Update changelogs from fern repo (#5092)

Co-authored-by: dsinghvi <10870189+dsinghvi@users.noreply.github.com>

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2026-04-22.mdx

@@ -1,3 +1,25 @@
+## 4.86.2
+**`(fix):`** Gate the consolidation of top-level OpenAPI servers into a single multi-URL
+environment behind a new setting, `multi-server-strategy`, with values
+`environment-per-server` (default) and `urls-per-environment`. Previously
+(since 4.71.4) any spec where endpoint-level `servers:` overrides referenced
+top-level `x-fern-server-name` values would collapse all top-level servers
+into one environment, silently removing named environment constants
+(e.g. `Environment.AGENT`) from generated SDKs. The old pre-4.71.4 behavior
+of emitting one environment per top-level server is now restored by default;
+customers who want the Box-style "one logical environment with multiple
+named base URLs" behavior can opt in by setting
+`multi-server-strategy: urls-per-environment` under
+`api.specs[].settings`.
+
+
+**`(fix):`** Fix WebSocket base URLs silently overwriting HTTP base URLs when both share
+the same `x-fern-server-name` (OpenAPI + AsyncAPI) inside a consolidated
+environment. Colliding WebSocket URLs are now suffixed with their protocol
+(e.g. `Agent_wss`) so both the HTTP and WSS URLs remain addressable. Only
+applies when `multi-server-strategy: urls-per-environment` is set.
+
+
 ## 4.86.1
 **`(chore):`** When an OpenAPI endpoint has multiple request and response examples that cannot be paired by matching `summary` fields, the CLI now emits a warning explaining which response example had no match and how to fix it, rather than silently producing an extra example with an empty request body.