripts
* Prevent old CTFd imports from being imported

Mark 2.1.5 (CTFd#1126)

2.1.5 / 2019-10-2
=================

**General**
* Fixes `flask run` debug server by not monkey patching in `wsgi.py`
* Fix CSV exports in Python 3 by converting StringIO to BytesIO
* Avoid exception on sessions without a valid user and force logout
* Fix several issues in Vagrant provisioning

**API**
* Prevent users from nulling out profile values and breaking certain pages

Mark 2.1.4 (CTFd#1096)

2.1.4 / 2019-08-30
==================

**General**
* Make user pages show the team's score and place information instead of the user's information if in team mode
* Allow admins to search users by IP address
* Require password for email address changes in the user profile
* The place indicator in `Teams Mode` on the team pages and user pages now correctly excludes hidden teams
* Fix scoreboard place ordinalization in Python 3
* Fix for a crash where imports will fail on SQLite due to lack of ALTER command support
* Fix for an issue where files downloaded via S3 would have the folder name in the filename
* Make `Users.get_place()` and `Teams.get_place()` for return None instead of 0 if the account has no rank/place
* Properly redirect users or 403 if the endpoint requires a team but the user isn't in one
* Show affiliation in user and team pages in the admin panel and public and private user and team pages

**Themes**
* Remove invalid `id='submit'` on submit buttons in various theme files
* Set `tabindex` to 0 since we don't really care for forcing tab order
* Rename `statistics.js` to `graphs.js` in the Admin Panel as it was identified that adblockers can sometimes block the file

**API**
* The team profile endpoint (`/api/v1/teams/me`) will now return 403 instead of 400 if the requesting user is not the captain
* The Challenge API will now properly freeze the solve count to freeze time