25.25.12.1 12/14/2025

--User changes
 -Use the hex palette format when saving xmls from the final render dialog.
 -Add a button to the toolbar for toggling flam3 compatibility mode.
-Update licenses to refer to GPL v3 in the about dialog.

--Bug fixes
 -Fix error in the curve variation to make compatible with Chaotica and add flam3 compatibility support.

--Code changes
 -Migrate to Visual Studio 2026 and update various dependencies.

Source/Fractorium/Fractorium.ui

@@ -8099,6 +8099,7 @@
    <addaction name="ActionCL"/>
    <addaction name="ActionSP"/>
    <addaction name="ActionDP"/>
+   <addaction name="ActionCompat"/>
    <addaction name="ActionOptions"/>
    <addaction name="separator"/>
    <addaction name="ActionStyle"/>
@@ -8539,6 +8540,17 @@
     <string>Use double precision to render</string>
    </property>
   </action>
+  <action name="ActionCompat">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Compat</string>
+   </property>
+   <property name="toolTip">
+    <string>Use flam3 compatibility mode</string>
+   </property>
+  </action>
   <action name="ActionStyle">
    <property name="enabled">
     <bool>true</bool>