TL;DR

• New Application: SPI Mem Manager - allows to read/write spi memory chips
• SubGhz: new protocols, new BinRAW protocol that allows detection of unknown protocols, bug fixes and improvements
• NFC: MFC block value commands support, bug fixes and improvements
• Bluetooth/USB Remote: functional keys support
• Storage: completely rewritten SD Card block device layer, improvements and bug fixes
• BadUSB: keyboard layouts
• Infrared: projector universal remote, new universal remote
• Furi: FreeRTOS kernel updated to latest release
• Recovery: new combo for Pin & Factory reset (press and hold Up + Back ~30 seconds)
• Onewire: API updated to be usable on any GPIO pin

What's Changed

• Migrating CI/CD to Linode S3 by @drunkbatya in https://github.com/flipperdevices/flipperzero-firmware/pull/2380
• Fixed typo in nfc_magic_scene_wrong_card.c by @Pierce01 in https://github.com/flipperdevices/flipperzero-firmware/pull/2382
• Mark debug app as debug not external by @Willy-JL in https://github.com/flipperdevices/flipperzero-firmware/pull/2387
• [FL-3107] Fix Cyfral & Metakom emulation by @gsurkov in https://github.com/flipperdevices/flipperzero-firmware/pull/2392
• Updater visual fixes by @hedger in https://github.com/flipperdevices/flipperzero-firmware/pull/2391
• [FL-3113] BadUSB: disable CDC mode, USB mode switch fix by @nminaylov in https://github.com/flipperdevices/flipperzero-firmware/pull/2394
• NFC: fix creating MF Classic tags from "Add Manually" menu (BCC calulation and ATQA/SAK writing) by @AloneLiberty in https://github.com/flipperdevices/flipperzero-firmware/pull/2342
• FreeRTOS: update to 10.5.1 by @skotopes in https://github.com/flipperdevices/flipperzero-firmware/pull/2353
• [FL-2744] SPI Mem Manager C port by @drunkbatya in https://github.com/flipperdevices/flipperzero-firmware/pull/1860
• Script that can find programmer and flash firmware via it. by @DrZlo13 in https://github.com/flipperdevices/flipperzero-firmware/pull/2193
• AleX83Xpert/add f keys to keyboard layout by @AleX83Xpert in https://github.com/flipperdevices/flipperzero-firmware/pull/2362
• Add Daikin FTXM20M & Mitsubishi SRK63HE by @WildRat in https://github.com/flipperdevices/flipperzero-firmware/pull/2349
• battery info temperature shown in C or F based on settings by @Round-Pi in https://github.com/flipperdevices/flipperzero-firmware/pull/2360
• nfc: Add mifare classic value block commands by @RouNNdeL in https://github.com/flipperdevices/flipperzero-firmware/pull/2317
• [FL-3075] Pin Reset by @skotopes in https://github.com/flipperdevices/flipperzero-firmware/pull/2367
• [FL-2733] multitarget support for fbt by @hedger in https://github.com/flipperdevices/flipperzero-firmware/pull/2209
• [FL-2435] SD over SPI improvements by @DrZlo13 in https://github.com/flipperdevices/flipperzero-firmware/pull/2204
• [FL-3057] Allow use of any suitable pin for 1-Wire devices by @gsurkov in https://github.com/flipperdevices/flipperzero-firmware/pull/2350
• Fix minor UI inconsistencies and bugs by @liamhays in https://github.com/flipperdevices/flipperzero-firmware/pull/2361
• Custom font set function by @LTVA1 in https://github.com/flipperdevices/flipperzero-firmware/pull/2261
• SCons: do not include backup files in build by @hramrach in https://github.com/flipperdevices/flipperzero-firmware/pull/2221
• Github: disable f18 build by @skotopes in https://github.com/flipperdevices/flipperzero-firmware/pull/2375
• Update Missing SD Card icon (taken from #2373) by @skotopes in https://github.com/flipperdevices/flipperzero-firmware/pull/2376
• [FL-3093, FL-3087] SubGhz: Fix Raw write, add short duration filter setting by @Skorpionm in https://github.com/flipperdevices/flipperzero-firmware/pull/2300
• BadUSB: Keyboard Layouts by @xMasterX in https://github.com/flipperdevices/flipperzero-firmware/pull/2256
• SubGhz: add protocol "Linear Delta-3" by @brandonweeks in https://github.com/flipperdevices/flipperzero-firmware/pull/2239
• [FL-3092] SubGhz: add DOOYA protocol by @Skorpionm in https://github.com/flipperdevices/flipperzero-firmware/pull/2178
• [FL-3091] SubGhz: add protocol Alutech at-4n by @Skorpionm in https://github.com/flipperdevices/flipperzero-firmware/pull/2352
• [FL-3100] SubGhz: add protocol Nice One by @Skorpionm in https://github.com/flipperdevices/flipperzero-firmware/pull/2358
• Universal Projector Remote by @itsweekly in https://github.com/flipperdevices/flipperzero-firmware/pull/2343
• [FL-3099] SubGhz: add protocol KingGates Stylo4k by @Skorpionm in https://github.com/flipperdevices/flipperzero-firmware/pull/2368
• Move CSN space to prevent overflow by @bettse in https://github.com/flipperdevices/flipperzero-firmware/pull/2232
• fbt: building fap_dist for compact gh build; accessor: fixed for latest ibutton changes by @hedger in https://github.com/flipperdevices/flipperzero-firmware/pull/2377
• Firmware fixes and improvements for flashing via blackmagic by @quen0n in https://github.com/flipperdevices/flipperzero-firmware/pull/2321
• Picopass: show elite key used from dictionary by @pcunning in https://github.com/flipperdevices/flipperzero-firmware/pull/2119
• SubGhz: add protocol BinRAW (binarization of data quantized by the minimum correlated duration) by @Skorpionm in https://github.com/flipperdevices/flipperzero-firmware/pull/2322
• feat: add missing const qualifiers by @JarvisCraft in https://github.com/flipperdevices/flipperzero-firmware/pull/2233
• SubGhz: fix cc1101_read_fifo func by @Skorpionm in https://github.com/flipperdevices/flipperzero-firmware/pull/2379

New Contributors

• @Pierce01 made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/2382
• @Willy-JL made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/2387
• @AloneLiberty made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/2342
• @AleX83Xpert made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/2362
• @WildRat made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/2349
• @Round-Pi made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/2360
• @liamhays made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/2361
• @LTVA1 made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/2261
• @brandonweeks made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/2239
• @itsweekly made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/2343
• @quen0n made their first contribution in https://github.com/flipperdevices/flipperzero-firmware/pull/2321

Ongoing

• Application catalog
• Furi & FuriHal improvements and release 1.0.0 preparation
• Documentation
• NFC refactoring

Full Changelog: https://github.com/flipperdevices/flipperzero-firmware/compare/0.76.0-rc...0.77.1-rc