- CAS icon implemented to provide a menu of cassette-based actions including swapping tape/disk for multi-load games - SC-3000 emulated more fully with support for the SC-3000 Survivors Multi-Cart - PAL vs NTSC now supported for the Memotech MTX, Spectravideo SVI and SC-3000 - SAV files have been streamlined and are now smaller/faster. Old saves won't work - Better overall memory handling to keep the program size manageable

- Bugfix in WAV2CPC - New feature: Memory Mapper (in Debugger): First 128k as visible graph, updated in realtime (Idea by Jason Brooks) - Update in WAV2CPC: The tool now automatically generates all required files, incl. BASIC loader, to playback generated samples - Minor fixes

- Resolved issue where black bars could appear in the top and bottom border areas, and a white bar at the end of the VSync pulse

- Fixed double clicking on breakpoint addresses not moving to that address in disassembly - Fixed not being able to remove simple breakpoints - Fixed being able to add one zero length conditional breakpoint - +3 emulation now uses an official v4.1 ROM

- Ugly GUI bug in I/O ports options, output to file (Windows) - ACSI add dummies for commands and A - Misc. fixes - Debug builds are now named SteemD... because the debugger is only part of them - Fix quicker joystick reading in 6301 emu for USB controllers - GUI glitches on loading a config/snapshot - Emulation thread: fix freezes when changing ST Video options live (not the first time I claim that!) - Misc. fixes - Fix stack overflow on TOS option page (superb R2 bug) - Fix emulation freeze after some program-initiated resets (Auto053/Erebus TOS 1.0) - More checks for the presence of plugins (disk images, archives) - Lot of Disk Image database typo fixes (disk manager/F9) - Fix MIDI output option (again) - Safer video rendering - Fix need option Hacks to run a CTR image - CPU-friendlier loops inside polling threads (Windows) - Linux builds compatible with Ubuntu 20.04 (previous v4.1.1 releases needed 21.04) - Fix no icons in taskbar (Linux) - Shortcut to XSteem and icon (Linux) - Debug builds are now named SteemDebug... for clarity. - Fix screenshot in stretch display (thx Cogweasel) - Fix links to Microsoft runtimes in manual (not my fault) - Fix VSync running amok on mixed low/medium resolution programs at double frequencies - Change handling of PC serial I/O - Step sounds when drive empty, led if 'Hacks' not checked - 64bit builds-only bugs: 1bit delay for 6301 serial interface (demo Froggies), high resolution rasters (demo Time Slices) - Fix bug in loading snapshots that could lead to undefined behaviour - Little GUI glitches - Wrong data on DMA writes handled by pasti.dll - Vertical sync interrupt timing on STF wakeup 1 (64bit) - Bugfixes in floppy disk MFM emulation - Misc. stability fixes - Bugfix ArchiveAccess extracts wrong file if too many in archive - Bugfix zip files unrecognized in Linux 64 builds - Bugfix STW disks don't appear in disk manager in Linux builds - Misc. fixes - Fix R10 bugs - Fix joystick port dongles (bug v4.1.0 R0); for Cricket Captain, the emulation never worked so it has been replaced with patches

General - Simplified drivers initialization - Deco BAC06 - Added video buffer - Fixed sprite RAM size - Fixed row & col scroll - Samples - Now you can specify the source file (fixes sample load from 'New Rally X') - CPU - M68000 - Added opcode 'ror.w' (fixes E-Swat) - M6800 - Fixed opcodes LSR, ROR, LSRD, ASLD, DAA, BHI and BLS - Fixed flags from RTI (Fixes 'Knockle Joe') Act Fancer - Updated ROMs Contra - Fixed Sound CPU clock Deco 0 HW - Fixed many graphics issues - Changed FPS, adjusted lines - Sly Spy: Added driver with sound - Bouder Dash I/II: Added driver with sound Epos HW - The Glob: Added dip switches - Superglob: Added dip switches Megazone - Fixed CPU clock - Fixed scroll - Updated ROMs names Pengo - Added dip switches Popeye - Fixed CPU NMI Route 16 HW - Fixed DAC reset Slapfigth HW - Removed sprites buffer - Added dip switches and P2 controls - Fixed video lines - Fixed IRQ generation - Fixed CPU memory map - Added sound CPU reset TNZS HW - Fixed YM2203 init Twin Cobra HW - Added dip switches