diff --git a/client/src/locale/angular.cs-CZ.xlf b/client/src/locale/angular.cs-CZ.xlf
index 0c7ed3e62..b547a5ada 100644
--- a/client/src/locale/angular.cs-CZ.xlf
+++ b/client/src/locale/angular.cs-CZ.xlf
@@ -5607,7 +5607,7 @@
       </trans-unit>
       <trans-unit id="4354548488369167450" datatype="html">
         <source><x id="START_TAG_STRONG" ctype="x-strong" equiv-text="&lt;strong&gt;"/>Requires ffmpeg &gt;= 4.1<x id="CLOSE_TAG_STRONG" ctype="x-strong" equiv-text="&lt;/strong&gt;"/><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p&gt;"/>Generate HLS playlists and fragmented MP4 files resulting in a better playback than with Web Videos:<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_UNORDERED_LIST" ctype="x-ul" equiv-text="&lt;ul&gt;"/><x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt;li&gt;"/>Resolution change is smoother<x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt;"/><x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt;li&gt;"/>Faster playback especially with long videos<x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt;"/><x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt;li&gt;"/>More stable playback (less bugs/infinite loading)<x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt;"/><x id="CLOSE_UNORDERED_LIST" ctype="x-ul" equiv-text="&lt;/ul&gt;"/><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p&gt;"/>If you also enabled Web Videos support, it will multiply videos storage by 2<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/></source>
-        <target state="new"><x id="START_TAG_STRONG" ctype="x-strong" equiv-text="&lt;strong&gt;"/>Requires ffmpeg &gt;= 4.1<x id="CLOSE_TAG_STRONG" ctype="x-strong" equiv-text="&lt;/strong&gt;"/><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p&gt;"/>Generate HLS playlists and fragmented MP4 files resulting in a better playback than with Web Videos:<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_UNORDERED_LIST" ctype="x-ul" equiv-text="&lt;ul&gt;"/><x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt;li&gt;"/>Resolution change is smoother<x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt;"/><x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt;li&gt;"/>Faster playback especially with long videos<x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt;"/><x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt;li&gt;"/>More stable playback (less bugs/infinite loading)<x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt;"/><x id="CLOSE_UNORDERED_LIST" ctype="x-ul" equiv-text="&lt;/ul&gt;"/><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p&gt;"/>If you also enabled Web Videos support, it will multiply videos storage by 2<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/></target>
+        <target state="translated"><x id="START_TAG_STRONG" ctype="x-strong" equiv-text="&lt;strong&gt;"/>Vyžaduje ffmpeg &gt;= 4. 1<x id="CLOSE_TAG_STRONG" ctype="x-strong" equiv-text="&lt;/strong&gt;"/><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p&gt;"/>Generuje seznamy stop HLS a fragmentované soubory MP4, což vede k lepšímu přehrávání než u webových videí: <x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_UNORDERED_LIST" ctype="x-ul" equiv-text="&lt;ul&gt;"/><x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt;li&gt; "/>Změna rozlišení je plynulejší<x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt;"/><x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt; li&gt;"/>Rychlejší přehrávání zejména dlouhých videí<x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt; "/><x id="START_LIST_ITEM" ctype="x-li" equiv-text="&lt;li&gt;"/>Stabilnější přehrávání (méně chyb/nekonečné načítání)<x id="CLOSE_LIST_ITEM" ctype="x-li" equiv-text="&lt;/li&gt;"/><x id="CLOSE_UNORDERED_LIST" ctype="x-ul" equiv-text="&lt; /ul&gt;"/><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p&gt;"/>Pokud jste také povolili podporu webových videí, znásobí se úložiště videí o 2<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/>.</target>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-vod-transcoding.component.html</context>
           <context context-type="linenumber">94,103</context>
@@ -5792,7 +5792,7 @@
       </trans-unit>
       <trans-unit id="7207368259170794965" datatype="html">
         <source><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p class=&quot;mb-2&quot;&gt;"/>Write JavaScript code directly. Example:<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_TAG_PRE" ctype="x-pre" equiv-text="&lt;pre&gt;"/>console.log('my instance is amazing');<x id="CLOSE_TAG_PRE" ctype="x-pre" equiv-text="&lt;/pre&gt;"/></source>
-        <target state="new"><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p class=&quot;mb-2&quot;&gt;"/>Write JavaScript code directly. Example:<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_TAG_PRE" ctype="x-pre" equiv-text="&lt;pre&gt;"/>console.log('my instance is amazing');<x id="CLOSE_TAG_PRE" ctype="x-pre" equiv-text="&lt;/pre&gt;"/></target>
