[Ipe-announce] Ipe 7.2.18 is out

[Otfried Cheong]

Ipe 7.2.18 is available in source form, as a Windows binary, as a MacOS app, and as Linux packages on the Ipe homepage at
http://ipe.otfried.org.

Once again this fixes a crash with intersection snapping (apparently there is a lot of small print one needs to read in the GSL manual).   It also adds support for luatex in Texlive 2020.

There is also a brand new set of icons, in two flavors for light and dark modes.  These are partially taken from the KDE Breeze icon set, partially drawn by Willem Sonke.  Thank you!

Enjoy,
  Otfried

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Ipe 7.2.18 (2020-05-20)

 * Fix Ipe crashing when GSL reports an error (bug #318).

 * Support luatex on Texlive 2020 (#314).

 * New icons from KDE Breeze icon set and hand-drawn icons by Willem
   Sonke. 

 * On Linux/Qt, Ipe will now pick up the platform theme (so dark mode
   will work).  This had been disabled for many years because of a
   buggy platform theme shipped with Ubuntu 14.04.

 * On OSX, icons will switch between light and dark mode automatically.
 
 * Rewrote ipecurl on Win32 and on OSX to use WinHttp/NSURLSession, 
   removing dependency on the curl library.

 * Keyboard shortcuts now also work from presentation window in
   IpePresenter on Windows (#4).

 * User interface no longer freezes during Latex compilation.

 * Pasting images now preserves transparency on MacOS (thanks Csaba!).

 * Pasting images on Windows will now preserve transparency when the
   producer supports PNG on the clipboard (as seems to be common -
   the Windows clipboard appears to be a big mess).

 * Make sure ipelets can no longer return a page with only secondary
   selections (bug #315).

 * Fix attribute being uninitialized if not set from Lua.

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