Metainfo: update 8.0.0 release notes (#987)

Author: danirabbit

data/terminal.metainfo.xml.in

@@ -72,10 +72,16 @@
       </description>
       <issues>
         <issue url="https://github.com/elementary/terminal/issues/317">Show symbol while terminal is working</issue>
-        <issue url="https://github.com/elementary/terminal/issues/653">Links open when clicking on Terminal app in Alt+Tab</issue>
-        <issue url="https://github.com/elementary/terminal/issues/643">Port Terminal to GTK4</issue>
-        <issue url="https://github.com/elementary/terminal/issues/510">Natural Copy/Paste. Ctrl+c clears the highlighted word. Ctrl+x doesn't.</issue>
         <issue url="https://github.com/elementary/terminal/issues/469">Ctrl + Click to open URLs</issue>
+        <issue url="https://github.com/elementary/terminal/issues/510">Natural Copy/Paste. Ctrl+c clears the highlighted word. Ctrl+x doesn't.</issue>
+        <issue url="https://github.com/elementary/terminal/issues/526">Changing font size when terminal has lots of output is slow.</issue>
+        <issue url="https://github.com/elementary/terminal/issues/643">Port Terminal to GTK4</issue>
+        <issue url="https://github.com/elementary/terminal/issues/653">Links open when clicking on Terminal app in Alt+Tab</issue>
+        <issue url="https://github.com/elementary/terminal/issues/714">Allow to use Ctrl+Backspace for deleting words to the left</issue>
+        <issue url="https://github.com/elementary/terminal/issues/870">Add icon names for Launcher actions</issue>
+        <issue url="https://github.com/elementary/terminal/issues/943">Alt + Up doesn't work in tmux</issue>
+        <issue url="https://github.com/elementary/terminal/issues/955">Using Alt + digit to change tabs clashes with readline</issue>
+        <issue url="https://github.com/elementary/terminal/issues/975">Vanilla "Custom" theme: apt output sometimes invisible through SSH</issue>
       </issues>
     </release>