• Sub-GHz regional TX restrictions removed
• Sub-GHz frequency range can be extended in settings file (Warning: It can damage Flipper's hardware)
• Many rolling code protocols now have the ability to save & send captured signals
• FAAC SLH (Spa) & BFT Mitto (keeloq secure with seed) manual creation
• Sub-GHz static code brute-force plugin
• LFRFID Fuzzer plugin
• Custom community plugins and games added + all known working apps can be downloaded in extra pack in every release
• Extra Sub-GHz frequencies + extra Mifare Classic keys
• Picopass/iClass plugin included in releases
• Recompiled IR TV Universal Remote for ALL buttons
• Universal remote for Projectors, Fans, A/Cs and Audio(soundbars, etc.)
• Customizable Flipper name Update! Now can be changed in Settings->Desktop (by @xMasterX and @Willy-JL)
• Text Input UI element -> Cursor feature (by @Willy-JL)

• BadBT plugin (BT version of BadKB) (by Willy-JL, ClaraCrazy, XFW contributors) - (See in Applications->Tools) - (aka BadUSB via Bluetooth)
• BadUSB -> Keyboard layouts (by rien > dummy-decoy)
• Sub-GHz -> External CC1101 module support - (by quen0n)
• Sub-GHz -> Add manually menu extended with new protocols
• Sub-GHz -> New frequency analyzer - (by ClusterM)
• Sub-GHz -> Save last used frequency (by derskythe)
• Sub-GHz -> Press OK in frequency analyzer to use detected frequency in Read modes (by derskythe)
• Sub-GHz -> Long press OK button in Sub-GHz Frequency analyzer to switch to Read menu (by derskythe)
• Lock device with pin(or regular lock if pin not set) by holding UP button on main screen (by an4tur0r)

• Sub-GHz -> Short press OK in frequency analyzer to save detected frequency for usage in Read modes
• Sub-GHz -> Long press OK button in Sub-GHz Frequency analyzer to switch to Read menu and automatically use selected frequency
• SubGHz -> New option to use timestamps + protocol name when you saving file, instead of random name - Enable in Radio Settings -> Time in names = ON
• SubGHz Bruteforcer plugin -> Time delay (between signals) setting (hold Up in main screen(says Up to Save)) + configure repeats in protocols list by pressing right button on selected protocol
• SubGHz -> Read mode UI improvements (scrolling text, + shows time when signal was received) (by @wosk)
• Sub-GHz -> External CC1101 module support (Hardware SPI used)
• SubGHz -> Hold right in received signal list to delete selected signal
• SubGHz -> Custom buttons for Keeloq / Alutech AT4N / Nice Flor S / Somfy Telis / Security+ 2.0 / CAME Atomo - now you can use arrow buttons to send signal with different button code
• SubGHz -> BFT Mitto / Somfy Telis / Nice Flor S / CAME Atomo, etc.. manual creation with programming new remote into receiver (use button 0xF for BFT Mitto, 0x8 (Prog) on Somfy Telis)
• SubGHz -> Debug mode counter increase settings (+1 -> +5, +10, default: +1)
• SubGHz -> Debug PIN output settings for protocol development
• Infrared -> RCA Protocol
• Infrared -> Debug TX PIN output settings
• Other small fixes and changes throughout
• See other changes in readme below

• Ultimate Discord: https://discord.gg/jCYQ8C7Z5n

• Hello world - plugin tutorial (English): https://github.com/DroomOne/Flipper-Plugin-Tutorial

• Docs by atmanos / How to write your own app (outdated API): https://flipper.atmanos.com/docs/overview/intro

• Official Docs: http://docs.flipperzero.one

• applications - Applications and services used in firmware
• assets - Assets used by applications and services
• furi - Furi Core: OS-level primitives and helpers
• debug - Debug tool: GDB-plugins, SVD-file and etc
• documentation - Documentation generation system configs and input files
• firmware - Firmware source code
• lib - Our and 3rd party libraries, drivers and etc...
• site_scons - Build helpers
• scripts - Supplementary scripts and python libraries home

Also, pay attention to the ReadMe.md files inside those directories.