diff --git a/src/youtube/stream_extractor.rs b/src/youtube/stream_extractor.rs
index 44c47e4..f71a61a 100644
--- a/src/youtube/stream_extractor.rs
+++ b/src/youtube/stream_extractor.rs
@@ -77,9 +77,15 @@ pub struct ExtractOptions {
 impl Default for ExtractOptions {
     fn default() -> Self {
         Self {
-            // visionOS ON by default — the real app path must fetch it on every
-            // open (Cobb, Loop-2 audit), matching upstream.
-            fetch_visionos_client: true,
+            // visionOS OFF by default (2026-07-29 outage fix). visionOS unlocks
+            // adaptive video-only + separate-audio streams + a VOD HLS manifest,
+            // but the Straw app has no working adaptive/HLS playback path — it
+            // has only ever received the muxed 360p stream — so those streams
+            // don't play and video playback breaks. Upstream NPE runs visionOS
+            // unconditionally; we can't re-enable until the client handles its
+            // output (fix + verify the app's adaptive path via the NPE
+            // differential harness first).
+            fetch_visionos_client: false,
             fetch_ios_client: false,
             android_streaming_pot: None,
             ios_streaming_pot: None,