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+Changes since 5.21: * New hacks, `kaleidocycle', `quasicrystal',
+ `unknownpleasures' and `hexadrop'.
+ * Performance improvements for `interference'.
+ * Fixed possible crashes in `apple2', `maze', `pacman',
+ `polyominoes', `fireworkx', `engine'.
+ * Fix for `bumps' in 64 bit.
+ * Fixed preferences crash on old iOS 5 devices.
+ * Fixed "Shake to Randomize"; display name of saver.
+ * Fixed weirdness with "Frame Rate" sliders on iOS.
+ * Fixed rotation problems with `pacman', `decayscreen'.
+ * Better dragging in `fluidballs'.
+ * Ignore rotation in hacks that don't benefit from it.
+ * Ignore DEACTIVATE messages when locked, instead of
+ popping up the password dialog box.
Changes since 5.20: * Changed default text source from Twitter to Wikipedia,
since Twitter now requires a login to get any feeds.
* New version of `fireworkx'.