Changes between 1.19 and 1.20 (29 June 2017) :

- All OSes:
* Use 64-bit optimized assembly implementation of Twofish and Camellia by Jussi Kivilinna.
- Camellia 2.5 faster when AES-NI supported by CPU. 30% faster without it.
* Use optimized implementation for SHA-512/SHA256.
- 33% speedup on 64-bit systems.
* Deploy local HTML documentation instead of User Guide PDF.
* Change links in UI from ones on Codeplex to ones hosted at veracrypt.fr
* Security: build binaries with support for Address Space Layout Randomization (ASLR).

- Windows:
* Fix bug in EFI system decryption using EFI Rescue Disk
* Enable using Secure Desktop for password entry. Add preferences option and
command line switch (/secureDesktop) to activate it.
* Use default mount parameters when mounting multiple favorites with password caching.
* Enable specifying PRF and TrueCryptMode for favorites.
* Preliminary driver changes to support EFI hidden OS functionality.
* Fix Streebog not recognized by /hash command line.
* Add support for ReFS filesystem on Windows 10 when creating normal volumes
* Fix high CPU usage when favorite configured to mount with VolumeID on arrival.
* Use CHM file for User Guide instead of PDF.
* Fix false warning in case of EFI system encryption about Windows not installed on boot drive.
* Enhancements to driver handling of various disk IOCTL.
* Enhancements to EFI bootloader. Add possibility to manually edit EFI configuration file.
* Driver Security: Use enhanced protection of NX pool under Windows 8 and later.
* Reduce performance impact of internal check for disconnected network drives.
* Minor fixes.