--- description: "Detailed release notes and version history for the IODD 2531 firmware." --- # 📜 IODD 2531 Version History Below is the legacy version history and modification log for the **IODD 2531** firmware. --- ### Version 1600N/F (Release) **Date:** July 14, 2016 * **Enhancement**: Significant improvements to LCD visibility and rendering. ### Version 1558N/F (Beta) **Date:** April 23, 2016 * **New Feature**: Added the `Menu -> Advanced -> Instant Save` option. * *Note*: When checked, loading information will be saved instantly upon selecting an ISO file. ### Version 1555N/F (Release) **Date:** March 28, 2016 * **Enhancement**: VHD and RMD files are now fully compatible with **Rufus**, allowing for easier creation of bootable virtual drives. ### Version 1288F (Release) **Date:** June 17, 2014 * **Optimization**: General improvements and bug fixes over the baseline version 1284. ### Version 1288N (Release) **Date:** June 2, 2014 * **Optimization**: General improvements and bug fixes over the baseline version 1284.