2.21

- Fixed a memory leak, which could lead to a crash after going through hundreds of pictures

- Fixed the crop tool window on Windows 8

- A new experimental demosaic method (can be chosen in the Options menu and is called "Hybrid")

- Small performance optimizations

- Tweaks to highlight recovery

- Changed "Automatic" resize mode to use Lánczos filtering for reduction (sharper results)

- Fixed edge filtering problems of the thumbnail display

- A button in the preferences for manually clearing the thumbnail cache

- Potentially fixed the noise filtered version of the image occasionally not being displayed after the noise filter finished (note: the noise filtered version is still only shown for zoom >=50%)

- Potentially better resilience from damaged raw files

- Fixed purple highlights on Olympus E-3, XZ-1

- Support has been added for: Nikon 1 V3, 1 J4, D3300, D5500, D7200, Olympus E-PL6, E-PL7, E-M10, E-M5Mark II, SH-2, Pentax K-S1, Samsung NX30

- Lots of small changes under the hood