diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fcfd138..a940997 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@
   ci-config:
     runs-on: ubuntu-latest
     outputs:
-      enabled: ${{ steps.check-ref.outputs.enabled }}
+      enabled: ${{ steps.check-ref.outputs.enabled }}${{ steps.skip-if-redundant.outputs.enabled }}
     steps:
       - name: try to clone ci-config branch
         run: |
@@ -34,6 +34,43 @@
             enabled=no
           fi
           echo "::set-output name=enabled::$enabled"
+      - name: skip if the commit or tree was already tested
+        id: skip-if-redundant
+        uses: actions/github-script@v3
+        if: steps.check-ref.outputs.enabled == 'yes'
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          script: |
+            // Figure out workflow ID, commit and tree
+            const { data: run } = await github.actions.getWorkflowRun({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              run_id: context.runId,
+            });
+            const workflow_id = run.workflow_id;
+            const head_sha = run.head_sha;
+            const tree_id = run.head_commit.tree_id;
+
+            // See whether there is a successful run for that commit or tree
+            const { data: runs } = await github.actions.listWorkflowRuns({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              per_page: 500,
+              status: 'success',
+              workflow_id,
+            });
+            for (const run of runs.workflow_runs) {
+              if (head_sha === run.head_sha) {
+                core.warning(`Successful run for the commit ${head_sha}: ${run.html_url}`);
+                core.setOutput('enabled', ' but skip');
+                break;
+              }
+              if (tree_id === run.head_commit.tree_id) {
+                core.warning(`Successful run for the tree ${tree_id}: ${run.html_url}`);
+                core.setOutput('enabled', ' but skip');
+                break;
+              }
+            }
 
   windows-build:
     needs: ci-config
@@ -154,7 +191,7 @@
         Expand-Archive compat.zip -DestinationPath . -Force
         Remove-Item compat.zip
     - name: add msbuild to PATH
-      uses: microsoft/setup-msbuild@v1.0.0
+      uses: microsoft/setup-msbuild@v1
     - name: copy dlls to root
       shell: powershell
       run: |
diff --git a/Documentation/git-bisect-lk2009.txt b/Documentation/git-bisect-lk2009.txt
index 3ba49e8..f3d9566 100644
--- a/Documentation/git-bisect-lk2009.txt
+++ b/Documentation/git-bisect-lk2009.txt
@@ -473,7 +473,7 @@
 -------------
 
 2) starting from the "good" ends of the graph, associate to each
-commit the number of ancestors it has plus one
+   commit the number of ancestors it has plus one
 
 For example with the following graph where H is the "bad" commit and A
 and D are some parents of some "good" commits:
@@ -514,7 +514,7 @@
 -------------
 
 4) the best bisection point is the commit with the highest associated
-number
+   number
 
 So in the above example the best bisection point is commit C.
 
@@ -580,8 +580,8 @@
 
 Let's also suppose that we have a cleaned up graph like one after step
 1) in the bisection algorithm above. This means that we can measure
-the information we get in terms of number of commit we can remove from
-the graph..
+   the information we get in terms of number of commit we can remove
+   from the graph..
 
 And let's take a commit X in the graph.
 
@@ -689,18 +689,18 @@
 6) sort the commit by decreasing associated value
 
 7) if the first commit has not been skipped, we can return it and stop
-here
+   here
 
 8) otherwise filter out all the skipped commits in the sorted list
 
 9) use a pseudo random number generator (PRNG) to generate a random
-number between 0 and 1
+   number between 0 and 1
 
 10) multiply this random number with its square root to bias it toward
-0
+    0
 
 11) multiply the result by the number of commits in the filtered list
-to get an index into this list
+    to get an index into this list
 
 12) return the commit at the computed index
 
diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index a7f9bc9..6077ff0 100644
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -209,7 +209,7 @@
 	Use \0 as the delimiter for pathnames in the output, and print
 	them verbatim. Without this option, pathnames with "unusual"
 	characters are quoted as explained for the configuration
-	variable core.quotePath (see git-config(1)).
+	variable core.quotePath (see linkgit:git-config[1]).
 
 -o::
 --only-matching::
diff --git a/Documentation/git-init.txt b/Documentation/git-init.txt
index f35f70f..59ecda6 100644
--- a/Documentation/git-init.txt
+++ b/Documentation/git-init.txt
@@ -70,7 +70,7 @@
 +
 If this is reinitialization, the repository will be moved to the specified path.
 
