Is on npm and available as zip file. You can see the patches on GitHub.
Release notes
Bug fixes
octave mode: Don’t mark common punctuation as error.
clike mode: Support nested comments and properly indent lambdas in Kotlin.
foldgutter and annotatescrollbar addons: Optimize use of setTimeout/clearTimeout.
New features
New themes: moxer, material-darker, material-palenight, material-ocean.
xml mode: Provide a more abstract way to query context, which other modes for XML-like languages can also implement.