What features does it have?

• Working 16K, 48K (including the NTSC variant), 128K, +2, +2A, +3, +3e, SE, TC2048, TC2068, TS2068, Pentagon 128, Pentagon "512" (Pentagon 128 modified for extra memory), Pentagon 1024 and Scorpion ZS 256 emulation, running at true Speccy speed on any computer you're likely to try it on.
• Support for loading from .tzx and .pzx files, including accelerated loading.
• Sound
• Kempston joystick emulation.
• Emulation of the various printers you could attach to the Spectrum.
• Support for the RZX input recording file format.
• Emulation of the DivIDE, Spectranet, Interface I, +D, DISCiPLE, Beta 128, Opus Discovery, Kempston mouse, Fuller audio box, Spectrum +3e, SpecDrum, ZXATASP and ZXCF interfaces.

• Remove all ROMs for which there isn't explicit permission to distribute (Philip Kendall). All the affected hardware is still supported, but the ROM images will need to be obtained elsewhere and then the Fuse preferences set to refer to these new ROM images. This applies to the following machines; Pentagon series and Scorpion, and the following interfaces; Interface I, Opus Discovery, Betadisk.
• Any changes that enable and disable peripherals may result in a hard reset of the emulated machine if required for proper emulation of the hardware.

• Add Spectranet Ethernet interface emulation.
• Add SpecDrum sound interface emulation.
• Add DISCiPLE disk interface emulation, note that Sinclair Network emulation is not provided, and the interface is not available under 128K emulation in this release.
• Support reading PZX files.
• Add support for POK files.
• Add recording of movies to FMF files.

• Add support for ABC AY stereo.
• Correct feedback in AY noise generator.
• MIC bit only isn't enough to drive the speaker.
• Mirror Interface 1 ROM to the second 8Kb of ROM as in the real interface.
• Support the Beta interface setting to not auto-boot the interface on 48K machines.
• Support setting late timings from snapshots.
• Add separate switch to enable ZX Printer emulation.
• Reset machine when installed peripherals are changed.
• Fix memory disk image corrupted after save.
• Allow up to 15 joystick buttons to be defined to accommodate, e.g., XBox 360 ABXY button use.
• Fix loading of EDSK files with redundant sector images.

• Read and write all potential 1024k worth of memory pages from a snap.
• Initialise the Pentagon 1024k memory ports from a snapshot.
• Restore the paged state of the Beta ROM when loading Pentagon 128k/512k/1024k snapshots.
• Fix SE writing dock and exrom pages to snapshots.
• Update SE ROMs to v4.04.
• Update to v1.38 of the +3e ROMs.

• Disassemble ED 4D as RETI.
• Add IM, IFF1 and IFF2 setting and getting to the debugger.

• Support for the TZX set signal level block.
• Support setting late timings from snapshots.
• Fix 16x9 panoramic widescreen and non-panoramic non-4/3 widescreen.
• Properly handle opening and closing windows more than once.
• Fix display of memory map in debugger.
• Updated retina icon images from Paul van der Laan.

• Various other minor bugfixes.