From d1987f4d36e420107f5a3d6e7696a6d0446e822f Mon Sep 17 00:00:00 2001
From: I1Kuz <149169119+I1Kuz@users.noreply.github.com>
Date: Mon, 7 Sep 2026 02:13:55 +0200
Subject: [PATCH 1/2] Fix WebSocket 404 for iframe targets and add support for
 cross-origin iframes

---
 zendriver/core/browser.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zendriver/core/browser.py b/zendriver/core/browser.py
index f22bbca..9aec7f7 100644
--- a/zendriver/core/browser.py
+++ b/zendriver/core/browser.py
@@ -230,7 +230,7 @@ async def _handle_target_update(
                 new_target = Tab(
                     (
                         f"ws://{self.config.host}:{self.config.port}"
-                        f"/devtools/{target_info.type_ or 'page'}"  # all types are 'page' internally in chrome apparently
+                        f"/devtools/page"  # all types are 'page' internally in chrome apparently
                         f"/{target_info.target_id}"
                     ),
                     target=target_info,

From 0e52cf6e1e1471ca47fe325af5a972b9b7880020 Mon Sep 17 00:00:00 2001
From: I1Kuz <149169119+I1Kuz@users.noreply.github.com>
Date: Mon, 7 Sep 2026 02:21:19 +0200
Subject: [PATCH 2/2] Update CHANGELOG.md

---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2416a0a..bb223ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed `404 Not Found` WebSocket connection error for `iframe` targets by routing all target connections to `/devtools/page/<target_id>` in `Browser._handle_target_update`.
+
 ### Added
 
 ### Changed