diff --git a/auto/bin/filter_gl_ext.sh b/auto/bin/filter_gl_ext.sh
index 999e088..96a63b3 100755
--- a/auto/bin/filter_gl_ext.sh
+++ b/auto/bin/filter_gl_ext.sh
@@ -603,5 +603,11 @@ EOT
typedef void (APIENTRY *GLVULKANPROCNV)(void)
EOT
+# GLU extensions are not relevant here
+ rm -f $1/GL_GLU_*
+
+# Not complete
+ rm -f $1/GL_SGIX_color_type
+
# clean up
rm -f patterns $1/*.bak
diff --git a/auto/doc/index.html b/auto/doc/index.html
index 13f4c98..c8a3e90 100644
--- a/auto/doc/index.html
+++ b/auto/doc/index.html
@@ -13,7 +13,7 @@ Mac OS X, FreeBSD, Irix, and Solaris.
GLEW is distributed
as source and precompiled binaries.
The latest release is
-2.1.0[07-31-17]:
+2.2.0[03-15-20]:
@@ -27,8 +27,8 @@ The latest release is