v25

• Pick up the latest upstream security updates for all stacks.

v24

• Pick up the latest upstream security updates for all stacks.
• Add libonig to heroku-16 and heroku-18 (#152)

v23

• Pick up the latest upstream security updates for all stacks.
• Update postgresql-client, postgresql-server-dev and libpq to PG12 (#151)

v22

• Pick up the latest upstream security updates for all stacks.
• Add cmake package to the Heroku-16 and Heroku-18 build image variants.

v21

• Pick up the latest upstream security updates for all stacks.
• Add libmcrypt4 to cedar-14 (#149)

v20

• Pick up the latest upstream security updates for all stacks.
• Pin libpq5 and libpq-dev to the PostgreSQL 11 major release (#148)

Note: v19 had previously been rolled back temporarily (due to compatibility issues with the libpq of PostgreSQL 12), so this release will also make the other changes there (such as the addition of libc-client2007e) available for the first time.

v19

• Pick up the latest upstream security updates for all stacks.
• Add libc-client2007e to all stacks (#146).

v18

• Pick up the latest upstream security updates for all stacks.

Note: v17 had previously been rolled back temporarily, so this release will also make the VCS tools additions there be available for the first time.

v17

• Add Bzr, Git and Mercurial VCS tools to the heroku-16/18 build image variants.
• Pick up the latest upstream security updates for all stacks.

v16

Regular update to get the latest security fixes.