Tiny Core Linux 5.3 "piCore" was released.
"Team Tiny Core is pleased to announce the immediate availability of piCore-5.3. Changelog: Linux kernel updated to 3.14.4; Raspberry Pi firmware updated to 2014-05-12 version; e2fsprogs updated to 1.42.10; util-linux updated to 2.24; official BusyBox patches applied; curaga's wget3 BusyBox patch applied, setting default timeout to 10s; tce-load - don't show an error when extension contains multiple modules; tce-load - use sudo when unmounting meta-extensions; patched to enable HDMI sound at 192 kbit/s rate; patched rtl8192cu driver to disable power saving; enabled CMA and FIQ-FSM by default."
Tiny Core Linux is a 12 MB graphical Linux desktop. It is based on a recent Linux kernel, BusyBox, Tiny X, Fltk, and Flwm. The core runs entirely in memory and boots very quickly. The user has complete control over which applications and/or additional hardware to have supported, be it for a desktop, a nettop, an appliance or server; selectable from the project's online repository.