Heroku-18 and Heroku-20 Stack Images Updated

Change effective on 24 May 2021

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 libdjvulibre-text from version 3.5.27.1-8ubuntu0.2 to 3.5.27.1-8ubuntu0.3
  • Updated libdjvulibre21 from version 3.5.27.1-8ubuntu0.2 to 3.5.27.1-8ubuntu0.3
  • Updated libpq5 from version 13.2-1.pgdg18.04+1 to 13.3-1.pgdg18.04+1
  • Updated postgresql-client-13 from version 13.2-1.pgdg18.04+1 to 13.3-1.pgdg18.04+1
  • Updated postgresql-client-common from version 225.pgdg18.04+1 to 226.pgdg18.04+1

Updates to packages available at build time only

  • Updated libdjvulibre-dev from version 3.5.27.1-8ubuntu0.2 to 3.5.27.1-8ubuntu0.3
  • Updated libpq-dev from version 13.2-1.pgdg18.04+1 to 13.3-1.pgdg18.04+1
  • Updated postgresql-common from version 225.pgdg18.04+1 to 226.pgdg18.04+1
  • Updated postgresql-server-dev-13 from version 13.2-1.pgdg18.04+1 to 13.3-1.pgdg18.04+1
  • Added libjson-perl version 2.97001-1

Stack: heroku-20

  • Updated libdjvulibre-text from version 3.5.27.1-14build1 to 3.5.27.1-14ubuntu0.1
  • Updated libdjvulibre21 from version 3.5.27.1-14build1 to 3.5.27.1-14ubuntu0.1
  • Updated libpq5 from version 13.2-1.pgdg20.04+1 to 13.3-1.pgdg20.04+1
  • Updated libssl1.1 from version 1.1.1f-1ubuntu2.3 to 1.1.1f-1ubuntu2.4
  • Updated openssl from version 1.1.1f-1ubuntu2.3 to 1.1.1f-1ubuntu2.4
  • Updated postgresql-client-13 from version 13.2-1.pgdg20.04+1 to 13.3-1.pgdg20.04+1
  • Updated postgresql-client-common from version 225.pgdg20.04+1 to 226.pgdg20.04+1

Updates to packages available at build time only

  • Updated libdjvulibre-dev from version 3.5.27.1-14build1 to 3.5.27.1-14ubuntu0.1
  • Updated libpq-dev from version 13.2-1.pgdg20.04+1 to 13.3-1.pgdg20.04+1
  • Updated libssl-dev from version 1.1.1f-1ubuntu2.3 to 1.1.1f-1ubuntu2.4
  • Updated postgresql-common from version 225.pgdg20.04+1 to 226.pgdg20.04+1
  • Updated postgresql-server-dev-13 from version 13.2-1.pgdg20.04+1 to 13.3-1.pgdg20.04+1
  • Added libjson-perl version 4.02000-2