Hi Mikko, thank you for you're answer which was very insightful.<br /><br />
<blockquote><span style="white-space-collapse: preserve;">If that is not available, check if </span><span style="white-space-collapse: preserve;">you can change the branch of an existing meta layer to provide what you need. Note that mixing</span><br style="white-space-collapse: preserve;" /><span style="white-space-collapse: preserve;">layer branch names is frequently possible with minor changes, e.g. using meta-security master branch </span><span style="white-space-collapse: preserve;">with kirkstone LTS poky. </span></blockquote>
Could I ask you to elaborate on this subject or share some resources about mixing layer branches ?<br /><br />-Nicolas