The 64-bit ARM architecture known as arm64 or AArch64 is promoted to Tier-1 status for FreeBSD 13. https://lists.freebsd.org/pipermail/freebsd-arm/2021-April/023602.html[Announcement]
+Added a driver for the Broadcom "GENET" ethernet driver found on the Raspberry
+Pi 4B. It was derived in part from NetBSD's version of the driver.
+gitref:2cd0c529781a[repository=src]
+
+Added support for using Address Space Identifiers (ASIDs) to the arm64 pmap. This
+improves TLB utilization for some workloads. gitref:50e3ab6bcf8c[repository=src]
+
+The man:linux[4] ABI compatibility layer is now enabled by default.
+gitref:6659d8e7c26[repository=src] {{< sponsored "The FreeBSD Foundation" >}}
+
+Added support for the man:gdb[4] kernel debugger.
+gitref:bbfa199cbc16[repository=src] {{< sponsored "The FreeBSD Foundation" >}}
+
+Added support for building ISO installer images.
+gitref:6dadc5d1cdec[repository=src] {{< sponsored "The FreeBSD Foundation" >}}
+
+Added SD card configuration files for the Rock64 and RockPro64.