docs: Note v1.12.0 release

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
diff --git a/docs/Releases.md b/docs/Releases.md
index 8d3d85d..c9a3242 100644
--- a/docs/Releases.md
+++ b/docs/Releases.md
@@ -1,6 +1,17 @@
 History of SeaBIOS releases. Please see [download](Download) for
 information on obtaining these releases.
 
+SeaBIOS 1.12.0
+==============
+
+Available on 20181117. Major changes in this release:
+
+* Initial support for "TPM CRB" hardware
+* Improved cdrom media reporting in the boot menu on QEMU
+* Improved floppy support on real floppy hardware
+* SeaVGABIOS support for QEMU "bochs-display" and QEMU "ramfb" displays
+* Several bug fixes and code cleanups
+
 SeaBIOS 1.11.0
 ==============
 
@@ -14,6 +25,16 @@
 * Improved coreboot vga (cbvga) mode setting compatibility
 * Several bug fixes and code cleanups
 
+SeaBIOS 1.11.1
+--------------
+
+Available on 20180319. Stable release containing only bug fixes.
+
+SeaBIOS 1.11.2
+--------------
+
+Available on 20180702. Stable release containing only bug fixes.
+
 SeaBIOS 1.10.0
 ==============