This is release 3.83.6.20251025 of OpenCCU which is a maintenance release with the following bugfixes and feature changes:
π§ Changes:
For all changes, see the full commit log.
CCU/HomeMatic service changes:
WebUI changes:
- 84d029aba – add patch 0199-WebUI-ImprovedSystemProtocol (#3274, @jp112sdl)
 - 8f87a9f00 – rework WebUI help.cgi to use more robust tcl commands and setup (@jleinenbach, #3229)
 - 98ac90920 – rework basic_dev.cgi for improved UPnP compatibility (@jleinenbach, #3228)
 - 8c0537479 – integrate a fix for HmIP-WGT(C) compatibility in 0190-WebUI-Fix-AddMissingExtendedChannelDescriptions WebUI patch (https://homematic-forum.de/forum/viewtopic.php?f=65&t=86045, #3175)
 
Operating system changes:
- d6041a688 – bump upstream kernel to 6.12.54 (#3280)
 - cb1d360a0 – bump rpi-eeprom to pieeprom-2025-10-14.bin (rpi4) and pieeprom-2025-10-17.bin (rpi5) (#3278)
 - c4bb2e918 – bump qemu-guest-agent to 10.1.1 (#3277)
 - 2bf19be64 – bump buildroot to 2025.08.1 (#3276)
 - 11bc9a239 – add infrastructure for x86 CPU microcode updates (#3269)
 - 5033320b8 – add missing CONFIG_IRQ_REMAP to allow to enable X2APIC (#3268)
 - 0fc28c2c9 – add CONFIG_X86_X2APIC to kernel config and ensure that LPSS is also enabled for OVA. (#3266)
 - e1404d6b2 – rpi-rf-mod-yellow.dts: remove unconnected pins clashing with onboard I2S (#3252)
 - 1e9b2be39 – bump rpi-kernel to latest stable_20250916 (6.12.47) version. (#3258)
 - aa0dd245b – bump tailscale to latest 1.88.3 version. (#3249)
 - 655a0b9fa – fix uboot boot scripts to also check for zImage (#3232)
 - d310cc97c – fix broken udevd init file management (#3221)
 - 4e9e7eb86 – minor fixes to Config.in of multilib32 and recovery-system br package (#3220)
 - d50f2c334 – use arm-linux-gnueabihf as armhf binary dir to fix 32bit ARM platform builds (#3219)
 - 3d052cd99 – add missing fs.h include to fix GCC14 compile of uboot 2023.01 (#3217)
 - 620d85bd7 – fix picod compilation breakage with GCC14 (#3214)
 - 64caf1050 – fix correct platform being used in HM_PLATFORM_ARCH (#3211)
 - 7515e2c5b – add missing -L option on curl call to ensure that curl follows redirections correctly (#3201).
 - f2bc82353 – changed /bin/checkInternet to prioritize checking the internet connectivity using netcat rather than a full-fledged wget execution because that takes way longer and also performs a full HTTP request with user-agent, etc.
 - 6117adfb9 – add missing 2025.04 u-boot patches and remove 2024.10 hash.
 - 4747814a8 – integrate an upstream kernel patch to fix broken outgoing connections caused by upstream kernel regression(cf. home-assistant/operating-system#4267)
 
πͺ Contributors (alphabetically):
π Support:
For support on installation and help please visit the following web pages:
OpenCCU – Documentation πΊπΈ
 OpenCCU – Discussions πΊπΈ
 OpenCCU – Dokumentation π©πͺ
 OpenCCU – Forum π©πͺ
π¦ Download:
The following installation archives can be downloaded for different hardware platforms. To verify their integrity a sha256 checksum is provided as well. You can either upload these files using the WebUI-based update mechanism or unarchive them to e.g. flash the included *.img files on a fresh installation media (e.g. microSD card):
RaspberryPi5 Model B β (installation):
π¦ OpenCCU-3.83.6.20251025-rpi5.zip
SHA256: ca613d21868df2dc1bae0e08c9b660bca4d8e8a6eb3fcaa43476102cd2fc9041RaspberryPi4 Model B, RaspberryPi Compute Module 4, RaspberryPi 400 β (installation):
π¦ OpenCCU-3.83.6.20251025-rpi4.zip
SHA256: 58f856ff0d1e866d81c8beceb91b8bb6749629dc190f5df6cb4f2f04a1628742CCU3, ELV-Charly, RaspberryPi3 Model B+, RaspberryPi3 Model B, RaspberryPi3 Model A+, RaspberryPi Compute Module 3, RaspberryPi Compute Module 3 lite, RaspberryPi Zero 2 W β (installation):
π¦ OpenCCU-3.83.6.20251025-rpi3.zip
SHA256: 3ee59dc12eb9181c7cb680d7420feabf083e4a7bec28f4a8a1053078c4904a0b
π¦ OpenCCU-3.83.6.20251025-ccu3.tgz (only for initial CCU3 Firmware -> OpenCCU Upgrade)
SHA256: bd31012764b5a47c510d406a4e6bb9de7cf1ab54c7c69710d80971a25cf20184RaspberryPi2 Model B β (installation):
π¦ OpenCCU-3.83.6.20251025-rpi2.zip
SHA256: 13c7b721aaba73584e49c50ba6328bfb7b9687421d4fb108bd47c16436ff9511RaspberryPi Zero W, RaspberryPi Zero, RaspberryPi Compute Module 1, RaspberryPi1 (A+/B+) β (installation):
π¦ OpenCCU-3.83.6.20251025-rpi0.zip
SHA256: 53229551fd2e5c25e27c252c0c523a5de404c0908538a8ed553f051afe142aaaTinkerBoard S, TinkerBoard β (installation):
π¦ OpenCCU-3.83.6.20251025-tinkerboard.zip
SHA256: 6323ee3dea3a4b9b1592eb6b7da328e9f9e45c440d2287ab7504aa76f9d01f39ODROID-N2/N2+/C4/C2 β (installation):
π¦ OpenCCU-3.83.6.20251025-odroid-n2.zip
SHA256: fa52c24120539e43bd192e5ad428d843ffc24cb81340da97de4fc63e79b86509
π¦ [OpenCCU-3.83.6.20251025-odroid-c4.zip](https://github.com/OpenCCU/OpenCCU/releases/download/3.83.6.20251025…
