diff --git a/Viewer/Makefile b/Viewer/Makefile
index 8c7318e3..b4ce99f5 100755
--- a/Viewer/Makefile
+++ b/Viewer/Makefile
@@ -4,8 +4,12 @@
 ##
 #
 # Make dependencies that need to be installed (make check):
-# 	- General
+# 	- make basics
 # 		- bash
+# 		- sed
+# 		- grep / fgrep
+# 		- printf
+# 	- General
 #	 	- git
 # 		- nodejs / npm 
 # 			also nodejs-legacy seems to be required by some code...
@@ -17,9 +21,6 @@
 # 			a patched version of 3.0...
 # 			for more info and patch see: 
 # 				https://goo.gl/csQmQo
-# 		- sed
-# 		- grep / fgrep
-# 		- printf
 # 	- Windows
 # 		- MSVS -- to build native node modules (sharp)
 #	- Linux
@@ -349,6 +350,7 @@ help:
 #**********************************************************************
 ### Dependency checking...
 
+# XXX for some reason this fails with fgrep...
 require(%):
 	@printf "%-20s %s\n" \
 		"$*" \
diff --git a/Viewer/doc/HACKS b/Viewer/doc/HACKS
new file mode 100644
index 00000000..61d1a15d
--- /dev/null
+++ b/Viewer/doc/HACKS
@@ -0,0 +1,29 @@
+Hacks and fixes
+===============
+
+
+
+
+20200830: 
+RequireJS + Electron v7+ mess up default .baseUrl
+
+FIX:
+- cfg/requirejs.js: added .baseUrl inferencing.
+
+TODO:
+- is this a bug or a feature and report as bug if needed
+
+
+
+20200830: 
+Chrome messing up fullscreen colors unless a <video> tag is present.
+
+FIX:
+- data/blank.mp4: added
+- index.html/electron.html: added <video> tag with data/blank.mp4 as source
+
+TODO:
+- document and post a bug report
+
+
+