NetBSD 9.1 features a plethora of improvements to this BSD operating system including changes such as:
- NetBSD 9.1 features a new default X11 window manager and other desktop/X11 side improvements.
- Better default input behavior for Lenovo ThinkPad laptops around clickpads and trackpoints.
- Improved frame-buffer console performance to the extent that it should even help the AMD64 boot speed.
- Fixes and other improvements around the ZFS file-system support. The LFS log-structured BSD file-system has also seen some improvements in the area of stability.
- Support for USB security keys in raw mode that can then be used by applications such as Firefox.
- Support for the Xen 4.13 hypervisor while also continuing to improve their NVMM hypervisor .
- Expanded support for hardware random number generators with hardware RNGs on various Arm chips and more now being supported.
- The AQ driver now supports Aquantia 10 Gigabit Ethernet adapters.
- Parallelized disk encryption support with NetBSD's CGD cryptographic disk driver.
- Various package updates and other fixes.
More details on the NetBSD 9.1 changes and downloads at NetBSD.org .