diff --git a/README.md b/README.md
index c0fb79f..9ffaa99 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,14 @@ Alternatively, visit the forums (not very active): https://essence.handmade.netw
 
 To support development, you can donate to my Patreon: https://www.patreon.com/nakst.
 
+## Testing
+
+You can download and test the latest nightly build from https://github.com/nakst/build-essence/releases. Download and extract `Essence.tar.xz`. If you are using VirtualBox, import `Essence.ova`. If you are using Qemu, run 
+
+    qemu-kvm -drive file=drive,format=raw -m 2048 -smp 2 || qemu-system-x86_64 -enable-kvm -drive file=drive,format=raw -m 2048 -smp 2
+
+These builds are configured to run on emulators only, to make testing easier. Builds for real hardware are coming soon :)
+
 ## Building
 
 See `help/Building.md` for a description of how to build and test the system.
diff --git a/kernel/windows.cpp b/kernel/windows.cpp
index caba62e..a0c38b3 100644
--- a/kernel/windows.cpp
+++ b/kernel/windows.cpp
@@ -272,9 +272,13 @@ void SendMessageToWindow(Window *window, EsMessage *message) {
 	} else if (message->type == ES_MSG_KEY_DOWN || message->type == ES_MSG_KEY_UP) {
 		window->embed->owner->messageQueue.SendMessage(window->embed->apiWindow, message);
 
-		if (message->keyboard.modifiers & (ES_MODIFIER_CTRL | ES_MODIFIER_ALT | ES_MODIFIER_FLAG | ES_MODIFIER_ALT_GR)) {
+		if ((message->keyboard.modifiers & (ES_MODIFIER_CTRL | ES_MODIFIER_ALT | ES_MODIFIER_FLAG | ES_MODIFIER_ALT_GR))
+				|| message->keyboard.scancode == ES_SCANCODE_LEFT_CTRL || message->keyboard.scancode == ES_SCANCODE_RIGHT_CTRL
+				|| message->keyboard.scancode == ES_SCANCODE_LEFT_SHIFT || message->keyboard.scancode == ES_SCANCODE_RIGHT_SHIFT
+				|| message->keyboard.scancode == ES_SCANCODE_LEFT_ALT || message->keyboard.scancode == ES_SCANCODE_RIGHT_ALT
+				|| message->keyboard.scancode == ES_SCANCODE_LEFT_FLAG || message->keyboard.scancode == ES_SCANCODE_RIGHT_FLAG) {
 			// Additionally send the keyboard input message to the embed parent 
-			// if Ctrl, Alt or Flag were held.
+			// if Ctrl, Alt or Flag were held, or this is a modifier change message.
 			// (Otherwise don't, to avoid increasing typing latency.)
 			window->owner->messageQueue.SendMessage(window->apiWindow, message);
 		}
diff --git a/res/Fonts/Bitmap Sans Bold 9.font b/res/Fonts/Bitmap Sans Bold 9.font
new file mode 100644
index 0000000..03f0bb6
Binary files /dev/null and b/res/Fonts/Bitmap Sans Bold 9.font differ
diff --git a/res/Fonts/Bitmap Sans Regular 9.font b/res/Fonts/Bitmap Sans Regular 9.font
index ee96c7e..fc14672 100644
Binary files a/res/Fonts/Bitmap Sans Regular 9.font and b/res/Fonts/Bitmap Sans Regular 9.font differ
diff --git a/util/build.c b/util/build.c
index 151caf5..747cc9e 100644
--- a/util/build.c
+++ b/util/build.c
@@ -107,6 +107,7 @@ BuildFont fonts[] = {
 
 	{ "Bitmap Sans", "", "Sans", "Latn", (FontFile []) {
 		{ "4", "Bitmap Sans Regular 9.font" },
+		{ "7", "Bitmap Sans Bold 9.font" },
 		{},
 	} },