There are numerous instances where a single buildpack falls short in app building, for instance when working on a NodeJS app with a PHP backend. We are thrilled to announce the global and immediate availability of Multi-Buildpacks for all app sizes, including our Free tier. The Multi-Buildpack feature allows you to: Alongside the introduction of multi-buildpacks, we're expanding support for Add-on buildpacks (such as APT, Static, or the newly introduced FFmpeg buildpacks).