Added support for Voltage Probes , Cooling Devices , and Temperature Probes to improve system monitoring. Clarifications and Fixes: Clarified the UUID format for System Information (Type 1).
(as of August 2025), which adds extensive support for 64-bit ARM (Aarch64) and advanced memory technologies like DDR5. OpenCore SMBIOS settings for macOS 26 Tahoe or more technical details from the 2.6 specification manual smbios version 26
While version 2.6 was a major milestone for x86 systems, the standard has since evolved to version Added support for Voltage Probes , Cooling Devices
This will display the BIOS information, including the SMBIOS specification version. Conclusion Added support for Voltage Probes
If your hardware manufacturer no longer provides firmware updates, you are likely stuck with SMBIOS 2.6 – which is perfectly fine for many legacy workloads.