Updated whatsnew file for 1.20 release

whatsnew.md

@@ -1,5 +1,5 @@
-Version 1.20beta4
------------------
+Version 1.20
+------------
 
 Upgrade notes:
 - This release is compatible with RepRapFirmware 1.20 and 1.21RC versions. It will not work with older versions of RepRapFirmware.
@@ -10,26 +10,15 @@ New and changed features:
 - Custom splash screens can be added by appending the compressed splash screen image to the end of the 'nologo' version of the binary
 - The splash screen can now be cancelled by touching the display
 - Larger brightness up/down steps are used
-- The display dims after 1 minute of inactivity
-- The "Simulating" state reported by 1.21RC3 firmware is recognised
+- The display dims after 1 minute of inactivity. Dimming can be disabled.
+- The "Simulating" state reported by 1.21RC3 RepRapFirmware is recognised
 - The babystepping increment is reduced to 0.02mm
-- Czech language is supported. but not working on 4.3" build
+- Czech language is supported, but not displaying correctly on 4.3" build
 - Characters from U_0x0100 to U+0x1FF are now supported, but not displaying correctly on 4.3" build
 - Corrected German translation of "Invert display"
 - "Speed" is not longer translated to German because the translation was too long to fit
 - Pressing the Control button now closes popups on the Control page
 - The standby bed temperature can now be set
-
-Bug fixes:
-- The extrusion factor buttons adjusted the wrong extruder
-
-Version 1.20beta1
------------------
-
-Upgrade notes:
-- This release is compatible with RepRapFirmware 1.20. It will not work with older versions of RepRapFirmware.
-
-New and changed features:
 - Added support for M291 message boxes with optional OK/Cancel buttons and Z adjustment
 - Added a shifted mode to the keyboard
 - Added an option to simulate printing a file