fix: authentication pipeline returning wrong user

Author: nijel

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [4.8.5](https://github.com/python-social-auth/social-core/releases/tag/4.8.5) - 2026-02-10
+
+### Changed
+
+- Fixed partial pipeline handling for unauthenticated users
+
 ## [4.8.4](https://github.com/python-social-auth/social-core/releases/tag/4.8.4) - 2026-02-10
 
 ### Changed

pyproject.toml

@@ -59,7 +59,7 @@ license-files = ["LICENSE"]
 name = "social-auth-core"
 readme = "README.md"
 requires-python = ">=3.10"
-version = "4.8.4"
+version = "4.8.5"
 
 [project.optional-dependencies]
 all = [

social_core/actions.py

@@ -62,7 +62,7 @@ def do_complete(  # noqa: C901,PLR0912
         user if is_authenticated else None
     )
 
-    partial = partial_pipeline_data(backend, user, *args, **kwargs)
+    partial = partial_pipeline_data(backend, authenticated_user, *args, **kwargs)
     if partial:
         authenticated_user = backend.continue_pipeline(partial)
         # clean partial data after usage