v3.1.4

Bug Fixes

• suppress warning if pathMatch is empty (#3081) (ddc6bc7), closes #3072
• link: correctly warn wrong v-slot usage (a150291), closes #3091
• location: add a copy for params with named locations (#2802) (2b39f5a), closes #2800 #2938 #2938

Features

• history: preserve existing history.state (c0d3376), closes #3006