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qBittorrent 4.3.2 was released a few days ago. Here’s how to install it in Ubuntu via PPA.

The new release of the Bittorrent client features an option for Internationalized Domain Names (IDNs) support, which enable people around the world to use domain names in local languages and scripts.

It now allows to add root folder to torrent content. And “HTTPS tracker validation” option is available on all platforms with latest libtorrent.

Bug-fixes in qBittorrent 4.3.2 include:

  • Fix broken sorting on some columns
  • Fix availability per file value
  • Fix status of torrents without metadata
  • Don’t try to remove folders for a torrent without metadata
  • Lift upper limit of “Max concurrent HTTP announces” option
  • Add links to libtorrent documentation
  • Move “embedded tracker” options to qbt section
  • Properly handle “Append extension” option changing
  • Correctly save paused torrent state
  • Fix bug of “move storage job” can be performed multiple times

There are also a few WEB UI changes, including ability to use ‘shift+delete’ to delete torrents, allow to attach tags while adding torrents.

How to Install qBittorrent via PPA:

The official qBittorrent PPA has built the new release packages for Ubuntu 18.04, Ubuntu 20.04, and derivatives.

1. To add the PPA, open terminal by either pressing Ctrl+Alt+T on keyboard or searching for “Terminal” from application menu. When it opens, run command:

sudo add-apt-repository ppa:qbittorrent-team/qbittorrent-stable

Type user password (no asterisk feedback) when it prompts and hit Enter to continue.

2. If an old version was installed on your system, upgrade it via Software Updater,

upgrade qBittorrent

or run following commands to install /upgrade qBittorrent in terminal:

sudo apt update

sudo apt install qbittorrent


To remove qBittorrent PPA, either go to Software & Updates -> Other Software, or run command in terminal:

sudo add-apt-repository --remove ppa:qbittorrent-team/qbittorrent-stable

To remove the bittorrent client, either use your system package manager or run command:

sudo apt-get remove --autoremove qbittorrent

TeXstudio, an open-source fully featured LaTeX editor, released version 3.0.2 a few hours ago. Here’s how to install it in Ubuntu, Linux Mint.

Though it’s a bug-fix version, TeXstudio 3.0.2 was released after two beta test releases. It features:

  • Add large number of default dictionaries.
  • Handle \tabularnewline correctly
  • Fix text insertion on selected text
  • Change behavior for cut buffer and Ctrl+e (insert env).
  • Add texdoc as selectable command
  • Windows build now uses 64 bit and can handle larger documents

How to Install TeXstudio 3.0.2 in Ubuntu:

Non-install Appimage:

The editor offers official Appimage package, available to download at the link below:

TeXstudio Github Releases

Just grab the .appimage package, add “allow executing as program” in file’s Properties -> Permissions dialog, and finally run it to launch TeXstudio.

Install the LaTeX editor via PPA:

The official TeXstudio PPA maintains the software packages for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10.

While the PPA is not updated for the new release at the moment, you may grab the .deb binary from OBS repository (official).

Once the PPA is updated with the new release packages, you can do following steps one by one to install it:

1. Open terminal either by pressing Ctrl+Alt+T on keyboard or by searching for ‘terminal’ from software launcher. When it opens, run command:

sudo add-apt-repository ppa:sunderme/texstudio

Type user password (no asterisk feedback) when it asks and hit Enter to add the PPA.

2. If the stock version in Ubuntu main repository was installed, remove the texstudio-doc, texstudio-l10n (if any) package before upgrading the software:

sudo apt-get remove texstudio-doc texstudio-l10n

3. After adding the PPA, you can either upgrade it via Software Updater:

or run commands in terminal to install or upgrade the software:

sudo apt-get update && sudo apt-get install texstudio


To remove the LaTeX editor, run command in terminal:

sudo apt-get remove --autoremove texstudio

And go to Software & Updates -> Other Software to remove PPA repositories.

GIMP extra color palettes

GIMP image editor 2.99.4 was released a few days ago as the second development release for the next major GIMP 3.0.

Release highlights include:

  • Usability fixes across various parts of GIMP
  • New Paint Select tool in the playground
  • New generic dialog generation and metadata support API for export plug-ins
  • Multi-threaded JPEG2000 decoding
  • Initial documentation on porting plug-ins to 3.0

As Xmas present, there’s also a comic strip in the release note:

How to Install GIMP 2.99.4 in Ubuntu Linux

The new release has been made as Flatpak package available to install via flathub beta channel. Like the previous GIMP 2.99.2, you can follow this how to guide to install it in Ubuntu.

Darktable 2.2.5

Darktable 3.4.0 was released yesterday on Christmas Eve as the new stable version of the open-source photography software and raw developer. Here’s how to install it in Ubuntu 20.10, Ubuntu 20.04, Ubuntu 18.04, and Linux Mint 20.

Darktable 3.4.0 release highlights:

  • More stable and reworked tethering view
  • The histogram is back on the tethering view
  • A new module grouping feature
  • Module masking enhanced for use with scene-referred workflows.
  • A new color calibration module.
  • Map view evolved, new camera support, and much more.

Install Darktable 3.4.0 in Ubuntu:

NOTE: the new library and configuration will not be usable with 3.2.x any more, so you are strongly advised to take a backup first. And you may remove .config/darktable folder.

Method 1: install Darktable from OBS repository:

The OBS repository offers binary packages for Debian, Fedora, openSUSE, and Ubuntu:

Darktable OBS repository

You can either download & install the deb package via direct link:

Or run the commands one by one to add the repository, just like Ubuntu PPA, and receive future updates via Software Updater.

Method 2: Install the software using Ubuntu PPA:

For request, I’ve uploaded the new release packages into the unofficial PPA, available for Ubuntu 20.10, Ubuntu 20.04, and Ubuntu 18.04.

1. To add the PPA, open terminal from system application launcher and run command:

sudo add-apt-repository ppa:ubuntuhandbook1/darktable

2. You can then either install the application via command:

sudo apt update && sudo apt install darktable

or upgrade from an existing package via Software Updater:

upgrade darktable

Remove Darktable:

Both Ubuntu PPA and OBS repository can be easily removed via Software & Updates -> Other Software:

To remove darktable, simply run command:

sudo apt remove --auto-remove darktable

And Merry Christmas To You!!

Kdenlive video editor 20.12 was finally announced. Here’s what’s new and how to install it in Ubuntu.

The new release features the long requested same track transition function. It can be activated by selecting a clip and pressing “u” on keyboard or via the icon in the timeline toolbar.

Kdenlive 20.12 also features new subtitling tool allows to add and edit subtitles directly in the timeline or by using the new subtitle widget.

Other changes include:

  • Import (SRT/ASS) and export (SRT) subtitles.
  • An overhauled effects layout
  • Ability to rename and add/edit the description of custom effects
  • New Pillar Echo effect for vertical videos.
  • Crop by padding effect can now be keyframed.
  • New VR 360 and 3D effects
  • New Video Equalizer for adjusting image brightness, contrast, saturation and gamma.
  • Ability to enable/disable normalization of audio thumbnails from track header
  • Ability to delete multiple tracks at once
  • Online Resources tool was ported to qtwebengine

How to Install Kdenlive 20.12 in Ubuntu:

As KDE announced Kdenlive 20.12 as one of the December 2020 apps update more than a week ago, the Kdenlive stable PPA has made the packages for Ubuntu 20.04, Ubuntu 20.10, Linux Mint 20. And I’ve written the how to install guide in this page.