Merge remote-tracking branch 'upstream/main' into swap_fast

Author: Fidget-Spinner

.github/workflows/lint.yml

@@ -22,7 +22,4 @@ jobs:
       - uses: actions/checkout@v4
         with:
           persist-credentials: false
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.x"
-      - uses: pre-commit/action@v3.0.1
+      - uses: j178/prek-action@v1

.github/zizmor.yml

@@ -1,4 +1,4 @@
-# Configuration for the zizmor static analysis tool, run via pre-commit in CI
+# Configuration for the zizmor static analysis tool, run via prek in CI
 # https://woodruffw.github.io/zizmor/configuration/
 rules:
   dangerous-triggers:

Doc/whatsnew/3.15.rst

@@ -428,6 +428,13 @@ argparse
   inline code when color output is enabled.
   (Contributed by Savannah Ostrowski in :gh:`142390`.)
 
+base64 & binascii
+-----------------
+
+* CPython's underlying base64 implementation now encodes 2x faster and decodes 3x
+  faster thanks to simple CPU pipelining optimizations.
+  (Contributed by Gregory P. Smith & Serhiy Storchaka in :gh:`143262`.)
+
 calendar
 --------