Add change log notes for release v18.8.1
+## v18.8.1
+
+* Web UI
+ * **New** Tap UI makes it possible to query & inspect requests from the browser!
+* Proxy
+ * **New** Automatic, transparent HTTP/2 multiplexing of HTTP/1 traffic
+ reduces the cost of short-lived HTTP/1 connections
+* Control Plane
+ * **Improved** `linkerd inject` now supports injecting all resources in a folder
+ * **Fixed** `linkerd tap` no longer crashes when there are many pods
+ * **New** Prometheus now only scrapes proxies belonging to its own linkerd install
+ * **Fixed** Prometheus metrics collection for clusters with >100 pods
+
+Special thanks to @ihcsim for contributing the `inject` improvement!
+
## v18.7.3
Linkerd2 v18.7.3 completes the rebranding from Conduit to Linkerd2, and improves
