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-rw-r--r--nixos/doc/manual/release-notes/rl-1909.xml35
1 files changed, 34 insertions, 1 deletions
diff --git a/nixos/doc/manual/release-notes/rl-1909.xml b/nixos/doc/manual/release-notes/rl-1909.xml
index ee6ef883068..ee3b0358152 100644
--- a/nixos/doc/manual/release-notes/rl-1909.xml
+++ b/nixos/doc/manual/release-notes/rl-1909.xml
@@ -144,6 +144,32 @@
      but will make sure that the given printers are configured as declared.
     </para>
    </listitem>
+   <listitem>
+    <para>
+     There is a new <xref linkend="opt-services.system-config-printer.enable"/> and <xref linkend="opt-programs.system-config-printer.enable"/> module
+     for the program of the same name. If you previously had <literal>system-config-printer</literal> enabled through some other
+     means you should migrate to using one of these modules.
+    </para>
+    <itemizedlist>
+     <para>If you're a user of the following desktopManager modules no action is needed:</para>
+     <listitem>
+      <para><option>services.xserver.desktopManager.plasma5</option></para>
+     </listitem>
+     <listitem>
+      <para><option>services.xserver.desktopManager.gnome3</option></para>
+     </listitem>
+     <listitem>
+      <para><option>services.xserver.desktopManager.pantheon</option></para>
+     </listitem>
+     <listitem>
+      <para><option>services.xserver.desktopManager.mate</option></para>
+      <para>
+       Note Mate uses <literal>programs.system-config-printer</literal> as it doesn't
+       use it as a service, but its graphical interface directly.
+      </para>
+     </listitem>
+    </itemizedlist>
+   </listitem>
   </itemizedlist>
 
  </section>
@@ -438,7 +464,14 @@
      <literal>packetbeat5</literal>) of the ELK-stack and Elastic beats have been removed.
     </para>
    </listitem>
-
+   <listitem>
+    <para>
+     For NixOS 19.03, both Prometheus 1 and 2 were available to allow for
+     a seamless transition from version 1 to 2 with existing setups.
+     Because Prometheus 1 is no longer developed, it was removed.
+     Prometheus 2 is now configured with <literal>services.prometheus</literal>.
+    </para>
+   </listitem>
   </itemizedlist>
  </section>