Create 2025-08-04.mdx

add Log Explorer changelog entry for supporting header and cookie custom fields

Author: jsells1

src/content/changelog/log-explorer/2025-08-04.mdx

@@ -0,0 +1,11 @@
+---
+title: Logging headers or cookies
+description: Log Explorer now supports logging and querying header and cookie fields
+date: 2025-08-04
+---
+
+[Log Explorer](/log-explorer/) now supports logging and filtering on header or cookie fields in the http_request dataset.
+
+Create a custom field to log desired header or cookie values into the http_requests dataset and Log Explorer will import these as searchable fields. Once configired, use the custom SQL editor in Log Explorer to view or filter on these requests.
+
+For more details, refer to [our documentation](/log-explorer/log-search/#headers-and-cookies).