SoftPerfect RAM Disk Changelog

Date	Version	Details
2021-01-04	4.2	Added: disk space gauge in the main view. Added: custom cluster size support in command line parameters. Improved: more reliable handling of system shutdown for writing image data. Improved: more compact exFAT file allocation table for increasing available disk space. Fixed: exFAT formatting for large disks with small clusters where FAT bitmap exceeded 64 bits.
2020-07-23	4.1.1	Improved: new user interface languages and other minor enhancements. Fixed: security issue with permissions when creating disk images. Fixed: security issue with kernel memory pointer disclosure.
2020-04-27	4.1	Improved: efficient image file on-disk storage based on sparse files. Improved: instant image file creation regardless of its logical size. Fixed: a rare crash when multiple image-based disks were defined. Changed: Windows 7 is now the minimum required OS version.
2019-05-14	4.0.9	Added: NUMA-node parameter in the console edition. Added: Windows Hybrid Boot detection and advice to turn it off. Improved: up to 2x performance increase in multithreaded I/O.
2018-10-04	4.0.8	Fixed creating disks over 4GB on Windows 10 RS5 (v1809) that was broken with Microsoft update. Added official Windows Server 2019 support.
2018-05-25	4.0.7	All graphics and icons are now vector images and scale to any DPI on high-resolution displays. Added the time of the last image file update to the main view.
2018-04-16	4.0.6	Added custom cluster size setting for file systems. Fixed an error when deleting a RAM disk. Fixed an issue with creating long nested folders.
2018-03-23	4.0.5	Optimised memory allocation to reduce creation time for large disks. Optimised memory zero filling to improve disk initialisation time.
2017-10-12	4.0.4	Added exFAT support offering reduced overhead and better performance over NTFS. Added nested folders support for boot-time RAM disks similar to logon-time ones. Boot-time disks retain their mount state between reboots like logon-time disks. Simplified update procedure: just install a newer version over and reboot.
2017-08-24	4.0.3	Fixed a few issues when running under Driver Verifier. Where possible use NX memory allocations for added security. Added new EV digital signature and passed Microsoft driver certification. Added compatibility with Device Guard on Windows 10 and Server 2016.
2017-03-01	4.0.2	Added /rem and /hdd command line switches in the console version. Fixed a stability issue when one or more system disks were dynamic.
2017-02-06	4.0.1	Added console version to create on-demand RAM disks from a service or script.
2016-11-05	4.0	Product is no longer free for home users: licence fee applies. Fixed memory allocation in a specific NUMA node when requested.
2016-10-02	3.4.8	Windows 2016 Server and Windows 10 Anniversary support. Fixed a BSOD when a boot-time volume couldn't be mounted. Fixed creating VHDX and similar files on HDD-emulated disks.
2015-10-29	3.4.7	Added Windows 10 compatibility and fixed issues with the product. Added executing .bat and .cmd files in automatically started apps. Allowed to manually save data to image even when data persistence is off.
2014-09-04	3.4.6	Fixed a compatibility issue with Virtual CloneDrive. Fixed freezing on shutdown when using HDD emulation with an image.
2014-02-03	3.4.5	Fixed an issue with NTFS formatting with a volume label. Fixed an issue with NTFS formatting with the HDD emulation. Added an option to select a NUMA node on Windows 8 and higher.
2014-01-15	3.4.4	Fixed /force command that did not work if the RAM disk GUI was running. Fixed maxing out CPU on image-based RAM disks with periodic data saving.
2013-11-14	3.4.3	Fixed Task Manager crashes on Windows 8 and Windows 8.1. Fixed an obscure startup crash in Samsung Magician.
2013-10-04	3.4.2	Fixed an issue when creating more than one disk on Windows 7 and above. Improved Windows 8.1 compatibility and better dynamic disks support.
2013-10-02	3.4.1	Fixed not mounting a boot-time volume with an image file attached. Fixed a few stability issues and slightly improved I/O performance.
2013-09-01	3.4	Added complete hard-disk emulation (for volume snapshots, shadow copy, etc). Improved support for large in-memory volumes on 32-bit systems. Added on-demand saving to image files and the /save command line switch. Numerous improvements and bug fixes, including Windows 8.1 support.
2012-11-21	3.3.3	Fixed periodic saving to newly created boot-time image based disks. Added flushing disk cache after writing to disk images for more reliability.
2012-10-11	3.3.2	Fixed creating and mounting large image files. Fixed corruption of large files on NTFS based RAM disks.
2012-10-06	3.3.1	Major optimisation with performance gains 20% to 900% in various tests. Added Greek language and others updated. EULA changed for commercial organisations.
2012-09-30	3.3	This software is freeware as of this release. Added multilingual support and several built-in languages. Added differential writing of disk images (only changed blocks are saved). Added Windows 8 support.
2012-01-08	3.2.2	Application has been made fully 64-bit when installed on 64-bit systems. Fixed occasional GUI startup crash when boot-time volumes were in use.
2011-07-23	3.2.1	Mounted image files can now also be ejected from Windows Explorer. Fixed a bug that could randomly cause the system to freeze.
2011-05-30	3.2	Added automatically created folders on a boot-time RAM disk. Added periodic saving RAM disk contents to an image file for a logon-time RAM disk. Fixed editing RAM disks with an associated image file (resulted in a file locked message).
2011-05-14	3.1	Fixed incompatibility with Rollback RX and a few other issues. Added command line options support and environment variables support for automatically launched applications. Added waiting until a launched application fully starts before launching another to prevent system slowdown. Added showing the actual file system instead of RAW and real disk size for image-based disks. Added command line switches support to create and manipulate RAM disks via a command line interface.
2010-05-30	3.0.2	Added compressed NTFS volumes support to save RAM disk space. Added creation of preformatted image files. Fixed formatting newly created image files that could cause Windows Vista / Seven to hang during formatting. Various minor improvements and tweaks.
2010-04-10	3.0.1	Improved multiuser environment support (correct handling of multiple logons where disk with the same name is already mounted). Added configurable volume label accessible via advanced disk properties. Newly created disks now have indexing attribute turned off by default.
2010-03-23	3.0	Added mount/unmount all disks command and an expanded popup menu in the system tray providing quick access to major features. Added boot-time disk support (RAM disks mounted before user logon) making the software usable for servers and server applications. It is also now possible to place the pagefile on such a disk. Numerous optimisations throughout the product. Subject to the host OS, projected performance gains compared to the previous version are about 10% for sequential I/O, 30-50% for large block I/O and 400-600% for small block I/O. Fixed inability to change disk properties if its new size added with the current size exceeded available RAM. Fixed editing TMP/TEMP variables as they became non-expandable after editing, which caused issues with values like %USERPROFILE%.
2010-01-16	2.0.1	Allows to create disks of up 95% of the available RAM. Added editing RAM disks (changing properties). Added on-demand on-line checking for updates. Made other minor tweaks.
2010-01-13	2.0	Fixed inability to create volumes over 2 GB. Added 64-bit systems support. Added Mount/Unmount commands. Added several new global options. Added user manual. Several tweaks and fixes throughout the product. Distribution terms changed to 30-day trial.
2009-11-18	1.0.1	Added ram-disk import/export feature. Added Windows TEMP/TMP environment variable editor.
2009-11-13	1.0	The first beta-version of our new RAM disk product has been released. We appreciate any feedback.