6.3.0
Switch to picocolors (#4825)
feat(tag/code): add `language_attr` option (hexojs/hexo-util#278) (#5017)
fix(#5053): exclude data-uri image for og:image (#5053)
feat(extend/injector): bring up new extend Injector (#4049)
Merge pull request #4781 from kristofzerbe/master
fix(#4917): suppress YAMLException when load js-yaml (#4927)