Replace whats_new_since_rocko.md

Anu´s updated version

whats_new_since_rocko.md

@@ -2,13 +2,13 @@
 # What's new since rocko ?
 
 The SECO Northern Europe releases, formerly known as Garz & Fricke, 
-have some breaking changes, that have been introduced with the switch of the 
+have some breaking changes that have been introduced with the switch of the 
 yocto base version from 'rocko' ( Yocto Project Version 2.4 ) to the newer yocto 
 base version 'dunfell' ( Yocto Project Version 3.1 ).
-
-Some of the are directly related to the yocto upgrade, but few are design
+	
+Some of them are directly related to the yocto upgrade, but few are design
 decisions that are only relevant for G&F Yocto distribution. Most of these
-decisions follow the base idea to develop closer to the  'mainline' source tree
+decisions follow the basic idea of developing closer to the  'mainline' source tree
 which allows faster upgrade cycles of the yocto version as 
 well as integrated components.
 
@@ -34,7 +34,7 @@ See [Understanding-and-using-systemd](https://www.linux.com/training-tutorials/u
 
 ## Kernel version
 
-The kernel version for the  i.MX6 platforms changed from 4.1.15 to 5.10 kernel
+The kernel version for the  i.MX6 platform changed from 4.1.15 to 5.10 kernel
 based on the mainline tree.
 
 As common for open source projects, there are different kernel derivates 
@@ -62,7 +62,7 @@ by a wiki based version, which is not yet available online.
 
 The dunfell version comes with [Qt 5.15](https://doc.qt.io/qt-5/index.html), 
 which will be the last [*Qt 5*](https://doc.qt.io/qt-5/index.html) version.
-Later Qt versions are based on [*Qt 6*](https://doc.qt.io/qt-6/index.html).
+Later, Dunfell would be updated to recent Qt versions which we can find in the [*Qt Release download page*](https://www.qt.io/download).
 
 ## Release cycle
 
@@ -83,7 +83,7 @@ It has always been Garz & Fricke only and had drawbacks on some corner cases.
 
 With the new dunfell release the system is still present, but changes the
 scope from *shared*-Configuration (using the same configuration instantly on
-all installed OSes) to *initial*-Configuration: Most settings are applied to
+all installed OSes) to *initial*-Configuration. Most settings are applied to
 standard linux config files during OS installation from the installed xml files.
 This allows less changes to installed standard software (more mainline) and less access
 to the xml files during boot (faster startup).
@@ -108,13 +108,13 @@ checked out to create a source tree locally.
 
 **Note:** Up to know, the gitlab group is still private and a gitlab account is 
 needed to access the source code. If you need access, please contact 
-`support@garz-fricke.com`.
+`support.north@seco.com`.
 
 It is planned to open these repositories completely to the public.
 
 ## Window manager
 
-The window manger in the previous yocto releases has been the *X11* system.
+The window manager in the previous yocto releases has been the *X11* system.
 This has been exchanged with [*Wayland*](https://wayland.freedesktop.org/) and 
 uses [*Weston*](https://github.com/wayland-project/weston) as compositor.
 
@@ -122,5 +122,5 @@ Wayland uses a different protocol to display applications,
 so a recompilation of existing applications is needed.
 
 There is an X on Wayland project, to continue running native X11 applications,
-which we don't have tested yet.
+which we haven't tested yet.