From d65f09b913fc1805d6efcc8f49663db432a54a15 Mon Sep 17 00:00:00 2001
From: Dylan Hurd <dylan.hurd@openai.com>
Date: Mon, 9 Feb 2026 15:14:15 -0800
Subject: [PATCH] fix(feature) UnderDevelopment feature must be off (#11242)

## Summary
1. Bump RemoteModels to Stable
2. Assert that all UnderDevelopment features are off by default

## Testing
- [x] Added unit test
---
 codex-rs/core/src/features.rs | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/codex-rs/core/src/features.rs b/codex-rs/core/src/features.rs
index 976cad0f9..5b0b78d0b 100644
--- a/codex-rs/core/src/features.rs
+++ b/codex-rs/core/src/features.rs
@@ -498,7 +498,7 @@ pub const FEATURES: &[FeatureSpec] = &[
     FeatureSpec {
         id: Feature::RemoteModels,
         key: "remote_models",
-        stage: Stage::UnderDevelopment,
+        stage: Stage::Stable,
         default_enabled: true,
     },
     FeatureSpec {
@@ -633,3 +633,23 @@ pub fn maybe_push_unstable_features_warning(
         msg: EventMsg::Warning(WarningEvent { message }),
     });
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    use pretty_assertions::assert_eq;
+
+    #[test]
+    fn under_development_features_are_disabled_by_default() {
+        for spec in FEATURES {
+            if matches!(spec.stage, Stage::UnderDevelopment) {
+                assert_eq!(
+                    spec.default_enabled, false,
+                    "feature `{}` is under development and must be disabled by default",
+                    spec.key
+                );
+            }
+        }
+    }
+}