diff --git a/Makefile b/Makefile
index d99e354..30bc7d8 100644
--- a/Makefile
+++ b/Makefile
@@ -352,11 +352,21 @@ repo_configure_all:
 repo_configure_group_code_generator:
 	./script/update_manifest_local_dev_code_generator.sh
 
-# configure only group code_generator
+# Show git status for all repo
 .PHONY: repo_show_status
 repo_show_status:
 	./.venv/repo forall -pc "git status -s"
 
+# Show git diff for all repo from last tag version release
+.PHONY: repo_diff_from_last_version
+repo_diff_from_last_version:
+	./script/repo_diff_last_version.sh
+
+# Show git diff statistique for all repo from last tag version release
+.PHONY: repo_diff_stat_from_last_version
+repo_diff_stat_from_last_version:
+	./script/repo_diff_stat_last_version.sh
+
 # change all repo to ssh on all remote
 .PHONY: repo_use_all_ssh
 repo_use_all_ssh:
diff --git a/doc/RELEASE.md b/doc/RELEASE.md
index ff283f3..48a624b 100644
--- a/doc/RELEASE.md
+++ b/doc/RELEASE.md
@@ -49,6 +49,14 @@ git diff v#.#.#..HEAD
 ./.venv/repo forall -pc "git diff ERPLibre/v#.#.#..HEAD"
 ```
 
+Simplification tools:
+```bash
+# Short version with statistique
+make repo_diff_stat_from_last_version
+# Long version
+make repo_diff_from_last_version
+```
+
 Update file [CHANGELOG.md](../CHANGELOG.md) and create a section with new version, use next command to read all changes.
 
 Create a branch release/#.#.# and create a pull request to branch master with your commit:
diff --git a/script/docker/docker_repo_show_status.sh b/script/docker/docker_repo_show_status.sh
index a5951bf..ba55bb5 100755
--- a/script/docker/docker_repo_show_status.sh
+++ b/script/docker/docker_repo_show_status.sh
@@ -6,4 +6,5 @@ BASENAME=$(basename "${CURRENT}")
 docker exec -u root -ti ${BASENAME}_ERPLibre_1 /bin/bash -c "\
 cd /ERPLibre; \
 ./.venv/repo forall -pc 'git status -s'; \
+git status -s; \
 "
diff --git a/script/repo_diff_last_version.sh b/script/repo_diff_last_version.sh
new file mode 100755
index 0000000..6a13911
--- /dev/null
+++ b/script/repo_diff_last_version.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+LAST_TAG=$(git describe --tags $(git rev-list --tags --max-count=1))
+./.venv/repo forall -pc "git diff ERPLibre/${LAST_TAG}..HEAD"
+
+# For actual repo
+git diff ${LAST_TAG}..HEAD
diff --git a/script/repo_diff_stat_last_version.sh b/script/repo_diff_stat_last_version.sh
new file mode 100755
index 0000000..1ffac71
--- /dev/null
+++ b/script/repo_diff_stat_last_version.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+LAST_TAG=$(git describe --tags $(git rev-list --tags --max-count=1))
+./.venv/repo forall -pc "git diff --stat ERPLibre/${LAST_TAG}..HEAD"
+
+# For actual repo
+git diff --stat ${LAST_TAG}..HEAD