variable in a few of them have been removed using the new calling
convention.
+ * The reftable sub-system grew a new reftable-specific strbuf
+ replacement to reduce its dependency on Git-specific data
+ structures.
+
+ * The ref-filter machinery learns to recognize and avoid cases where
+ sorting would be redundant.
+
Fixes since v2.47
-----------------
(merge 41869f7447 ak/typofixes later to maint).
(merge f1eea0b620 ak/typofix later to maint).
(merge dcd590a39d bf/t-readme-mention-reftable later to maint).
+ (merge 52acf6771b kh/submitting-patches later to maint).
+ (merge a73070fbd4 ks/t4205-fixup later to maint).
+ (merge 9e362dd060 co/t6050-pipefix later to maint).
+ (merge 91687cd13f sk/t7011-cleanup later to maint).