diff --git a/b/Blender/Blender-2.83.18-GCC-9.3.0.eb b/b/Blender/Blender-2.83.18-GCC-9.3.0.eb
new file mode 100644
index 00000000..9bbabd83
--- /dev/null
+++ b/b/Blender/Blender-2.83.18-GCC-9.3.0.eb
@@ -0,0 +1,31 @@
+# IT4Innovations 2021
+
+easyblock = 'Tarball'
+
+name = 'Blender'
+version = '2.83.18'
+
+homepage = 'https://www.blender.org/'
+description = """Blender is the free and open source 3D creation suite. It supports
+ the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering,
+ compositing and motion tracking, even video editing and game creation."""
+
+toolchain = {'name': 'GCC', 'version': '9.3.0'}
+
+source_urls = ['https://ftp.nluug.nl/pub/graphics/blender/release/Blender2.83/']
+sources = ['blender-%(version)s-linux-x64.tar.xz']
+checksums = ['e3a6ef3eb5f83746c8b7a90a6eadc663faf8f28b263dd2ded4b985fdc9c6b1ca']
+
+postinstallcmds = [
+    'ml CUDAcore;"nvcc" -arch=sm_80 --cubin "%(installdir)s/2.83/scripts/addons/cycles/source/kernel/kernels/cuda/kernel.cu" -o "%(installdir)s/2.83/scripts/addons/cycles/lib/kernel_sm_80.cubin" -m64 --ptxas-options="-v" --use_fast_math -DNVCC -I"%(installdir)s/2.83/scripts/addons/cycles/source"',
+    'ml CUDAcore;"nvcc" -arch=sm_80 --cubin "%(installdir)s/2.83/scripts/addons/cycles/source/kernel/kernels/cuda/filter.cu" -o "%(installdir)s/2.83/scripts/addons/cycles/lib/filter_sm_80.cubin" -m64 --ptxas-options="-v" --use_fast_math -DNVCC -I"%(installdir)s/2.83/scripts/addons/cycles/source"',
+]
+
+modextrapaths = {'PATH': ''}
+
+sanity_check_paths = {
+    'files': ["blender"],
+    'dirs': []
+}
+
+moduleclass = 'vis'
diff --git a/b/Blender/Blender-2.93.6-GCC-9.3.0.eb b/b/Blender/Blender-2.93.6-GCC-9.3.0.eb
new file mode 100644
index 00000000..08ee58b5
--- /dev/null
+++ b/b/Blender/Blender-2.93.6-GCC-9.3.0.eb
@@ -0,0 +1,31 @@
+# IT4Innovations 2021
+
+easyblock = 'Tarball'
+
+name = 'Blender'
+version = '2.93.6'
+
+homepage = 'https://www.blender.org/'
+description = """Blender is the free and open source 3D creation suite. It supports
+ the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering,
+ compositing and motion tracking, even video editing and game creation."""
+
+toolchain = {'name': 'GCC', 'version': '9.3.0'}
+
+source_urls = ['https://ftp.nluug.nl/pub/graphics/blender/release/Blender2.93/']
+sources = ['blender-%(version)s-linux-x64.tar.xz']
+checksums = ['9a5c66db4024355ec6a6e544e99f827ca8b49256dcfe3b43816474540fcd778d']
+
+postinstallcmds = [
+	'ml CUDAcore;"nvcc" -arch=sm_80 --cubin "%(installdir)s/2.93/scripts/addons/cycles/source/kernel/kernels/cuda/kernel.cu" -o "%(installdir)s/2.93/scripts/addons/cycles/lib/kernel_sm_80.cubin" -m64 --ptxas-options="-v" --use_fast_math -DNVCC -I"%(installdir)s/2.93/scripts/addons/cycles/source" -DWITH_NANOVDB',
+	'ml CUDAcore;"nvcc" -arch=sm_80 --cubin "%(installdir)s/2.93/scripts/addons/cycles/source/kernel/kernels/cuda/filter.cu" -o "%(installdir)s/2.93/scripts/addons/cycles/lib/filter_sm_80.cubin" -m64 --ptxas-options="-v" --use_fast_math -DNVCC -I"%(installdir)s/2.93/scripts/addons/cycles/source" -DWITH_NANOVDB',
+]
+
+modextrapaths = {'PATH': ''}
+
+sanity_check_paths = {
+    'files': ["blender"],
+    'dirs': []
+}
+
+moduleclass = 'vis'
diff --git a/b/Blender/Blender-3.0.0-GCC-9.3.0.eb b/b/Blender/Blender-3.0.0-GCC-9.3.0.eb
new file mode 100644
index 00000000..ef108a8b
--- /dev/null
+++ b/b/Blender/Blender-3.0.0-GCC-9.3.0.eb
@@ -0,0 +1,30 @@
+# IT4Innovations 2021
+
+easyblock = 'Tarball'
+
+name = 'Blender'
+version = '3.0.0'
+
+homepage = 'https://www.blender.org/'
+description = """Blender is the free and open source 3D creation suite. It supports
+ the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering,
+ compositing and motion tracking, even video editing and game creation."""
+
+toolchain = {'name': 'GCC', 'version': '9.3.0'}
+
+source_urls = ['https://ftp.nluug.nl/pub/graphics/blender/release/Blender3.0/']
+sources = ['blender-%(version)s-linux-x64.tar.xz']
+checksums = ['19b09dfcf5d3f3a068827454f0a704a9aa9c826350f73016121afef5f4d287ce']
+
+postinstallcmds = [
+	'ml CUDAcore;"nvcc" -arch=sm_80 --cubin "%(installdir)s/3.0/scripts/addons/cycles/source/kernel/device/cuda/kernel.cu" -o "%(installdir)s/3.0/scripts/addons/cycles/lib/kernel_sm_80.cubin" -m64 --ptxas-options="-v" --use_fast_math -DNVCC -I"%(installdir)s/3.0/scripts/addons/cycles/source" -DWITH_NANOVDB',
+]
+
+modextrapaths = {'PATH': ''}
+
+sanity_check_paths = {
+    'files': ["blender"],
+    'dirs': []
+}
+
+moduleclass = 'vis'
diff --git a/r/Ruby/Ruby-2.4.2.eb b/r/Ruby/Ruby-2.4.2.eb
index c53bbe07..094598c0 100644
--- a/r/Ruby/Ruby-2.4.2.eb
+++ b/r/Ruby/Ruby-2.4.2.eb
@@ -31,7 +31,7 @@ exts_list = [
     ('net-http-pipeline', '1.0.1', ext_options),
     ('net-http-persistent', '2.9.4', ext_options),
     ('multi_json', '1.12.1', ext_options),
-    ('public_local_suffix', '2.0.4', ext_options),
+#    ('public_local_suffix', '2.0.4', ext_options),
     ('addressable', '2.4.0', ext_options),
     ('gh', '0.15.0', ext_options),
     ('launchy', '2.4.3', ext_options),