+        <target state="translated"><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p class=&quot;mb-2&quot;&gt;"/>Napište přímo kód JavaScriptu. Příklad:<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_TAG_PRE" ctype="x-pre" equiv-text="&lt;pre&gt;"/>console.log('moje instance je úžasná');<x id="CLOSE_TAG_PRE" ctype="x-pre" equiv-text="&lt;/pre&gt;"/></target>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-advanced-configuration.component.html</context>
           <context context-type="linenumber">91,92</context>
@@ -5800,13 +5800,7 @@
       </trans-unit>
       <trans-unit id="127946625874930162" datatype="html">
         <source><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p class=&quot;mb-2&quot;&gt;"/>Write CSS code directly. Example:<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_TAG_PRE" ctype="x-pre" equiv-text="&lt;pre&gt;"/>#custom-css <x id="INTERPOLATION" equiv-text="{{ '{' }}"/> color: red; <x id="INTERPOLATION_1" equiv-text="{{ '}' }}"/> <x id="CLOSE_TAG_PRE" ctype="x-pre" equiv-text="&lt;/pre&gt;"/><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p class=&quot;mb-2&quot;&gt;"/>Prepend with <x id="START_EMPHASISED_TEXT" ctype="x-em" equiv-text="&lt;em&gt;"/>#custom-css<x id="CLOSE_EMPHASISED_TEXT" ctype="x-em" equiv-text="&lt;/em&gt;"/> to override styles. Example:<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_TAG_PRE" ctype="x-pre" equiv-text="&lt;pre&gt;"/>#custom-css .logged-in-email <x id="INTERPOLATION" equiv-text="{{ '{' }}"/> color: red; <x id="INTERPOLATION_1" equiv-text="{{ '}' }}"/> <x id="CLOSE_TAG_PRE" ctype="x-pre" equiv-text="&lt;/pre&gt;"/></source>
-        <target state="new"><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p class=&quot;mb-2&quot;&gt;"/>Write CSS code directly. Example:<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_TAG_PRE" ctype="x-pre" equiv-text="&lt;pre&gt;"/>#custom-css <x id="INTERPOLATION" equiv-text="{{ '{' }}"/>
-  color: red;
-<x id="INTERPOLATION_1" equiv-text="{{ '}' }}"/>
-<x id="CLOSE_TAG_PRE" ctype="x-pre" equiv-text="&lt;/pre&gt;"/><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p class=&quot;mb-2&quot;&gt;"/>Prepend with <x id="START_EMPHASISED_TEXT" ctype="x-em" equiv-text="&lt;em&gt;"/>#custom-css<x id="CLOSE_EMPHASISED_TEXT" ctype="x-em" equiv-text="&lt;/em&gt;"/> to override styles. Example:<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_TAG_PRE" ctype="x-pre" equiv-text="&lt;pre&gt;"/>#custom-css .logged-in-email <x id="INTERPOLATION" equiv-text="{{ '{' }}"/>
-  color: red;
-<x id="INTERPOLATION_1" equiv-text="{{ '}' }}"/>
-<x id="CLOSE_TAG_PRE" ctype="x-pre" equiv-text="&lt;/pre&gt;"/></target>
+        <target state="translated"><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p class=&quot;mb-2&quot;&gt;"/>Napište přímo kód CSS. Příklad:<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_TAG_PRE" ctype="x-pre" equiv-text="&lt;pre&gt;"/>#custom-css <x id="INTERPOLATION" equiv-text="{{ '{' }}"/> color: red; <x id="INTERPOLATION_1" equiv-text="{{ '}' }}"/> <x id="CLOSE_TAG_PRE" ctype="x-pre" equiv-text="&lt;/pre&gt;"/><x id="START_PARAGRAPH" ctype="x-p" equiv-text="&lt;p class=&quot;mb-2&quot;&gt; "/>Předepište pomocí <x id="START_EMPHASISED_TEXT" ctype="x-em" equiv-text="&lt;em&gt;"/>#custom-css<x id="CLOSE_EMPHASISED_TEXT" ctype="x-em" equiv-text="&lt;/em&gt;"/> pro přepsání stylů. Příklad:<x id="CLOSE_PARAGRAPH" ctype="x-p" equiv-text="&lt;/p&gt;"/><x id="START_TAG_PRE" ctype="x-pre" equiv-text="&lt;pre&gt;"/>#custom-css . logged-in-email <x id="INTERPOLATION" equiv-text="{{ '{' }}"/> color: red; <x id="INTERPOLATION_1" equiv-text="{{ '}' }}"/> <x id="CLOSE_TAG_PRE" ctype="x-pre" equiv-text="&lt;/pre&gt;"/></target>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/+admin/config/edit-custom-config/edit-advanced-configuration.component.html</context>
           <context context-type="linenumber">111,122</context>
@@ -10383,7 +10377,7 @@
       </trans-unit>
       <trans-unit id="4704896848161515188" datatype="html">
         <source>Cache size must be a number.</source>
-        <target state="new">Cache size must be a number.</target>
+        <target state="translated">Velikost mezipaměti musí být číslo.</target>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/shared/form-validators/custom-config-validators.ts</context>
           <context context-type="linenumber">30</context>
@@ -10894,7 +10888,7 @@
       </trans-unit>
       <trans-unit id="1653315912561885898" datatype="html">
         <source>A chapter title is required.</source>
-        <target state="new">A chapter title is required.</target>
+        <target state="translated">Je vyžadován název kapitoly.</target>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/shared/form-validators/video-chapter-validators.ts</context>
           <context context-type="linenumber">7</context>