GNOME Shell 3.32 is ready for release on March 13, 2019. This new version provides some real performance enhancements, making this heavy Linux desktop environment easier. GNOME Shell is used by default on Ubuntu and many other Linux distributions.
The GNOME Shell desktop environment has long been quite heavy compared to other Linux desktop environments. Like the Ubuntu news site OMG! Ubuntu! points out:
Look, the GNOME Shell desktop is often criticized as a little on the heavy side. People blast it to have a relatively high memory usage at startup, to be taxed on the CPU, and to have an interface that often supports or drops frames during use.
But it gets better. These latest improvements are thanks to both the "upstream" GNOME Project and Canonical, the company behind Ubuntu. Georges Stavracas, a developer who did much of the work, puts out many technical details on his blog. A number of enhancements result in improved frame rates, smoother start animations, and faster icon loading times. There is also little work to reduce the use of the GPU.
Canonical's Daniel Van Vugt has also done a lot of work on GNOME Shell's performance. These patches are not just for Ubuntu they are contributing to the GNOME project and every Linux distribution will benefit. Linux news site Phoronix publishes many of the problems he is working on, but much of it is cooling down to lower CPU and GPU usage. GNOME Shell becomes narrower and faster.
These improvements will be available as part of GNOME 3.32.0, which will be sent on March 13, 2019. But you won't get it then. You have to wait for your Linux distribution to send the new GNOME often as part of a new release. For example, GNOME 3.32.0 will be included as part of Ubuntu 19.04 "Disco Dingo", scheduled to be released on April 18, 2019.
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