Update NEWS for 3.5

NEWS

@@ -1,3 +1,15 @@
+Version 3.5
+-----------
+
+- Added a tool to remove same-as-source translations.
+- Further improvements to JSON support, e.g. better compatiblity with Angular files.
+- Improved QA checks and editor performance.
+- Many "plumbing" improvements: upgraded to wxWidgets 3.2, Windows binaries are
+  now 64-bit, system ICU is now used (smaller downloads) etc.
+- [Windows] Improved support for Windows 11 and modern visuals. Windows 10 is now required.
+- [Windows] Accessibility improvements with NVDA.
+
+
 Version 3.4.4
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