The stable version of the 86Box emulator has been updated to 5.1

Changelog
Emulator
 - Added input scaling options to the OpenGL 3.0 Core renderer
 - Added saving of full screen mode after exiting the emulator
 - Added portable mode enabled by placing an empty 86box_global.cfg file next to the Windows executable, macOS app bundle or Linux AppImage
 - Fixed keyboard shortcuts with numpad keys in full screen mode
 - Fixed command line options not applying to machines started from the manager
 - Fixed --clear command line option in its long form
 
User interface
 - Added color scheme override option to the Preferences window on Windows hosts
 - Added remember size & position option to the manager’s Preferences window
 - Added interlaced mode indication to the refresh rate display
 - Added machine actions to the manager’s right-click menu
 - Improved ordering on Settings window machine lists
 - Fixed resizable window option crashing the emulator on Windows hosts
 - Fixed incorrect window size when hiding the toolbar and status bar
 - Fixed blank sections and missing CD-ROM information on the manager’s machine details display
 - Updated translations: Chinese (Taiwan), Finnish, French, Italian, Portuguese (Brazil)

Machines
 Multiple categories
  - Fixed floppy disk error on several machines with Winbond Super I/O

 808x
  - Added machines: Multitech PC-500, Multitech PC-900
  - Added display line doubling modes to the Amstrad PC1512, PC1640, IBM PCjr and Tandy 1000 family
  - Fixed Amstrad PC1512 screen clearing effect
  - Fixed F11 and F12 keys not working on the Tandy 1000 family
  - Renamed the existing Multitech PC-500 to PC-500 plus
  - Changed Olivetti M19 BIOS revision to a newer one
  
 286
  - Added Model 50Z BIOS variant option to the IBM PS/2 Model 50
  - Fixed chipset name on the Hyundai Super-286C
  - Renamed AMI IBM AT to Trangg Bow Unknown 286
  - Renamed Phoenix IBM AT and Quadtel IBM AT into AT clones
  - Changed maximum RAM on the IBM AT clones
  - Changed minimum RAM on the Senor Science Co. SCAT-286-003
  
 386
  - Moved BIOS version variants of the Compaq Deskpro 386 into a single entry with BIOS variant selection
  - Moved MR BIOS variants of the Chaintech 325AX and DataExpert SX495 into the base machines as BIOS variant options
  - Reverted incorrect removal of the on-board IDE controller from the Commodore SL386SX-16
  - Fixed keyboard not working properly on the Acrosser AR-B1374
  - Fixed parallel port on the CAF Technology C747

 486
  - Added Socket 1 machine: Olivetti PCS 44/C
  - Moved Rev D and MR BIOS variants of the Jetway J-403TG into the base machine as BIOS variant options
  - Moved IBM Aptiva 510/710/Vision into the base IBM PC 330 (type 6573) as a BIOS variant option
  - Fixed AMI WinBIOS 486 PCI not booting
  - Fixed floppy drives not working on the Silicon Valley Computer 486WB
  - Fixed keyboard not working properly on the Advanced Integration Research 486PI, AMI Super Voyager PCI, ECS Elite UM8810P-AIO, Intel Classic/PCI ED and MSI MS-4145
  - Fixed Fixed I/O port resource conflict error on the ICS SB486P
  - Fixed Shuttle HOT-433A Award BIOS option not working properly
  - Fixed Intel Classic/PCI not saving BIOS settings
  - Renamed Dell 466/NP to Dell System 4xx/NP
  - Changed maximum RAM on the Acer V10
  
 586
  - Added Socket 4 machine: Intel Premiere/PCI (Batman)
  - Added newer BIOS version option to the Biostar M5ATA
  - Added older BIOS version option to the Rise R534F
  - Added NEC PowerMate V2xxx/P2xxx BIOS variant option to the Intel CU430HX
  - Moved AMBRA DP60 PCI and Dell Dimension XPS P60 into the base Intel Premiere/PCI as BIOS variant options
  - Moved AMBRA DP90 PCI and Dell Dimension XPS Pxxx into the base Intel Premiere/PCI II as BIOS variant options
  - Moved Gateway 2000 Thor into the base Intel Advanced/ATX as a BIOS variant option
  - Moved Toshiba Equium 5200D into the base Intel CU430HX as a BIOS variant option
  - Moved Toshiba Infinia 7201 into the base Intel TC430HX as a BIOS variant option
  - Moved MR BIOS variants of the ASUS P/I-P55TP4XE and Intel Advanced/ATX into the base machines as BIOS variant options
  - Fixed TMC PAT54PV not booting
  - Fixed IDE hard disks not working on the Dell Dimension XPS Pxxx
  - Fixed keyboard not working properly on the Teknor TEK-932
  - Changed maximum CPU support on the MSI MS-5119
  
 686
  - Added newer BIOS version option to the ABIT BX6
  - Moved Dell Dimension XPS Pro___n and Gateway 2000 Venus into the base Intel VS440FX as BIOS variant options
  - Fixed Micronics Spitfire hanging during POST
  
Hardware
 Core
  - Improved performance of 386DX CPUs

 Display
  - Added loading of custom monitor EDID files
  - Added configuration EEPROM support to ELSA S3 cards
  - Added 256-color text mode support to VGA cards
  - Improved CGA display line doubling mode quality
  - Fixed incorrect refresh rates on the C&T SuperEGA
  - Fixed Voodoo Banshee/3 rendering glitches on direct SVGA applications
  - Fixed S3 Trio32 cursor rendering glitches
  - Fixed Matrox rendering glitches on full motion video applications
  - Fixed screen cut-off issues and incorrect refresh rates in S3 cards

 Input
  - Added keyboard key remapping through manual configuration file editing
  - Fixed game controller detection on macOS hosts

 Sound
  - Added Gravis UltraSound rev 3.7 and Gravis UltraSound ACE ISA sound cards
  - Added game port control to the Gravis Ultrasound family
  - Fixed incorrect I/O port options on the Covox Sound Master Plus
  - Changed minimum RAM on the Gravis UltraSound MAX
 
 Network
  - Fixed SLiRP changing its IP addresses on hard reset
  - Fixed incorrect behavior with multiple DEC and/or Realtek RTL8139 network cards in the same machine
 
 Ports
  - Added status line support to serial passthrough
  - Added international character set support to the ESC/P printer
  - Added 28800 and 33600 baud options to the modem
  - Renamed ESC/P printer to ESC/P 2 to better reflect its hardware capabilities
  - Fixed printers not behaving properly on faster emulated CPUs
  - Fixed ECP mode printing on several machines
  - Fixed ESC/P printer printing monospaced text with an incorrect font in some cases
 
 Storage
  - Added CD-ROM CRC/ECC check override through manual configuration file editing
  - Fixed read errors with Video CD, Mode 2 and multi-session CD-ROM images
  - Fixed incorrect detection of DVDs in host drives
  - Fixed emulator crashes with SCSI devices on some operating systems and drivers
  - Fixed detection of secondary IDE devices alongside an ATAPI primary device on some operating systems