Heroku-18 and Heroku-20 Stack Images Updated

Change effective on 21 February 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 libmysqlclient20 from version 5.7.36-0ubuntu0.18.04.1 to 5.7.37-0ubuntu0.18.04.1
  • Updated libpq5 from version 14.1-1.pgdg18.04+1 to 14.2-1.pgdg18.04+1
  • Updated openssh-client from version 1:7.6p1-4ubuntu0.5 to 1:7.6p1-4ubuntu0.6
  • Updated openssh-server from version 1:7.6p1-4ubuntu0.5 to 1:7.6p1-4ubuntu0.6
  • Updated openssh-sftp-server from version 1:7.6p1-4ubuntu0.5 to 1:7.6p1-4ubuntu0.6
  • Updated postgresql-client-14 from version 14.1-1.pgdg18.04+1 to 14.2-1.pgdg18.04+1
  • Updated postgresql-client-common from version 232.pgdg18.04+1 to 238.pgdg18.04+1
  • Added zstd version 1.3.3+dfsg-2ubuntu1.2

Updates to packages available at build time only

  • Updated libmysqlclient-dev from version 5.7.36-0ubuntu0.18.04.1 to 5.7.37-0ubuntu0.18.04.1
  • Updated libpq-dev from version 14.1-1.pgdg18.04+1 to 14.2-1.pgdg18.04+1
  • Updated postgresql-common from version 232.pgdg18.04+1 to 238.pgdg18.04+1
  • Updated postgresql-server-dev-14 from version 14.1-1.pgdg18.04+1 to 14.2-1.pgdg18.04+1
  • Added libzstd-dev version 1.3.3+dfsg-2ubuntu1.2

Stack: heroku-20

  • Updated base-files from version 11ubuntu5.4 to 11ubuntu5.5
  • Updated bsdutils from version 1:2.34-0.1ubuntu9.1 to 1:2.34-0.1ubuntu9.3
  • Updated fdisk from version 2.34-0.1ubuntu9.1 to 2.34-0.1ubuntu9.3
  • Updated language-pack-en from version 1:20.04+20210802 to 1:20.04+20220211
  • Updated language-pack-en-base from version 1:20.04+20210802 to 1:20.04+20220211
  • Updated libblkid1 from version 2.34-0.1ubuntu9.1 to 2.34-0.1ubuntu9.3
  • Updated libfdisk1 from version 2.34-0.1ubuntu9.1 to 2.34-0.1ubuntu9.3
  • Updated libmount1 from version 2.34-0.1ubuntu9.1 to 2.34-0.1ubuntu9.3
  • Updated libmysqlclient21 from version 8.0.27-0ubuntu0.20.04.1 to 8.0.28-0ubuntu0.20.04.3
  • Updated libpq5 from version 14.1-2.pgdg20.04+1 to 14.2-1.pgdg20.04+1
  • Updated libsmartcols1 from version 2.34-0.1ubuntu9.1 to 2.34-0.1ubuntu9.3
  • Updated libuuid1 from version 2.34-0.1ubuntu9.1 to 2.34-0.1ubuntu9.3
  • Updated linux-libc-dev from version 5.4.0-97.110 to 5.4.0-100.113
  • Updated mount from version 2.34-0.1ubuntu9.1 to 2.34-0.1ubuntu9.3
  • Updated postgresql-client-14 from version 14.1-2.pgdg20.04+1 to 14.2-1.pgdg20.04+1
  • Updated postgresql-client-common from version 232.pgdg20.04+1 to 238.pgdg20.04+1
  • Updated util-linux from version 2.34-0.1ubuntu9.1 to 2.34-0.1ubuntu9.3
  • Added liblzf1 version 3.6-2~ubuntu1.20.04.2
  • Added zstd version 1.4.4+dfsg-3ubuntu0.1

Updates to packages available at build time only

  • Updated libarchive13 from version 3.4.0-2ubuntu1 to 3.4.0-2ubuntu1.1
  • Updated libblkid-dev from version 2.34-0.1ubuntu9.1 to 2.34-0.1ubuntu9.3
  • Updated libmount-dev from version 2.34-0.1ubuntu9.1 to 2.34-0.1ubuntu9.3
  • Updated libmysqlclient-dev from version 8.0.27-0ubuntu0.20.04.1 to 8.0.28-0ubuntu0.20.04.3
  • Updated libpq-dev from version 14.1-2.pgdg20.04+1 to 14.2-1.pgdg20.04+1
  • Updated postgresql-common from version 232.pgdg20.04+1 to 238.pgdg20.04+1
  • Updated postgresql-server-dev-14 from version 14.1-2.pgdg20.04+1 to 14.2-1.pgdg20.04+1
  • Updated uuid-dev from version 2.34-0.1ubuntu9.1 to 2.34-0.1ubuntu9.3
  • Added liblzf-dev version 3.6-2~ubuntu1.20.04.2
  • Added libzstd-dev version 1.4.4+dfsg-3ubuntu0.1