# 4.21



* Cleanup #490: Verify copyrights on files with BSD, X11, MIT, HPND, and ISC licenses
* Bug #511: [STM/PE][BUG][SMMSTORE] Coreboot doesn't boot if SMMSTOREv2 driver Kconfig option is enabled when using STM (STM/PE) 
* Support #534: Enable Ethernet (LAN) on ADL-P Custom Board