What's Changed
* feat: implement Display for Expr by parkma99 in https://github.com/GreptimeTeam/promql-parser/pull/69
* feat: prettier trait by yuanbohan in https://github.com/GreptimeTeam/promql-parser/pull/72
New Contributors
* parkma99 made their first contribution in https://github.com/GreptimeTeam/promql-parser/pull/69
**Full Changelog**: https://github.com/GreptimeTeam/promql-parser/compare/v0.1.3...v0.1.4