From c67bb8ac47c0af3ee78ef7f55642a85c701c2565 Mon Sep 17 00:00:00 2001
From: Adrian <adrian@zyte.com>
Date: Sun, 9 Aug 2026 18:15:37 +0200
Subject: [PATCH] Document BROWSER=wslview for open_in_browser under WSL
 (#7965)

---
 scrapy/utils/response.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py
index 7747a7b9b..b3622c159 100644
--- a/scrapy/utils/response.py
+++ b/scrapy/utils/response.py
@@ -90,6 +90,10 @@ def open_in_browser(
         def parse_details(self, response):
             if "item name" not in response.text:
                 open_in_browser(response)
+
+    On the Windows Subsystem for Linux, set the ``BROWSER`` environment
+    variable to `wslview <https://github.com/wslutilities/wslu>`_ to open the
+    response in a Windows browser, which cannot read Linux paths otherwise.
     """
     # circular imports
     from scrapy.http import HtmlResponse, TextResponse  # noqa: PLC0415