Thunderbird Nightly gets a new version every day and as a consequence, the release notes for the Nightly channel are updated continuously to reflect features that have reached sufficient maturity to benefit from community feedback and bug reports. Features listed here may or may not make a final release of Thunderbird.
apt-get -y install devscripts dpkg-dev
git clone https://github.com/Vitexus/ThunderbirdDailyDeb.git
debuild -i -us -uc -bDownload from repo.vitexsoftware.com or Build package. Then install:
apt install ./thunderbird-daily_*.debOr you can use repo:
sudo apt install lsb-release wget apt-transport-https bzip2
wget -qO- https://repo.vitexsoftware.com/keyring.gpg | sudo tee /etc/apt/trusted.gpg.d/vitexsoftware.gpg
echo "deb [signed-by=/etc/apt/trusted.gpg.d/vitexsoftware.gpg] https://repo.vitexsoftware.com $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/vitexsoftware.list
sudo apt update
sudo apt install daily
See also: https://github.com/Vitexus/FirefoxNightlyDeb https://github.com/VitexSoftware/FirefoxDevelEditionDeb