I am pleased to announce the release of ShadowFreeze 1.0.5, the first final release of ShadowFreeze.
ShadowFreeze is a Windows disk virtualization and system-freezing solution designed to protect a system volume by redirecting changes into an overlay. While protection is active, applications and Windows continue to see and use the system normally, but modifications are kept separate from the original disk state. After discarding the overlay and rebooting, the system returns to its previous state.
Unlike a traditional sandbox, ShadowFreeze operates at the storage layer and can therefore protect the complete Windows installation rather than individual applications. The underlying, unmodified disk state can also be mounted separately when required, allowing files to be accessed or deliberately modified outside the active virtualized view.
The 1.0.x development and testing cycle concentrated heavily on filesystem correctness, persistence, recovery behavior, and compatibility with modern storage configurations. This included fixes for FAT32, exFAT and ReFS handling, overlay resume and persistence, metadata integrity, race conditions and deadlocks, as well as support for native 4K-sector drives.
Version 1.0.5 marks the point at which ShadowFreeze is considered ready for normal use rather than being an experimental preview. This release disables the remaining debug logging code and includes the latest version of the integrated disk toolbox.
As with any software operating directly on storage devices and filesystem data, maintaining a current and verified backup of important data is strongly recommended. ShadowFreeze is intended to make system experimentation, testing and recovery significantly easier, but it should not be considered a replacement for proper backups.
Thank you to everyone who tested the early builds and reported issues. The feedback during the 1.0 development cycle helped uncover and resolve a substantial number of edge cases that would otherwise have been very difficult to reproduce.
Download: https://shadowfreeze.com/Downloads/ShadowFreeze/ShadowFreeze-v1.0.5.exe