New Features

• feat(renderScaffold): deepMerge frontMatter of post and scaffold by @uiolee in https://github.com/hexojs/hexo/pull/5472
• feat: add option to use slug as title of post by @uiolee in https://github.com/hexojs/hexo/pull/5470
• feat(helper/toc): specify maximum number of items to output by @KentarouTakeda in https://github.com/hexojs/hexo/pull/5487

Fixes

• Revert "refactor: backslashes on Windows (#5457)" by @stevenjoezhang in https://github.com/hexojs/hexo/pull/5481

Performances

• perf(processor/post): improve processing speed when config.post_asset_folder is enabled by @yoshinorin in https://github.com/hexojs/hexo/pull/5473

Test

• Revert "test: add test case for issue #4334" by @D-Sketon in https://github.com/hexojs/hexo/pull/5475

CI

• ci(comment): fix wrong condition by @uiolee in https://github.com/hexojs/hexo/pull/5471

Misc

• build: upgrade ecmascript version by @uiolee in https://github.com/hexojs/hexo/pull/5507

Full Changelog

https://github.com/hexojs/hexo/compare/v7.2.0...v7.3.0