diff --git a/client/src/locale/source/angular_en_US.xml b/client/src/locale/source/angular_en_US.xml
index fc75f512f..c134cafdb 100644
--- a/client/src/locale/source/angular_en_US.xml
+++ b/client/src/locale/source/angular_en_US.xml
@@ -1338,12 +1338,64 @@
           <context context-type="sourcefile">src/app/modal/welcome-modal.component.html</context>
           <context context-type="linenumber">3</context>
         </context-group>
+      </trans-unit><trans-unit id="fb2ab91ad6091b4a42f4ec08487650a0bc2d541c" datatype="html">
+        <source>CLI
+            documentation</source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/modal/welcome-modal.component.html</context>
+          <context context-type="linenumber">12</context>
+        </context-group>
+      </trans-unit><trans-unit id="65462878ca6d04c826906432816a3df3e048ac87" datatype="html">
+        <source>Upload or import videos, parse logs, prune storage directories, reset user password...</source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/modal/welcome-modal.component.html</context>
+          <context context-type="linenumber">15</context>
+        </context-group>
+      </trans-unit><trans-unit id="054dd8ba0dece8069a5a7e538efaca9f58cf81f9" datatype="html">
+        <source>Administer
+            documentation</source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/modal/welcome-modal.component.html</context>
+          <context context-type="linenumber">19</context>
+        </context-group>
+      </trans-unit><trans-unit id="c38a3f5b5eff069d0097527fa40a3f8c4d9c1e4e" datatype="html">
+        <source>Managing users, following other instances, dealing with spammers...</source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/modal/welcome-modal.component.html</context>
+          <context context-type="linenumber">22</context>
+        </context-group>
+      </trans-unit><trans-unit id="4e020f13aa4db2285047eba96e50dc716fb5f417" datatype="html">
+        <source>Use
+            documentation</source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/modal/welcome-modal.component.html</context>
+          <context context-type="linenumber">26</context>
+        </context-group>
+      </trans-unit><trans-unit id="e1410009f484a2b44b6f15346df65f13f5e77444" datatype="html">
+        <source>Setup your account, managing video playlists, discover third-party applications...</source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/modal/welcome-modal.component.html</context>
+          <context context-type="linenumber">29</context>
+        </context-group>
       </trans-unit><trans-unit id="6b705cdf0d567cf608b9891a1d912daebac3523e" datatype="html">
         <source>Useful links</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/modal/welcome-modal.component.html</context>
           <context context-type="linenumber">41</context>
         </context-group>
+      </trans-unit><trans-unit id="908ccbd854d79d50723e7a651b2a0f4dd0557c60" datatype="html">
+        <source>Official PeerTube website (news, support, contribute...): &lt;x id="START_LINK" ctype="x-a" equiv-text="&lt;a&gt;"/&gt;https://joinpeertube.org&lt;x id="CLOSE_LINK" ctype="x-a" equiv-text="&lt;/a&gt;"/&gt;</source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/modal/welcome-modal.component.html</context>
+          <context context-type="linenumber">44</context>
+        </context-group>
+      </trans-unit><trans-unit id="53f7ce6aef94fd128d0058de1cd63da90d062ee6" datatype="html">
+        <source>Put your instance on the public PeerTube index: &lt;x id="START_LINK" ctype="x-a" equiv-text="&lt;a&gt;"/&gt;https://instances.joinpeertube.org/instances&lt;x id="CLOSE_LINK" ctype="x-a" equiv-text="&lt;/a&gt;"/&gt;
+          </source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/modal/welcome-modal.component.html</context>
+          <context context-type="linenumber">47</context>
+        </context-group>
       </trans-unit><trans-unit id="351af1021b0298109bfb72c7aa9a27999d110859" datatype="html">
         <source>It&apos;s time to configure your instance!</source>
         <context-group purpose="location">
@@ -3934,53 +3986,74 @@
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
           <context context-type="linenumber">486</context>
         </context-group>
+      </trans-unit><trans-unit id="cc22eea1bd3ba6e2fcd7cc70b9b3c3f9a7807d50" datatype="html">
+        <source>
+                      &lt;x id="START_TAG_STRONG" ctype="x-strong" equiv-text="&lt;strong&gt;"/&gt;Requires ffmpeg &gt;= 4.1 and multiplies videos storage by 2!&lt;x id="CLOSE_TAG_STRONG" ctype="x-strong" equiv-text="&lt;/strong&gt;"/&gt;
+
+                      &lt;x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p&gt;"/&gt;Generate HLS playlists and fragmented MP4 files resulting in a better playback than with the current default player:&lt;x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/&gt;
+                      &lt;x id="START_UNORDERED_LIST" ctype="x-ul" equiv-text="&lt;ul&gt;"/&gt;
