There’s a new script language in Vim 9.0 that promises to boost performance

Published on July 01, 2022

It has been reported that Vim 9.0 offers a new scripting language, performance improvements, and a closer relationship with commonly used programming languages.

There has been a major update to Vim, the terminal text editor, that has been released.

There were several tiny improvements made to the Vim 9.0 release, along with a new scripting language (Vim9 script) that was included as part of the release.

I can’t believe that it has been almost three years since the release of Vim 9.0. According to the release announcement, Vim 9.0 is more reliable than its predecessors, and I believe that is true.

Vim scripts always ensure backwards compatibility, but this update changes that a bit.

It is always the case that backwards compatibility results in slower performance during execution. Therefore, the Vim9 script aims to dramatically improve performance.

Backward compatibility must be avoided in order to achieve performance improvements. A “a:” dictionary is an example of a method of making function arguments available. These dictionary entries are not available in Vim9 functions. Several other subtle differences exist, such as the way errors are handled.