--b <branch-name::
+-b <branch-name>::
 --initial-branch=<branch-name>::
 
 Use the specified name for the initial branch in the newly created repository.
diff --git a/Documentation/git-remote.txt b/Documentation/git-remote.txt
index 9659abb..ea73386 100644
--- a/Documentation/git-remote.txt
+++ b/Documentation/git-remote.txt
@@ -10,7 +10,7 @@
 --------
 [verse]
 'git remote' [-v | --verbose]
-'git remote add' [-t <branch>] [-m <master>] [-f] [--[no-]tags] [--mirror=<fetch|push>] <name> <url>
+'git remote add' [-t <branch>] [-m <master>] [-f] [--[no-]tags] [--mirror=(fetch|push)] <name> <url>
 'git remote rename' <old> <new>
 'git remote remove' <name>
 'git remote set-head' <name> (-a | --auto | -d | --delete | <branch>)
@@ -35,7 +35,7 @@
 -v::
 --verbose::
 	Be a little more verbose and show remote url after name.
-	NOTE: This must be placed between `remote` and `subcommand`.
+	NOTE: This must be placed between `remote` and subcommand.
 
 
 COMMANDS
@@ -46,7 +46,7 @@
 
 'add'::
 
-Adds a remote named <name> for the repository at
+Add a remote named <name> for the repository at
 <url>.  The command `git fetch <name>` can then be used to create and
 update remote-tracking branches <name>/<branch>.
 +
@@ -109,13 +109,13 @@
 +
 With `-a` or `--auto`, the remote is queried to determine its `HEAD`, then the
 symbolic-ref `refs/remotes/<name>/HEAD` is set to the same branch. e.g., if the remote
-`HEAD` is pointed at `next`, "`git remote set-head origin -a`" will set
+`HEAD` is pointed at `next`, `git remote set-head origin -a` will set
 the symbolic-ref `refs/remotes/origin/HEAD` to `refs/remotes/origin/next`. This will
 only work if `refs/remotes/origin/next` already exists; if not it must be
 fetched first.
 +
-Use `<branch>` to set the symbolic-ref `refs/remotes/<name>/HEAD` explicitly. e.g., "git
-remote set-head origin master" will set the symbolic-ref `refs/remotes/origin/HEAD` to
+Use `<branch>` to set the symbolic-ref `refs/remotes/<name>/HEAD` explicitly. e.g., `git
+remote set-head origin master` will set the symbolic-ref `refs/remotes/origin/HEAD` to
 `refs/remotes/origin/master`. This will only work if
 `refs/remotes/origin/master` already exists; if not it must be fetched first.
 +
@@ -127,7 +127,7 @@
 after the initial setup for a remote.
 +
 The named branches will be interpreted as if specified with the
-`-t` option on the 'git remote add' command line.
+`-t` option on the `git remote add` command line.
 +
 With `--add`, instead of replacing the list of currently tracked
 branches, adds to that list.
@@ -181,16 +181,16 @@
 See the PRUNING section of linkgit:git-fetch[1] for what it'll prune
 depending on various configuration.
 +
-With `--dry-run` option, report what branches will be pruned, but do not
+With `--dry-run` option, report what branches would be pruned, but do not
 actually prune them.
 
 'update'::
 
 Fetch updates for remotes or remote groups in the repository as defined by
-remotes.<group>.  If neither group nor remote is specified on the command line,
+`remotes.<group>`. If neither group nor remote is specified on the command line,
 the configuration parameter remotes.default will be used; if
 remotes.default is not defined, all remotes which do not have the
-configuration parameter remote.<name>.skipDefaultUpdate set to true will
+configuration parameter `remote.<name>.skipDefaultUpdate` set to true will
 be updated.  (See linkgit:git-config[1]).
 +
 With `--prune` option, run pruning against all the remotes that are updated.
diff --git a/Makefile b/Makefile
index 5311b1d..95571ee 100644
--- a/Makefile
+++ b/Makefile
@@ -820,8 +820,8 @@
 LIB_FILE = libgit.a
 XDIFF_LIB = xdiff/lib.a
 
-GENERATED_H += config-list.h
 GENERATED_H += command-list.h
+GENERATED_H += config-list.h
 
