* $page is missing at 404 page ([#388](https://github.com/vuejs/vuepress/issues/388)) ([cefc8c3](https://github.com/vuejs/vuepress/commit/cefc8c3))
* avoid the searchbox exceeded out of screen in narrow screen ([#254](https://github.com/vuejs/vuepress/issues/254)) ([8f04081](https://github.com/vuejs/vuepress/commit/8f04081))
* code looks not good at small sreen (close: [#350](https://github.com/vuejs/vuepress/issues/350)) ([6514c8f](https://github.com/vuejs/vuepress/commit/6514c8f))
* code looks not good at small sreen (close: [#350](https://github.com/vuejs/vuepress/issues/350)) ([d0ef06f](https://github.com/vuejs/vuepress/commit/d0ef06f))
* dropdown overlap due to word wrapping (close: [#359](https://github.com/vuejs/vuepress/issues/359)) ([#360](https://github.com/vuejs/vuepress/issues/360)) ([c65a8b7](https://github.com/vuejs/vuepress/commit/c65a8b7))
* duplicate slash when docs dir is not set ([#361](https://github.com/vuejs/vuepress/issues/361)) ([0c59ed5](https://github.com/vuejs/vuepress/commit/0c59ed5))
* emoji doesn't work in toc (close: [#417](https://github.com/vuejs/vuepress/issues/417)) ([#418](https://github.com/vuejs/vuepress/issues/418)) ([1b9012e](https://github.com/vuejs/vuepress/commit/1b9012e))
* ensure `<script>` blocks in SFCs in node_modules are transpiled ([4bf56d7](https://github.com/vuejs/vuepress/commit/4bf56d7))
* glob patterns error on windows (close: [#348](https://github.com/vuejs/vuepress/issues/348)) ([#400](https://github.com/vuejs/vuepress/issues/400)) ([ab53998](https://github.com/vuejs/vuepress/commit/ab53998))
* highlight active link ([#272](https://github.com/vuejs/vuepress/issues/272)) doesn't work with non-EN hash. ([a51a31b](https://github.com/vuejs/vuepress/commit/a51a31b))
* highlight line issue for empty lines ([bc15841](https://github.com/vuejs/vuepress/commit/bc15841))
* highlight lines are cut when sliding ([#437](https://github.com/vuejs/vuepress/issues/437)) ([66bd797](https://github.com/vuejs/vuepress/commit/66bd797))
* image overflow at custom content (close: [#381](https://github.com/vuejs/vuepress/issues/381)) ([#383](https://github.com/vuejs/vuepress/issues/383)) ([145cf4f](https://github.com/vuejs/vuepress/commit/145cf4f))
* index file judgement bug (close: [#306](https://github.com/vuejs/vuepress/issues/306)) ([#308](https://github.com/vuejs/vuepress/issues/308)) ([fefa16c](https://github.com/vuejs/vuepress/commit/fefa16c))
* missing css source map at dev environment ([#460](https://github.com/vuejs/vuepress/issues/460)) ([d3025e5](https://github.com/vuejs/vuepress/commit/d3025e5))
* missing title and desc in 404 and custom theme. ([fcaee80](https://github.com/vuejs/vuepress/commit/fcaee80))
* nav link highlight issue with i18n (close: [#445](https://github.com/vuejs/vuepress/issues/445)) ([596014f](https://github.com/vuejs/vuepress/commit/596014f))
* resolve custom theme from global cli (close: [#392](https://github.com/vuejs/vuepress/issues/392)) ([#399](https://github.com/vuejs/vuepress/issues/399)) ([01142df](https://github.com/vuejs/vuepress/commit/01142df))
* title cannot be number at front matter ([#297](https://github.com/vuejs/vuepress/issues/297)) ([5023d19](https://github.com/vuejs/vuepress/commit/5023d19))
* unexpected scroll behavior after clicking sidebar links ([#298](https://github.com/vuejs/vuepress/issues/298)) ([6081a3d](https://github.com/vuejs/vuepress/commit/6081a3d))
* unexpected top blank space when navbar is disable ([#316](https://github.com/vuejs/vuepress/issues/316)) ([2bdc68e](https://github.com/vuejs/vuepress/commit/2bdc68e))
* unexpected warning when using non-ASCII chars as filename. ([530912e](https://github.com/vuejs/vuepress/commit/530912e))
* upgrade webpack-serve and avoid port conflict (close [#424](https://github.com/vuejs/vuepress/issues/424)) ([#425](https://github.com/vuejs/vuepress/issues/425)) ([22ffe52](https://github.com/vuejs/vuepress/commit/22ffe52))
* use v-for with key ([#438](https://github.com/vuejs/vuepress/issues/438)) ([2076f7b](https://github.com/vuejs/vuepress/commit/2076f7b))
### Features
* bump up webpack to 4.8.1 (close: [#309](https://github.com/vuejs/vuepress/issues/309)) ([9e3f005](https://github.com/vuejs/vuepress/commit/9e3f005))
* code line numbers (close: [#365](https://github.com/vuejs/vuepress/issues/365)) ([#379](https://github.com/vuejs/vuepress/issues/379)) ([9b42690](https://github.com/vuejs/vuepress/commit/9b42690))
* generate the timestamp of last updated for each doc (close [#258](https://github.com/vuejs/vuepress/issues/258)) ([#282](https://github.com/vuejs/vuepress/issues/282)) ([d9b290b](https://github.com/vuejs/vuepress/commit/d9b290b))
* hide edit link by page (close: [#284](https://github.com/vuejs/vuepress/issues/284)) ([#286](https://github.com/vuejs/vuepress/issues/286)) ([d46819c](https://github.com/vuejs/vuepress/commit/d46819c))
* highlight current region in sidebar ([#272](https://github.com/vuejs/vuepress/issues/272)) ([6b6d268](https://github.com/vuejs/vuepress/commit/6b6d268))
* last updated UI in default theme. ([#338](https://github.com/vuejs/vuepress/issues/338)) ([272df57](https://github.com/vuejs/vuepress/commit/272df57))
* make code type insensitive (close: [#347](https://github.com/vuejs/vuepress/issues/347)) ([5e87b65](https://github.com/vuejs/vuepress/commit/5e87b65))
* show OutboundLink icon for external links ([#428](https://github.com/vuejs/vuepress/issues/428)) ([942a2b9](https://github.com/vuejs/vuepress/commit/942a2b9))
* support disable navbar globally ([#246](https://github.com/vuejs/vuepress/issues/246)) ([e725ad2](https://github.com/vuejs/vuepress/commit/e725ad2))
* support global markdown config for attributes of external links ([#358](https://github.com/vuejs/vuepress/issues/358)) ([20e5bd8](https://github.com/vuejs/vuepress/commit/20e5bd8))
* support render $page.excerpt to HTML (close: [#458](https://github.com/vuejs/vuepress/issues/458)) ([9510b9f](https://github.com/vuejs/vuepress/commit/9510b9f))
* support style lang postcss (close: [#461](https://github.com/vuejs/vuepress/issues/461)) ([881199a](https://github.com/vuejs/vuepress/commit/881199a))
* using babel and support JSX in vue. (close: [#318](https://github.com/vuejs/vuepress/issues/318)) ([#336](https://github.com/vuejs/vuepress/issues/336)) ([82cd8bd](https://github.com/vuejs/vuepress/commit/82cd8bd))
### Performance Improvements
* vastly improve rebuild perf with caching ([dfdc00c](https://github.com/vuejs/vuepress/commit/dfdc00c))
