Update download section for major release 5.91

docs/armbian.md

@@ -4,6 +4,8 @@ Debian & Ubuntu based Linux for ARM based single-board computers
 
 [https://www.armbian.com](https://www.armbian.com "Armbian")
 
+**Note:** The Kobol Team has joined the Armbian team to be the official maintainer of Armbian build for **mvebu** SoC family. This way all efforts are consolidated into a single build platform to provide the best Operating System support for Helios4.
+
 ## Pre-built images
 
 You can find pre-built **Armbian** images for Helios4 on our [Download](/download) page or directly on [Armbian website](https://dl.armbian.com/helios4/).

docs/download.md

@@ -1,30 +1,36 @@
 ## Latest OS Images
 
-### Debian 9 - Stretch (by [Armbian](https://www.armbian.com/helios4/))
+All the following images are generated by [Armbian](https://www.armbian.com/helios4/) build framework.
 
-[![Debian Stretch](/img/os/debian.png)](https://cdn.kobol.io/files/Armbian_5.77_Helios4_Debian_stretch_next_4.14.106.7z)<br>
-*MD5SUM : 5f2e19d6ecf8a35de89c881fb06bd56e<br>
-Build date : 14/03/2019<br>
-Size : 238 MB<br>*
-[Direct Download](https://cdn.kobol.io/files/Armbian_5.77_Helios4_Debian_stretch_next_4.14.106.7z)
+### Debian 10 - Buster
+
+[![Debian Stretch](/img/os/debian10.png)](https://dl.armbian.com/helios4/archive/Armbian_5.91_Helios4_Debian_buster_next_4.19.63.7z)<br>
+*MD5SUM : bc5e991dea6de1e021a95a6ecd11c824<br>
+Build date : 31/07/2019<br>
+Size : 259 MB<br>*
+[Direct Download](https://dl.armbian.com/helios4/archive/Armbian_5.91_Helios4_Debian_buster_next_4.19.63.7z)
+
+!!! important
+    OMV5 (OpenMediaVault 5) for Debian 10 Buster is still in beta and unstable. If you wand to use OMV, then you should use Debian 9 Stretch with OMV 4 for now.
+
+### Debian 9 - Stretch
+
+[![Debian Stretch](/img/os/debian9.png)](https://dl.armbian.com/helios4/archive/Armbian_5.91_Helios4_Debian_stretch_default_4.14.135.7z)<br>
+*MD5SUM : 8d183f7914cd429e427d6ba2256ea073<br>
+Build date : 31/07/2019<br>
+Size : 247 MB<br>*
+[Direct Download](https://dl.armbian.com/helios4/archive/Armbian_5.91_Helios4_Debian_stretch_default_4.14.135.7z)
 
 !!! note
     OMV4 (OpenMediaVault 4) can be installed with the **armbian-config** tool as explained [here](/omv/#install-openmediavault).
 
-### Ubuntu 18.04 - Bionic (by [Armbian](https://www.armbian.com/helios4/))
+### Ubuntu 18.04 - Bionic
 
-[![Ubuntu Bionic](/img/os/ubuntu.png)](https://cdn.kobol.io/files/Armbian_5.77_Helios4_Ubuntu_bionic_next_4.14.106.7z)<br>
-*MD5SUM : 90805f23c5c6491bbf1b251f4d3d74a0<br>
-Build date : 14/03/2019<br>
-Size : 177 MB<br>*
-[Direct Download](https://cdn.kobol.io/files/Armbian_5.77_Helios4_Ubuntu_bionic_next_4.14.106.7z)
-
-
-### Syncloud
-
-[![Syncloud](/img/os/syncloud.png)](https://github.com/syncloud/platform/wiki)
-
-Check their [download page](https://github.com/syncloud/platform/wiki) for latest image.
+[![Ubuntu Bionic](/img/os/ubuntu.png)](https://dl.armbian.com/helios4/archive/Armbian_5.91_Helios4_Ubuntu_bionic_next_4.19.63.7z)<br>
+*MD5SUM : 40d78c5a839a2ee84c0775895c42e284<br>
+Build date : 31/07/2019<br>
+Size : 188 MB<br>*
+[Direct Download](https://dl.armbian.com/helios4/archive/Armbian_5.91_Helios4_Ubuntu_bionic_next_4.19.63.7z)
 
 
 ## Known Limitations
@@ -49,6 +55,9 @@ Check their [download page](https://github.com/syncloud/platform/wiki) for lates
 
 Filename | Download | MD5
 ---------|----------|----
+**Armbian_5.91_Helios4_Debian_buster_next_4.19.63.7z**<br>Armbian 5.91 Debian 10 Buster (Kernel 4.19.63)<br>Build date : 31/07/2019<br>Size : 259 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_5.91_Helios4_Debian_buster_next_4.19.63.7z)|bc5e991dea6de1e021a95a6ecd11c824
+**Armbian_5.91_Helios4_Debian_stretch_default_4.14.135.7z**<br>Armbian 5.91 Debian 9 Stretch (Kernel 4.14.135)<br>Build date : 31/07/2019<br>Size : 247 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_5.91_Helios4_Debian_stretch_default_4.14.135.7z)|8d183f7914cd429e427d6ba2256ea073
+**Armbian_5.91_Helios4_Ubuntu_bionic_next_4.19.63.7z**<br>Armbian 5.91 Ubuntu 18.04 Bionic (Kernel 4.19.63)<br>Build date : 31/07/2019<br>Size : 188 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_5.91_Helios4_Ubuntu_bionic_next_4.19.63.7z)|40d78c5a839a2ee84c0775895c42e284
   **Armbian_5.77_Helios4_Debian_stretch_next_4.14.106.7z**<br>Armbian 5.77 Debian 9 Stretch (Kernel 4.14.106)<br>Build date : 14/03/2019<br>Size : 238 MB|[Download](https://cdn.kobol.io/files/Armbian_5.77_Helios4_Debian_stretch_next_4.14.106.7z)|5f2e19d6ecf8a35de89c881fb06bd56e
 **Armbian_5.77_Helios4_Ubuntu_bionic_next_4.14.106.7z**<br>Armbian 5.77 Ubuntu 18.04 Bionic (Kernel 4.14.106)<br>Build date : 14/03/2019<br>Size : 177 MB|[Download](https://cdn.kobol.io/files/Armbian_5.77_Helios4_Ubuntu_bionic_next_4.14.106.7z)|90805f23c5c6491bbf1b251f4d3d74a0
 **Armbian_5.75_Helios4_Ubuntu_bionic_next_4.14.98.7z**<br>Armbian 5.75 Ubuntu 18.04 Bionic (Kernel 4.14.98)<br>Build date : 10/02/2019<br>Size : 193 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_5.75_Helios4_Ubuntu_bionic_next_4.14.98.7z)|d70b2d51b29e6729c33bbec90825f47a

mkdocs.yml

@@ -41,7 +41,7 @@ extra:
     - type: 'rss-square'
       link: 'https://blog.kobol.io'
   sd_release:
-    latest: '14/03/2019'
+    latest: '31/07/2019'
 
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