[RELEASE] Released version 2.7-dev0

Released version 2.7-dev0 with the following main changes :
    - MINOR: version: it's development again
diff --git a/CHANGELOG b/CHANGELOG
index 6440ad4..7b181bf 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,9 @@
 ChangeLog :
 ===========
 
+2022/05/31 : 2.7-dev0
+    - MINOR: version: it's development again
+
 2022/05/31 : 2.6.0
     - DOC: Fix formatting in configuration.txt to fix dconv
     - CLEANUP: tcpcheck: Remove useless test on the stream-connector in tcpcheck_main
diff --git a/VERSION b/VERSION
index e70b452..4597ef8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.6.0
+2.7-dev0
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 7f15b37..927c97c 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -2,7 +2,7 @@
                                 HAProxy
                           Configuration Manual
                          ----------------------
-                              version 2.6
+                              version 2.7
                               2022/05/31
 
 
diff --git a/doc/intro.txt b/doc/intro.txt
index 418f2ff..d42c399 100644
--- a/doc/intro.txt
+++ b/doc/intro.txt
@@ -1,7 +1,7 @@
                              -----------------------
                               HAProxy Starter Guide
                              -----------------------
-                                   version 2.6
+                                   version 2.7
 
 
 This document is an introduction to HAProxy for all those who don't know it, as
diff --git a/doc/management.txt b/doc/management.txt
index e178903..e65ac47 100644
--- a/doc/management.txt
+++ b/doc/management.txt
@@ -1,7 +1,7 @@
                              ------------------------
                              HAProxy Management Guide
                              ------------------------
-                                   version 2.6
+                                   version 2.7
 
 
 This document describes how to start, stop, manage, and troubleshoot HAProxy,
diff --git a/include/haproxy/version.h b/include/haproxy/version.h
index aded9fb..73a00db 100644
--- a/include/haproxy/version.h
+++ b/include/haproxy/version.h
@@ -33,7 +33,7 @@
 #ifdef  CONFIG_PRODUCT_BRANCH
 #define PRODUCT_BRANCH    CONFIG_PRODUCT_BRANCH
 #else
-#define PRODUCT_BRANCH   "2.6"
+#define PRODUCT_BRANCH   "2.7"
 #endif
 
 #ifdef  CONFIG_PRODUCT_STATUS