- Update to 6.0.0:
* Python 2.7 support will be removed in Pillow 7.0.0 #3682 [hugovk]
* Add EXIF class #3625 [radarhere]
* Add ImageOps exif_transpose method #3687 [radarhere]
* Added warnings to deprecated CMSProfile attributes #3615 [hugovk]
* Documented reading TIFF multiframe images #3720 [akuchling]
* Improved speed of opening an MPO file #3658 [Glandos]
* Update palette in quantize #3721 [radarhere]
* Improvements to TIFF is_animated and n_frames #3714 [radarhere]
* Fixed incompatible pointer type warnings #3754 [radarhere]
* Improvements to PA and LA conversion and palette operations #3728 [radarhere]
* Consistent DPI rounding #3709 [radarhere]
* Change size of MPO image to match frame #3588 [radarhere]
* Read Photoshop resolution data #3701 [radarhere]
* Ensure image is mutable before saving #3724 [radarhere]
* Correct remap_palette documentation #3740 [radarhere]
* Promote P images to PA in putalpha #3726 [radarhere]
* Allow RGB and RGBA values for new P images #3719 [radarhere]
* Fixed TIFF bug when seeking backwards and then forwards #3713 [radarhere]
* Cache EXIF information #3498 [Glandos]
* Added transparency for all PNG greyscale modes #3744 [radarhere]
* Fix deprecation warnings in Python 3.8 #3749 [radarhere]
* Fixed GIF bug when rewinding to a non-zero frame #3716 [radarhere]
* Only close original fp in __del__ and __exit__ if original fp is exclusive #3683 [radarhere]
* Fix BytesWarning in Tests/test_numpy.py #3725 [jdufresne]
* Add missing MIME types and extensions #3520 [pirate486743186]
* Add I;16 PNG save #3566 [radarhere]
* Add support for BMP RGBA bitfield compression #3705 [radarhere]
* Added ability to set language for text rendering #3693 [iwsfutcmd]
* Only close exclusive fp on Image __exit__ #3698 [radarhere]