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.

KDE announced its December 2020 apps update including Kdenlive 20.12 two days ago. Here’s how to install it in Ubuntu via PPA.

Kdenlive 20.12 is a big release with many new features, stability improvements, various mix and transition fixes. While it’s not officially announced at the moment in the Kdenlive.org, here are some changes according to KDE’s announcement:

• Allow moving subtitle through subtitle widget.
• Add shortcut in/out/delete buttons to subtitle widget.
• Add option to export subtitle file.
• Add menu for subtitle clips.
• Add subtitle import function
• Add function to delete all subtitles from subtitle model.
• Add timeline ruler menu item to create subtitle clip.
• Add button in timeline toolbar to enable subtitle editing.
• Add timeline tractor to Subtitle Model to attach subtitle filter.
• Port to QtWebEngineWidgets.
• Added multiple track deletion feature.
• Qtcrop effect: make radius animated.
• Add method to easily reload a custom effect.
• Add comments feature in custom effects.
• Make start and end position of subtitle editable.
• Add GPU profiles provided by Constantin Aanicai.
• Add MLT’s Pillar Echo effect.
• Add signals and slot to subtitle model.
• Add class to handle subtitles definition and comparison.
• Add SSA Parser.
• Add srt parser to model.
• Rewrite audio thumbnails to only use FFmpeg’s data and optimize memory usage on creation.
• Add avfilter eq filter, allows to adjust image brightness, contrast, saturation, gamma all in one effect.
• Update Audio, Editing and Color layouts.
• Add Effects layout.
• Improve audiomixer layout.

How to Install Kdenlive 20.12 in Ubuntu 20.04, Ubuntu 20.10:

The kdenlive team ppa has built the latest packages for Ubuntu 20.04, Ubuntu 20.10, Linux Mint 20.

1.) Open ‘terminal’ from your system application menu, and run command to add the PPA:

sudo add-apt-repository ppa:kdenlive/kdenlive-stable

Type your password when it asks (no asterisk feedback) and hit Enter to continue.

2. ) If an old version of kdenlive was installed, upgrade it via Update Manager:

Or simply run command in terminal to install the video editor:

sudo apt install kdenlive

NOTE for non-KDE users, Kdenlive will be installed along with a large list of KDE libraries.

Uninstall:

To purge the PPA as well as downgrade Kdenlive package, run command in terminal:

sudo apt install ppa-purge && sudo ppa-purge ppa:kdenlive/kdenlive-stable

To remove the PPA only, run command:

sudo add-apt-repository --remove ppa:kdenlive/kdenlive-stable

And to remove Kdenlive, run command:

sudo apt remove --autoremove kdenlive kdenlive-data

The third and last minor release for Kdenlive video editor 20.08 was released today with many fixes and improvements.

Changes in Kdenlive 20.08.3 include:

• Fix on monitor displayed fps with high fps values.
• Ensure timeline ruler is correctly updated on profile switch.
• When switching project profile and there is only 1 clip in timeline, update the timeline clip duration accordingly to profile change.
• Project archiving: check after each file if archiving works, add option to use zip instead of tar.gz.
• Fix opening project files with missing version number.
• Fix duplicated audio from previous commit.
• Fix playlist clips have no audio regression.
• Fix keyframeable effect params left enabled when selecting a clip, leading to possible crash.
• Don’t allow removing the only keyframe in an effect.
• Fix crash inserting zone over grouped clips in same track.
• Check ffmpeg setting points to a file, not just isn’t empty.
• Qtcrop effect: make radius animated.
• Render widget: avoid misuse of parallel processing.
• Fix resizing clip loses focus if mouse cursor did not get outside of clip boundaries.
• Fix rounding error sometimes hiding last keyframe in effectstack.

How to Install Kdenlive 20.08.3 in Ubuntu 20.04, Ubuntu 20.10:

The kdenlive team ppa has built the latest packages for Ubuntu 20.04, Ubuntu 20.10, Linux Mint 20.

1.) Open ‘terminal’ from your system application menu, and run command to add the PPA:

sudo add-apt-repository ppa:kdenlive/kdenlive-stable

Type your password when it asks (no asterisk feedback) and hit Enter to continue.

2. ) If an old version of kdenlive was installed, upgrade it via Update Manager:

Or simply run command in terminal to install the video editor:

sudo apt install kdenlive

NOTE for non-KDE users, Kdenlive will be installed along with a large list of KDE libraries.

Uninstall:

To purge the PPA as well as downgrade Kdenlive package, run command in terminal:

sudo apt install ppa-purge && sudo ppa-purge ppa:kdenlive/kdenlive-stable

To remove the PPA only, run command:

sudo add-apt-repository --remove ppa:kdenlive/kdenlive-stable

And to remove Kdenlive, run command:

sudo apt remove --autoremove kdenlive kdenlive-data