Fly Changelog for 29th May

This is the Fly Changelog where we list all significant changes to the Fly platform, tooling and web sites. This week, pause/resume arrives for applications and a quicker way to view your Fly apps.

You can get the Changelog in the blog or through an RSS feed of just changelog updates available on There’s also a dedicated ChangeLog page with all the recent updates.

Most of this week’s changelog items are covered in an recent article Fly - Now with Power Pause. There’s also updates to the Deno Buildpack.

28th May 2020

flyctl: Version 0.0.124 released

  • New flyctl apps pause and flyctl apps resume commands - Instructs the Fly platform to pause (remove all running instances) and resume (start up one running instance) of an application.
  • New flyctl regions set - allows for the complete replacement of the regions in the region pool list.
  • New option -v or --verbose. Where supported, will produce more detailed output from commands. For example, regions commands will now only output a single line list of region codes for the region pool. Adding -v to the command will list the regions as a table with human readable location names.
  • Enhancement flyctl apps list now displays each applications status

Fly Platform/Web

  • Fix - Deno Buildpack (See Deno on Fly using Buildpacks) Now supports unstable Deno builds. Add .unstable to your application directory to enable it.

18th May 2020

flyctl: Version 0.0.123 released

  • New flyctl open command - looks up the currently deployed application’s hostname instructs a web browser to open that URL.