 LIB_H := $(sort $(patsubst ./%,%,$(shell git ls-files '*.h' ':!t/' ':!Documentation/' 2>/dev/null || \
 	$(FIND) . \
@@ -998,9 +998,9 @@
 LIB_OBJS += split-index.o
 LIB_OBJS += stable-qsort.o
 LIB_OBJS += strbuf.o
-LIB_OBJS += strvec.o
 LIB_OBJS += streaming.o
 LIB_OBJS += string-list.o
+LIB_OBJS += strvec.o
 LIB_OBJS += sub-process.o
 LIB_OBJS += submodule-config.o
 LIB_OBJS += submodule.o
@@ -1066,15 +1066,15 @@
 BUILTIN_OBJS += builtin/checkout.o
 BUILTIN_OBJS += builtin/clean.o
 BUILTIN_OBJS += builtin/clone.o
-BUILTIN_OBJS += builtin/credential-cache.o
-BUILTIN_OBJS += builtin/credential-cache--daemon.o
-BUILTIN_OBJS += builtin/credential-store.o
 BUILTIN_OBJS += builtin/column.o
 BUILTIN_OBJS += builtin/commit-graph.o
 BUILTIN_OBJS += builtin/commit-tree.o
 BUILTIN_OBJS += builtin/commit.o
 BUILTIN_OBJS += builtin/config.o
 BUILTIN_OBJS += builtin/count-objects.o
+BUILTIN_OBJS += builtin/credential-cache--daemon.o
+BUILTIN_OBJS += builtin/credential-cache.o
+BUILTIN_OBJS += builtin/credential-store.o
 BUILTIN_OBJS += builtin/credential.o
 BUILTIN_OBJS += builtin/describe.o
 BUILTIN_OBJS += builtin/diff-files.o
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 8acd078..0d03cb4 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -159,10 +159,6 @@
 #define deepest_delta_lock()	lock_mutex(&deepest_delta_mutex)
 #define deepest_delta_unlock()	unlock_mutex(&deepest_delta_mutex)
 
-static pthread_mutex_t type_cas_mutex;
-#define type_cas_lock()		lock_mutex(&type_cas_mutex)
-#define type_cas_unlock()	unlock_mutex(&type_cas_mutex)
-
 static pthread_key_t key;
 
 static inline void lock_mutex(pthread_mutex_t *mutex)
@@ -186,7 +182,6 @@
 	init_recursive_mutex(&read_mutex);
 	pthread_mutex_init(&counter_mutex, NULL);
 	pthread_mutex_init(&work_mutex, NULL);
-	pthread_mutex_init(&type_cas_mutex, NULL);
 	if (show_stat)
 		pthread_mutex_init(&deepest_delta_mutex, NULL);
 	pthread_key_create(&key, NULL);
@@ -209,7 +204,6 @@
 	pthread_mutex_destroy(&read_mutex);
 	pthread_mutex_destroy(&counter_mutex);
 	pthread_mutex_destroy(&work_mutex);
-	pthread_mutex_destroy(&type_cas_mutex);
 	if (show_stat)
 		pthread_mutex_destroy(&deepest_delta_mutex);
 	for (i = 0; i < nr_threads; i++)
@@ -894,18 +888,15 @@
 }
 
 /*
- * Walk from current node up
- * to top parent if necessary to deflate the node. In normal
- * situation, its parent node would be already deflated, so it just
- * needs to apply delta.
+ * Ensure that this node has been reconstructed and return its contents.
  *
- * In the worst case scenario, parent node is no longer deflated because
- * we're running out of delta_base_cache_limit; we need to re-deflate
- * parents, possibly up to the top base.
- *
- * All deflated objects here are subject to be freed if we exceed
- * delta_base_cache_limit, just like in find_unresolved_deltas(), we
- * just need to make sure the last node is not freed.
+ * In the typical and best case, this node would already be reconstructed
+ * (through the invocation to resolve_delta() in threaded_second_pass()) and it
+ * would not be pruned. However, if pruning of this node was necessary due to
+ * reaching delta_base_cache_limit, this function will find the closest
+ * ancestor with reconstructed data that has not been pruned (or if there is
+ * none, the ultimate base object), and reconstruct each node in the delta
+ * chain in order to generate the reconstructed data for this node.
  */
 static void *get_base_data(struct base_data *c)
 {
@@ -1028,6 +1019,10 @@
 		struct object_entry *child_obj;
 		struct base_data *child;
 
+		counter_lock();
+		display_progress(progress, nr_resolved_deltas);
+		counter_unlock();
+
 		work_lock();
 		if (list_empty(&work_head)) {
 			/*
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index de5ad73..c30896c 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -1308,7 +1308,7 @@
 	};
 
 	const char *const git_submodule_helper_usage[] = {
-		N_("git submodule--helper summary [<options>] [commit] [--] [<path>]"),
+		N_("git submodule--helper summary [<options>] [<commit>] [--] [<path>]"),
 		NULL
 	};
 
diff --git a/ci/lib.sh b/ci/lib.sh
index 821e366..38c0eac 100755
--- a/ci/lib.sh
+++ b/ci/lib.sh
@@ -149,6 +149,7 @@
 	CI_REPO_SLUG="$GITHUB_REPOSITORY"
 	CI_JOB_ID="$GITHUB_RUN_ID"
 	CC="${CC:-gcc}"
+	DONT_SKIP_TAGS=t
 
 	cache_dir="$HOME/none"
 
