Josh Sullivan
Senior Manager, Software Engineering at Heroku
Heroku Staff
- Ecosystem, Engineering
- Last Updated: March 17, 2026
- Juan Bustamante, Josh Sullivan
Most developers never see the 11 pack releases we shipped in the last 14 months as pack CLI maintainers. That’s actually a good sign—it means the infrastructure just works. When a critical vulnerability emerges requiring an immediate upgrade, the fix is shipped within days.
Here’s what most developers don’t see: that same security patch now protects every buildpack user across Heroku, Google Cloud, Openshift, VMware Tanzu, and thousands of internal platforms.
The daily work of …
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