change version to 4.9.1

RELEASE-NOTES.md

@@ -1,5 +1,7 @@
 # Release Notes
 
+- [Version 4.9.1](#version-491)
+   + [What's new in this version](#whats-new-in-this-version)
 - [Version 4.9.0](#version-490)
    + [What's new in this version](#whats-new-in-this-version)
    + [Compositing schema](#compositing-schema)
@@ -10,6 +12,27 @@
    + [Changes leading to incompatibility](#changes-leading-to-incompatibility)
    + [Deprecated APIs](#deprecated-apis)
 
+## Version 4.9.1
+
+The MiniGUI development team announces the availability of MiniGUI 4.9.1,
+which is the second preview release of MiniGUI 5.0.0.
+
+This is an unstable release to show you some new and exciting features.
+Here `unstable` means that the new APIs we introduced in this version
+may change in the official release.
+
+Nevertheless, we did our best to ensure backward compatibility of the
+existed APIs so that the old applications can smoothly migrate to the new
+version. We recommend that you test this version and report any bugs and
+incompatibilities in
+
+<https://github.com/VincentWei/minigui/tree/dev-4-1>
+
+### What's new in this version
+
+- Tune the `fbcon` (Linux Frame Buffer) engine to support compositing schema.
+- Fix some bugs.
+
 ## Version 4.9.0
 
 The MiniGUI development team announces the availability of MiniGUI 4.9.0,

Version.md

@@ -1,6 +1,6 @@
-Version 4.9.0 (2019/02/28)
+Version 4.9.1 (2019/03/11)
 
-This is a developing version (target version is 5.0.0), an unstable version.
+This is the second preview version of MiniGUI 5.0.0, an unstable version.
 
 Other packages for MiniGUI resource, tools, components, and samples:
 

configure.ac

@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.60)
-AC_INIT(libminigui, 4.9.0)
+AC_INIT(libminigui, 4.9.1)
 AC_CONFIG_SRCDIR(src/main/main.c)
 
 dnl Set various version strings - taken gratefully from the SDL sources
@@ -16,9 +16,9 @@ dnl Set various version strings - taken gratefully from the SDL sources
 #
 MINIGUI_MAJOR_VERSION=4
 MINIGUI_MINOR_VERSION=9
-MINIGUI_MICRO_VERSION=0
-MINIGUI_INTERFACE_AGE=0
-MINIGUI_BINARY_AGE=0
+MINIGUI_MICRO_VERSION=1
+MINIGUI_INTERFACE_AGE=1
+MINIGUI_BINARY_AGE=1
 MINIGUI_VERSION=$MINIGUI_MAJOR_VERSION.$MINIGUI_MINOR_VERSION.$MINIGUI_MICRO_VERSION
 
 AC_SUBST(MINIGUI_MAJOR_VERSION)