As you may know, Puddletag is an audio tag editor that uses a spreadsheet-like layout, in order to enable the users to easily edit tags. Among others, it has support for extracting tag info from filenames, renaming files based on tags, by using pattern matching.

The latest version available is Puddletag 1.1.1, bringing the below changes.
Fixes:
- Playlists not getting loaded in certain cases
- Discogs changed their API to allow OAuth. As a result you can now only lookup releases using their Discogs release id.
- Plugins are now included in default install
- Padding of total tracks number follows the same rules as padding a track number #269
- Improved matching of Amazon resources
- Filtering ‘simple’ values works again
- Bug in regex functions where extra can get added
Changes:
- Modified date is updated by default when saving
New:
- Autonumbering has a bunch of new options.
Installation instructions:
To install Puddletag on your Ubuntu system, you need to add the PPA to your system, update the local repository index and install the puddletag package:
$ sudo add-apt-repository ppa:nilarimogard/webupd8
$ sudo apt-get update
$ sudo apt-get install puddletag
Optional, to remove puddletag, do:
$ sudo apt-get remove puddletag
The installation instructions should work on Ubuntu 15.10 Wily Werewolf, Ubuntu 14.04 Trusty Tahr, Linux Mint 17.x, Elementary OS 0.3 Freya and other Ubuntu derivative systems.