In other words, as long as you’re running Kinetic or Melodic against its recommended Ubuntu release targets, you should be golden. It will continue to be fully-supported and receive free security updates. This means that for Xenial (16.04) and Bionic (18.04), Python 2 falls under the main guarantees quoted above. Canonical does not provide a guarantee of regular security updates for software in the universe component, but will provide these where they are made available by the community.Īll Ubuntu releases prior to Eoan (19.10) included Python 2 in main. The universe component is a snapshot of the free, open-source, and Linux world. When you install software from the main component, you are assured that the software will come with security updates and that commercial technical support is available from Canonical.
The main component contains applications that are free software, can be freely redistributed and are fully supported by the Ubuntu team. You can read that link to learn all about them, but let me briefly quote it so you can understand the difference between main and universe: Ubuntu’s package repositories are split into a number of components: main, restricted, universe, and multiverse. Tl dr: If you’re using Ubuntu Xenial (16.04) or Bionic (18.04), please know that Python 2 from the Ubuntu repositories will continue to be supported for the lifetime of the Ubuntu release, regardless of Python 2’s upstream support status. The answer really depends on where you’re getting Python 2. However, the question from our customer was this: What does that mean for existing ROS 1 distributions (Kinetic and Melodic)? They are still using (and will continue to use) Python 2. This shouldn’t be news to anyone who hasn’t been living under a rock, and plans are in place to use Python 3 in Noetic (whereas ROS 2 has always used Python 3). Python 2 will reach end of life in two months.
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