The 12th batch

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Junio C Hamano committed Jun 7, 2026 at 23:58 UTC 600fe743028cbfb640855f659e9851522214bc0b
1 file changed +24
Documentation/RelNotes/2.55.0.adoc
+24
@@ -122,6 +122,19 @@ Performance, Internal Implementation, Development Support etc.
122 converted to a "service" enum to improve type safety and clarify its
123 purpose.
124
125 + * 'git restore --staged' has been optimized to avoid unnecessarily expanding
126 + the sparse index when operating on paths within the sparse checkout
127 + definition, by handling sparse directory entries at the tree level.
128 +
129 + * "git stash -p" has been optimized by reusing cached index
130 + entries in its temporary index, avoiding unnecessary lstat()
131 + calls on unchanged files.
132 +
133 + * The check for non-stale commits in the priority queue used by
134 + `paint_down_to_common` and `ahead_behind` has been optimized by
135 + replacing an O(N) scan with an O(1) counter, yielding performance
136 + improvements in repositories with wide histories.
137 +
138
139 Fixes since v2.54
140 -----------------
@@ -241,6 +254,16 @@ Fixes since v2.54
254 day before the specified time, which has been corrected.
255 (merge b809304101 ta/approxidate-noon-fix later to maint).
256
257 + * The GIT_WORK_TREE variable prepared to invoke the push-to-checkout
258 + hook was leaking into the environment even when there was no hook
259 + used and broke the default push-to-deploy (i.e., let "git checkout"
260 + update the working tree only when the working tree is clean).
261 + (merge 44d04e4426 ar/receive-pack-worktree-env later to maint).
262 +
263 + * A batch of documentation pages has been updated to use the modern
264 + synopsis style.
265 + (merge 2ef248ae45 ja/doc-synopsis-style-again later to maint).
266 +
267 * Other code cleanup, docfix, build fix, etc.
268 (merge 80f4b802e9 ja/doc-difftool-synopsis-style later to maint).
269 (merge b96490241e jc/doc-timestamps-in-stat later to maint).
@@ -262,3 +285,4 @@ Fixes since v2.54
285 (merge d9982e8290 ed/check-connected-close-err-fd-2.53 later to maint).
286 (merge 1740cc35d0 ed/check-connected-close-err-fd later to maint).
287 (merge f4d7eb3d1c sp/doc-range-diff-takes-notes later to maint).
288 + (merge 83e7f3bd2b kh/free-commit-list later to maint).