The headlines:-

  Support for 64bit and API28 (required by Google Play)
  

Here is the full list of changes since the last official release:-

DS 176
- Added support for ublox-7 USB GPS module + Sample.
- Added android:directBootAware to enable USB serial devices at boot.
- Changed Hello World sample so it's not re-created every time.
- Fixed problem with NV21toRGB32 function during camera image processing.

DS 175b2
- Added missing 64 bit libs for FastCanvas.

DS 175b1
- Fixed logic of app.SetOptions( "usebrowser") was inverted for HTML apps.
- Fixed anchor tags with local relative file paths in HTML apps and WebViews.
- Removed admin filter from manifest (please use 'X' version of DS for kiosk apps)

DS 175a3
- Fixed Webview data dir prefix issue for Android 9.
- lst.SetEllipsize now sets both title and body.
- GameView physics enabled for Text objects.
- GameView Tween method fixed for Text objects.
- obj.IsOverlap() fixed for Linear Layouts.
- Temporarily removed support for NoDom option.
- Removed support for GameView 'gles' mode.

DS 175a2
- Added support for 64bit and API28 (required by Google Play)
- app.SetKioskMode( "LockTask", true ) enables proper Android COSU kiosk apps.
- app.SetKioskMode( "Pin", true ) enables proper pinning/unpinning of tasks.
- app.ReplaceInFile() options param can now be left blank.
- app.ReplaceInFile() now accepts regex strings.
- Updated GameView intellisense to include Text object.
- Improved gfx.CreateText() to allow numerics (previously had to use .toString()).
- Added gfx.RemoveText(), gfx.RemoveGraphic(), gfx.RemoveBackground() methods.
- Added sprite.Contains(x,y) method.
- Added sprite.Flip( sprite, horiz, vert ) method.

DS 175a1
- Updated some samples to use 'this' instead of app.GetLast*
- Removed app.CreateListView(), use app.CreateListDialog instead.
- Sped up SQLite callbacks again.
- Added 'modal' and 'kiosk' option to app.CreateDialog().
- Fixed custom dialog sizing issue when using app.SetDensity().

DS 174
- Changed to darker look and feel for Wifi IDE.
- Added dark mode in Wifi IDE for Premium users.
- Added app.SendImage() method.
- Modified internal _Cbm function slightly to allow use of local scope callback funcs.
- More docs added (thanks to Symbroson)
- Added _AddPlugins() function to allow manual inclusion of plugins.
- Added web.SetTextZoom( zoom ).
- app.CreateBluetoothList now requests permission "Location" for > Android 8.
- Changed app.WifiScan now returns list with pipe | instead of comma delimeters.
- Fixed app.ChooseWifi now removes duplicate ssids.
- Added gfx.CreateText() method to GameView (allows use of bitmap fonts)
- Fixed GameView bounce sample.

DS 173b1
- Added 'boolean' type for obj.Method().
- WebViews/HTML apps now pause when not in foreground (can use 'NoPause' option).
- Added CHANGE_NETWORK_STATE permission for app.SetWifiApEnabled method (for Orange-Pi).
- Fixed AdjustColor() exception when dialog has not title.
- Added public Object GetObject( String id ) to plugin parent object (gets a DS object).
- Added "Wifi Access Point" and "IOT Device" samples.
- Added "GPIO Banana-Pi" and "UART Banana-Pi" samples.
- Added app.Quit( msg,[title],[options] ) method (shows message and force quits app).
- Added premium nag popup every month (for non-premium users).

DS 173a8
- Added intellisense to device editor for GameView methods and objects.
- Allowed on device function info/tips to scale up as well as shrink to fit.
- Added new 'AutoSize' option to TextView (scales up and down towards target size).
- Added new config keywords - cfg.NoDom, cfg.Game, cfg.Transparent, cfg.Landscape, cfg.Portrait.
- Deprecated _AddOptions() method in favour of cfg.* keywords.
- Added 'Bunny Storm' GameView demo.
- Removed HScroll, VScroll and GLView game demos.

DS 173a7
- Added new app.CreateGame() method (create GameView apps with one line of code).
- Disabled app.* exception logging in release builds.
- Invalid id's in V8 engine clearTimeout/clearInterval calls now ignored.
- Changed "Game Bounce" demo to use GameView.

DS 173a6
- Fixed IsDebugging results for release builds when not calling app.SetDebug.
- Fixed services throwing ADB exception in APK builds.
- Fixed exception when pressing back button in NoDom mode.
- Fixed launcher sample for package names that contained the sequence ".gif".

DS 173a5
- obj.GetWidth/GetHeight/GetAbsWidth/GetAbsHeight/GetLeft/Right now all return numeric vals.
- Disabled internal ADB debugging for release APKs.
- Added app.SetDebug() for finer logging control (use optional switches 'console,ds,adb' or true/false).
- Added app.IsDebugging() in favour of IsDebugEnabled()
- Deprecated app.SetDebugEnabled() and app.IsDebugEnabled().
- Fixed gles libs included in APKs when 'gles' option not used.

DS 173a4
- Added 'Alarms' permission option.
- Fixed AutoBoot mode for services on Oreo+ (must call app.SetInForeground).
- Updated the services template for Oreo+.

DS 173a3
- Added 'long' and 'bool' types to SendIntent extras.
- Added 'ExactIdle' option to app.SetAlarm().
- Added 'NavRight' mode option to app.SetKioskMode().

DS 173a2
- Added app.IsNavBarOnRight() method.
- Fixed issue with web.SetOnConsole 'bad token'.
- Added public void CallScript(Bundle b,String webViewId) to plugin API.
- Added new I() function to force unique instance of callbacks.

DS 173a1
- Added 'UseBrowser' option for HTML apps.
- Enabled file downloading in HTML apps.
- Added 'Screen' option to obj.GetPosition()- returns screen relative posn.
- Added app.GetParent() method to get parent layout object (if set).
- GameView methods now added to intellisense in wifi ide.
- Added exception handling to onActivityResult (protect against plugin crashes).
- Removed wallpaper service from APK manifests.
- Internal super.onDestroy() now called when permissions not given by user.
- Enabled all FTDI usb device types for serial comms.
- Added tooltip/help sample.
- Added app.ChooseWifi() method (popup to choose wifi ssid).
- Added app template selector to on-device editor.
- Plugin extraction now shows progress spinner for APK builds.