Update blog post

docs/en/Blog-Posts/2020-05-22 v2_8_Release/Post.md

@@ -2,7 +2,9 @@
 
 The **ABP Framework** & and the **ABP Commercial** v2.8 have been released. This post will cover **what's new** with these releases and the **middle-term road maps** for the projects.
 
-## What's New in the ABP Framework?
+## What's New in the ABP Framework 2.8?
+
+You can see all the changes on the [GitHub release notes](https://github.com/abpframework/abp/releases/tag/2.8.0). This post will only cover the important features/changes.
 
 ### SignalR Integration Package
 
@@ -30,3 +32,58 @@ Use ABP CLI to create a new console application, specifying the `console` as the
 abp new MyApp -t console
 ````
 
+Thanks to the contribution of [@liangshiw](https://github.com/liangshiw) for this template.
+
+### RTL Support for the MVC UI & Arabic Localization
+
+[@kgamalseif](https://github.com/kgamalseif) has contributed a RTL implementation for the MVC UI which looks pretty fine:
+
+![rtl-ui](rtl-ui.png)
+
+He also localized all the framework and module resources. Thanks to him for this great contribution.
+
+### Others
+
+Some other highlights from this release:
+
+* Converted HttpApi.Client packages of the modules to .netstandard 2.0 to be compatible with other kind of applications.
+* Improved the object extensibility system to better handle UI, localization and validation.
+* Implemented disabling background job execution for HangFire & Quartz intergrations.
+* New JsTree integration package for the MVC UI.
+* Moved all samples to the new [abp-samples](https://github.com/abpframework/abp-samples) repository and created an [index page](https://docs.abp.io/en/abp/latest/Samples/Index) to see all.
+
+### Deprecations
+
+* Deprecated the `app.UseMvcWithDefaultRouteAndArea()` and introduced the `app.UseConfiguredEndpoints()` (see [#3880](https://github.com/abpframework/abp/issues/3880)).
+* Deprecated the `UsePostgreSql()` and introduced the `UseNpgsql()` for the [Volo.Abp.EntityFrameworkCore.PostgreSql](http://nuget.org/packages/Volo.Abp.EntityFrameworkCore.PostgreSql) package. Switch to `UseNpgsql()` if you are using PostgreSQL.
+
+Old methods are marked as `Obsolete` and will be removed in the next major versions.
+
+## What's New in the ABP Commercial 2.8?
+
+### The New Lepton Theme
+
+We've completely revised [the lepton theme](https://commercial.abp.io/themes). A screenshot from the Material Style:
+
+![lepton-theme-material](lepton-theme-material.png)
+
+We've adapted it to the ABP Commercial. Example screenshots from the language management page of the ABP Commercial
+
+![lepton-abp-default-theme](lepton-abp-default-theme.png)
+
+(default style)
+
+![lepton-abp-material-theme](lepton-abp-material-theme.png)
+
+(material style)
+
+[Create a demo](https://commercial.abp.io/demo) to test all the styles in live. You can change the style from the settings page.
+
+### The New Chat Module
+
+TODO
+
+### Others
+
+* Implemented [module entity extension](https://docs.abp.io/en/commercial/latest/guides/module-entity-extensions) system for the Angular UI. Also improved the system to better handle float/double/decimal, date, datetime, enum and boolean properties.
+* Managing product groups on a tree view for the [EasyCRM sample application](https://docs.abp.io/en/commercial/latest/samples/easy-crm).