chore(changelog): 3.1.4

Author: posva

Diff for: CHANGELOG.md

@@ -1,3 +1,19 @@
+## [3.1.4](https://github.com/vuejs/vue-router/compare/v3.1.3...v3.1.4) (2020-01-14)
+
+
+### Bug Fixes
+
+* suppress warning if `pathMatch` is empty ([#3081](https://github.com/vuejs/vue-router/issues/3081)) ([ddc6bc7](https://github.com/vuejs/vue-router/commit/ddc6bc7)), closes [#3072](https://github.com/vuejs/vue-router/issues/3072)
+* **link:** correctly warn wrong v-slot usage ([a150291](https://github.com/vuejs/vue-router/commit/a150291)), closes [#3091](https://github.com/vuejs/vue-router/issues/3091)
+* **location:** add a copy for params with named locations ([#2802](https://github.com/vuejs/vue-router/issues/2802)) ([2b39f5a](https://github.com/vuejs/vue-router/commit/2b39f5a)), closes [#2800](https://github.com/vuejs/vue-router/issues/2800) [#2938](https://github.com/vuejs/vue-router/issues/2938) [#2938](https://github.com/vuejs/vue-router/issues/2938)
+
+
+### Features
+
+* **history:** preserve existing history.state ([c0d3376](https://github.com/vuejs/vue-router/commit/c0d3376)), closes [#3006](https://github.com/vuejs/vue-router/issues/3006)
+
+
+
 ## [3.1.3](https://github.com/vuejs/vue-router/compare/v3.1.2...v3.1.3) (2019-08-30)
 
 ### Bug Fixes