Heroku-18 and Heroku-20 Stack Images Updated

Change effective on 06 June 2022

We have updated the heroku-18 and heroku-20 stack images to pick up security fixes in upstream packages. The new stack images will be rolled out automatically over the next 24 hours. You do not need to redeploy your app or manually restart your dynos.

See this Dev Center article for an overview of the packages available in each stack image.

Changelog of packages

The following packages have been changed; a separate section for each stack (if applicable) lists packages that are only available at build time, but not at runtime.

Stack: heroku-18

  • Updated imagemagick from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13
  • Updated imagemagick-6-common from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13
  • Updated imagemagick-6.q16 from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13
  • Updated libcups2 from version 2.2.7-1ubuntu2.8 to 2.2.7-1ubuntu2.9
  • Updated libcupsimage2 from version 2.2.7-1ubuntu2.8 to 2.2.7-1ubuntu2.9
  • Updated libmagickcore-6.q16-3 from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13
  • Updated libmagickcore-6.q16-3-extra from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13
  • Updated libmagickwand-6.q16-3 from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13

Updates to packages available at build time only

  • Updated libcups2-dev from version 2.2.7-1ubuntu2.8 to 2.2.7-1ubuntu2.9
  • Updated libcupsimage2-dev from version 2.2.7-1ubuntu2.8 to 2.2.7-1ubuntu2.9
  • Updated libmagickcore-6-arch-config from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13
  • Updated libmagickcore-6-headers from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13
  • Updated libmagickcore-6.q16-dev from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13
  • Updated libmagickwand-6-headers from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13
  • Updated libmagickwand-6.q16-dev from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13
  • Updated libmagickwand-dev from version 8:6.9.7.4+dfsg-16ubuntu6.12 to 8:6.9.7.4+dfsg-16ubuntu6.13

Stack: heroku-20

  • Updated libcups2 from version 2.3.1-9ubuntu1.1 to 2.3.1-9ubuntu1.2

Updates to packages available at build time only

None