@@ -167,6 +168,7 @@
 
 mkdir -p "$cache_dir"
 
+test -n "${DONT_SKIP_TAGS-}" ||
 skip_branch_tip_with_tag
 skip_good_tree
 
diff --git a/compat/mingw.h b/compat/mingw.h
index e6fe810..af8eddd 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -606,7 +606,7 @@
  * Call this function to open a new MinTTY (this assumes you are in Git for
  * Windows' SDK) with a GDB that attaches to the current process right away.
  */
-extern void open_in_gdb(void);
+void open_in_gdb(void);
 
 /*
  * Used by Pthread API implementation for Windows
diff --git a/git.c b/git.c
index f1e8b56..4bdcdad 100644
--- a/git.c
+++ b/git.c
@@ -638,6 +638,25 @@
 	}
 }
 
+void load_builtin_commands(const char *prefix, struct cmdnames *cmds)
+{
+	const char *name;
+	int i;
+
+	/*
+	 * Callers can ask for a subset of the commands based on a certain
+	 * prefix, which is then dropped from the added names. The names in
+	 * the `commands[]` array do not have the `git-` prefix, though,
+	 * therefore we must expect the `prefix` to at least start with `git-`.
+	 */
+	if (!skip_prefix(prefix, "git-", &prefix))
+		BUG("prefix '%s' must start with 'git-'", prefix);
+
+	for (i = 0; i < ARRAY_SIZE(commands); i++)
+		if (skip_prefix(commands[i].cmd, prefix, &name))
+			add_cmdname(cmds, name, strlen(name));
+}
+
 #ifdef STRIP_EXTENSION
 static void strip_extension(const char **argv)
 {
diff --git a/help.c b/help.c
index 4e2468a..919cbb9 100644
--- a/help.c
+++ b/help.c
@@ -263,6 +263,8 @@
 	const char *env_path = getenv("PATH");
 	const char *exec_path = git_exec_path();
 
+	load_builtin_commands(prefix, main_cmds);
+
 	if (exec_path) {
 		list_commands_in_dir(main_cmds, exec_path, prefix);
 		QSORT(main_cmds->names, main_cmds->cnt, cmdname_compare);
diff --git a/help.h b/help.h
index dc02458..5871e93 100644
--- a/help.h
+++ b/help.h
@@ -32,6 +32,7 @@
 void load_command_list(const char *prefix,
 		       struct cmdnames *main_cmds,
 		       struct cmdnames *other_cmds);
+void load_builtin_commands(const char *prefix, struct cmdnames *cmds);
 void add_cmdname(struct cmdnames *cmds, const char *name, int len);
 /* Here we require that excludes is a sorted list. */
 void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes);
diff --git a/t/t5302-pack-index.sh b/t/t5302-pack-index.sh
index c92e553..7c9d687 100755
--- a/t/t5302-pack-index.sh
+++ b/t/t5302-pack-index.sh
@@ -277,4 +277,11 @@
 	grep "^warning:.* expected .tagger. line" err
 '
 
+test_expect_success 'index-pack -v --stdin produces progress for both phases' '
+	pack=$(git pack-objects --all pack </dev/null) &&
+	GIT_PROGRESS_DELAY=0 git index-pack -v --stdin <pack-$pack.pack 2>err &&
+	test_i18ngrep "Receiving objects" err &&
+	test_i18ngrep "Resolving deltas" err
+'
+
 test_done
diff --git a/t/t5534-push-signed.sh b/t/t5534-push-signed.sh
index 7e928af..af0385f 100755
--- a/t/t5534-push-signed.sh
+++ b/t/t5534-push-signed.sh
@@ -282,10 +282,9 @@
 	EOF
 	test_must_fail env PATH="$TRASH_DIRECTORY:$PATH" git push \
 			--signed --atomic --porcelain \
-			dst noop ff noff >out 2>&1 &&
+			dst noop ff noff >out 2>err &&
 
-	test_i18ngrep ! "gpg failed to sign" out &&
-	sed -n -e "/^To dst/,$ p" out >actual &&
+	test_i18ngrep ! "gpg failed to sign" err &&
 	cat >expect <<-EOF &&
 	To dst
 	=	refs/heads/noop:refs/heads/noop	[up to date]
@@ -293,7 +292,7 @@
 	!	refs/heads/noff:refs/heads/noff	[rejected] (non-fast-forward)
 	Done
 	EOF
-	test_i18ncmp expect actual
+	test_cmp expect out
 '
 
 test_done