These are all the extensions I could find that refer to phabricator/Arcanist:

- https://marketplace.visualstudio.com/items?itemName=jdxcode.arcanist-vscode
  - Format file by arc-lint
  - Last update 11-2019
- https://marketplace.visualstudio.com/items?itemName=christianvuerings.vscode-phabricator
  - Autocomplete users and projects
  - List accepted diffs with build status
  - Notify about ready to land diffs
  - Good as editor for arc-diff message
  - Last update 07-2020
- https://marketplace.visualstudio.com/items?itemName=PranaySingh.phabview
  - generate diffusion link, copy to clipboard
  - Last update 02-2020
- https://marketplace.visualstudio.com/items?itemName=mezzode.arc-browse
  - runs arc browse ?
  - Last update 02-2019
- https://marketplace.visualstudio.com/items?itemName=matt-good.phabricator-links
  - converts `T1234`, etc., to a hyperlink
  - Last update 03-2018