Bug fixes
- Make CachedGauge thread-safe (#1566)
Dependency updates
- Bump jaxb-runtime from 2.3.2 to 2.3.3 (#1570)
- Bump jdbi3-core from 3.12.2 to 3.13.0 (#1567)
- Bump jetty9.version from 9.4.27.v20200227 to 9.4.28.v20200408 (#1563)
- Bump log4j2.version from 2.13.1 to 2.13.2 (#1569)
- Bump maven-shade-plugin from 3.2.2 to 3.2.3 (#1564)
Assorted
- Fix typo in core.rst (#1568)