+                        &lt;x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt;li&gt;"/&gt;Resolution change is smoother&lt;x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt;"/&gt;
+                        &lt;x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt;li&gt;"/&gt;Faster playback in particular with long videos&lt;x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt;"/&gt;
+                        &lt;x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt;li&gt;"/&gt;More stable playback (less bugs/infinite loading)&lt;x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt;"/&gt;
+                      &lt;x id="CLOSE_UNORDERED_LIST" ctype="x-ul" equiv-text="&lt;/ul&gt;"/&gt;
+                    </source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
+          <context context-type="linenumber">501</context>
+        </context-group>
+      </trans-unit><trans-unit id="94213e7007705d887db1d366b5abc163122d9202" datatype="html">
+        <source>HLS support enabled</source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
+          <context context-type="linenumber">498</context>
+        </context-group>
       </trans-unit><trans-unit id="a33feadefbb776217c2db96100736314f8b765c2" datatype="html">
         <source>Transcoding threads</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">495</context>
+          <context context-type="linenumber">517</context>
         </context-group>
       </trans-unit><trans-unit id="6221e8fc0bcfc87cbb03621bca82a6e4e188b75a" datatype="html">
         <source>Resolution &lt;x id="INTERPOLATION" equiv-text="{{resolution.label}}"/&gt; enabled</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">510</context>
+          <context context-type="linenumber">532</context>
         </context-group>
       </trans-unit><trans-unit id="1fa92c6ce274f878b2625587daa7e08b2a3a8b38" datatype="html">
         <source>Cache</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">519</context>
+          <context context-type="linenumber">541</context>
         </context-group>
       </trans-unit><trans-unit id="d5bf7bea37daff4e018fd11a1b552512e5cb54c0" datatype="html">
         <source>Some files are not federated (previews, captions). We fetch them directly from the origin instance and cache them.</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">523</context>
+          <context context-type="linenumber">545</context>
         </context-group>
       </trans-unit><trans-unit id="d00f6c2dcb426440a0a8cd8eec12d094fbfaf6f7" datatype="html">
         <source>Previews cache size</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">530</context>
+          <context context-type="linenumber">552</context>
         </context-group>
       </trans-unit><trans-unit id="98970cd72e776308a37dc4e84bebbedffc787607" datatype="html">
         <source>Video captions cache size</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">539</context>
+          <context context-type="linenumber">561</context>
         </context-group>
       </trans-unit><trans-unit id="e3a65df2560e99864bbde695da3a7bdf743a184c" datatype="html">
         <source>Customizations</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">548</context>
+          <context context-type="linenumber">570</context>
         </context-group>
       </trans-unit><trans-unit id="0da9752916950ce6890d897b835c923a71ad9c5c" datatype="html">
         <source>JavaScript</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">553</context>
+          <context context-type="linenumber">575</context>
         </context-group>
       </trans-unit><trans-unit id="dd9e2ece240f87c7fcc2d8f2c0fc0d187d0cd30c" datatype="html">
         <source>
@@ -3988,7 +4061,7 @@
                   </source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">556</context>
+          <context context-type="linenumber">578</context>
         </context-group>
       </trans-unit><trans-unit id="89c9bfb2fe99372c85311d9895d30e47d2552a02" datatype="html">
         <source>
@@ -4006,7 +4079,7 @@
                   </source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">575</context>
+          <context context-type="linenumber">597</context>
         </context-group>
       </trans-unit><trans-unit id="6c44844ebdb7352c433b7734feaa65f01bb594ab" datatype="html">
         <source>Advanced configuration</source>
@@ -4018,13 +4091,13 @@
         <source>Update configuration</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">606</context>
+          <context context-type="linenumber">628</context>
         </context-group>
       </trans-unit><trans-unit id="f8f8fca3139cba7d4fd6d9578d93e601f639cc83" datatype="html">
         <source>It seems like the configuration is invalid. Please search for potential errors in the different tabs.</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-custom-config.component.html</context>
-          <context context-type="linenumber">607</context>
+          <context context-type="linenumber">629</context>
         </context-group>
       </trans-unit><trans-unit id="9518d3fb042d551167c1701ddeb88a1374cf1e48" datatype="html">
         <source>Video quota:</source>