5.0.1

Changes

• fix(helpers): call url_for from hexo-util @curbengh [#4447]
  • helpers are now accessible from APIs such as Injector
• perf(external_link): update regexp @SukkaW [#4467]
  • regex of external_link filter now pre-match external links, instead of solely rely on isExternalLink
• perf(injector): shorthand optimization @SukkaW [#4462]