TL;DR

• Furi: various OS primitives refactoring, improved stability and reliability, new event loop module, smaller memory footprint
• Nfc: MiFare Plus support, Felica emulation support, Ultralight cards write support, various bug fixes and improvements
• SubGhz: improve Princeton protocol support, various bug fixes and improvements
• Rfid: add SecuraKey Radio Key protocol support by @zinongli
• Updater: fix bug preventing booting big update images
• Cli: new command top with runtime process stats
• USB: fix various crashes and lockups, improve compatibility
• Archive: various bug fixes and improvements
• RPC: new command for on-device file extraction
• Development tools: cland language server support

What's Changed

• Furi: wrap message queue in container, prepare it for epoll. Accessor: disable expansion service on start. by @skotopes in https://github.com/flipperdevices/flipperzero-firmware/pull/3672
• Updater: fix inability to update with bigger updater.bin by @skotopes in https://github.com/flipperdevices/flipperzero-firmware/pull/3676
• SubGhz: Princeton protocol add custom guard time by @Skorpionm in https://github.com/flipperdevices/flipperzero-firmware/pull/3671
• fbt, vscode: tweaks for cdb generation for clangd by @hedger in https://github.com/flipperdevices/flipperzero-firmware/pull/3680
• Add initial ISO7816 support by @kidbomb in https://github.com/flipperdevices/flipperzero-firmware/pull/3681
• cleanup of various warnings from clangd by @hedger in https://github.com/flipperdevices/flipperzero-firmware/pull/3682
• [FL-3832] Use static synchronization primitives by @gsurkov in https://github.com/flipperdevices/flipperzero-firmware/pull/3679
• [FL-3808] Fix renaming directories with dots in archive by @gsurkov in https://github.com/flipperdevices/flipperzero-firmware/pull/3692
• [FL-3786] Fixed infinite loop in dictionary attack scene by @RebornedBrain in https://github.com/flipperdevices/flipperzero-firmware/pull/3686
• RPC: Add TarExtract command, some small fixes by @Willy-JL in https://github.com/flipperdevices/flipperzero-firmware/pull/3685
• [FL-3811] Write to ultralight cards is now possible by @RebornedBrain in https://github.com/flipperdevices/flipperzero-firmware/pull/3684
• [FL-3810] Felica emulation by @RebornedBrain in https://github.com/flipperdevices/flipperzero-firmware/pull/3673
• [FL-3840] SubGhz: fix gui "No transition to the "Saved" menu when deleting a SubGHz RAW file" by @Skorpionm in https://github.com/flipperdevices/flipperzero-firmware/pull/3695
• Code Cleanup: unused includes, useless checks, unused variables, etc... by @skotopes in https://github.com/flipperdevices/flipperzero-firmware/pull/3696
• [FL-3833] Furi: event loop by @skotopes in https://github.com/flipperdevices/flipperzero-firmware/pull/3675
• [FL-3746] Mifare Plus detection support by @Astrrra in https://github.com/flipperdevices/flipperzero-firmware/pull/3607
• [FL-3840] SubGhz: fix navigation GUI by @Skorpionm in https://github.com/flipperdevices/flipperzero-firmware/pull/3702
• VA Fixes: USB IRQ Handling and EP configuration, Thread handler shenanigans. by @skotopes in https://github.com/flipperdevices/flipperzero-firmware/pull/3705
• [FL-3844] Loader: fix crash on "locked via cli loader" by @DrZlo13 in https://github.com/flipperdevices/flipperzero-firmware/pull/3706
• [LFRFID] Added Support for Securakey Protocol by @zinongli in https://github.com/flipperdevices/flipperzero-firmware/pull/3697
• [FL-3842] Desktop lockup fix, GUI improvements by @skotopes in https://github.com/flipperdevices/flipperzero-firmware/pull/3710
• Cli: top by @skotopes in https://github.com/flipperdevices/flipperzero-firmware/pull/3707

New Contributors

• @zinongli made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/3697

Full Changelog: https://github.com/flipperdevices/flipperzero-firmware/compare/0.102.3-rc...0.103.0-rc