diff --git a/identity/tests/did-cache_test.ts b/identity/tests/did-cache_test.ts
index fc3f1f5..c1f48cb 100644
--- a/identity/tests/did-cache_test.ts
+++ b/identity/tests/did-cache_test.ts
@@ -83,7 +83,8 @@ Deno.test({
 
     // let's mess with the cached doc so we get something different
     didCache.cacheDid(did, { ...doc, id: "did:example:alice" });
-    await wait(1);
+    // Wait longer than staleTTL (1ms) to ensure entry becomes stale
+    await wait(5);
 
     // first check the cache & see that we have the stale value
     const cached = shortCacheResolver.cache?.checkCache(did);
@@ -112,7 +113,8 @@ Deno.test({
 
     // again, we mess with the cached doc so we get something different
     didCache.cacheDid(did, { ...doc, id: "did:example:alice" });
-    await wait(1);
+    // Wait longer than maxTTL (1ms) to ensure entry expires
+    await wait(5);
 
     // see that the resolver does not return expired value & instead force refreshes
     const staleGet = await shortExpireResolver.resolve(did);
diff --git a/xrpc-server/mod.ts b/xrpc-server/mod.ts
index a4b907d..68ec262 100644
--- a/xrpc-server/mod.ts
+++ b/xrpc-server/mod.ts
@@ -19,6 +19,11 @@
  * Works with Deno, Node.js, Bun, Cloudflare Workers, and other JavaScript runtimes
  * supported by Hono.
  *
+ * Note: Subscription (WebSocket) endpoints are currently supported only in Deno
+ * and Cloudflare Workers. On Node.js and Bun, query/procedure routes function
+ * normally, but subscription endpoints are not yet available (WebSocket upgrades
+ * will be rejected or unmounted).
+ *
  * @example Basic server setup with a simple endpoint
  * ```ts
  * import { createServer } from "jsr:@atp/xrpc-server";
diff --git a/xrpc-server/tests/subscriptions_test.ts b/xrpc-server/tests/subscriptions_test.ts
index 745bb01..0d30093 100644
--- a/xrpc-server/tests/subscriptions_test.ts
+++ b/xrpc-server/tests/subscriptions_test.ts
@@ -460,6 +460,10 @@ Deno.test("subscription consumer reconnects w/ param update", async () => {
       }
     }
 
+    // Allow internal subscription cleanup (heartbeat interval & socket close) to settle
+    // so Deno's leak detector doesn't flag the pending timer from the generator's wait(0).
+    await new Promise((r) => setTimeout(r, 0));
+
     // Ensure we actually received the expected early messages
     assertEquals(messagesReceived >= 2, true);
   } finally {