The documentation is an open project, you can help with the translation, just open **Merge Request** 💻.
Try to read the [Russian version](/ru/release_notes/0.4.0/) using an [online translator](https://translate.yandex.ru/).
## Requiring FFmpeg
A new page for stream adding, requires [FFmpeg](https://ffmpeg.org) package to be installed in order to get information about the source before adding it to the server.
For macOS users, FFmpeg package can be installed by [Homebrew](http://brew.sh):
```shell
brew install ffmpeg
```
For users of Linux distribs, please refer to the updated [installation page](/en/install/Debian_Ubuntu/) for details.
## New page for stream adding
Instead of a simple input line for the address, we added receiving detailed information about the source and displaying a preview:

If the source is unavailable:

## License interface
It’s easier to add and track license status now:

## Global stream quota
Server configuration new block - a [quota](/en/configuration/old/0.4.0/#quota), you can limit the maximum number of users or streams on the server, after reaching the limit, the user will receive an error.
The current number of users and streams, as well as the set quota, can be seen on the stats page:

## Ukrainian language
Ukrainian language is available now:

If you notice any inaccuracies in the translation, write to us by [mail](mailto:info@yucca.app) or [Telegram chat](https://t.me/yuccastream).
## Update
Check the [update guide](/en/update/0.3.1_to_0.4.0/) to 0.4.0.