See https://blog.travis-ci.com/2020-08-10-focal-build-environment and https://docs.travis-ci.com/user/reference/focal/ Highlights: - Java 10 and Java 11 (and common builds tools: gradle, maven, groovy) (see also #1350 and #1158) - PostgreSQL 12.2 - MySQL 8.0.21 (see also #1017 and #1184) - Python 3.6