diff --git a/intern/cycles/blender/addon/engine.py b/intern/cycles/blender/addon/engine.py
index 778aa2dba8d..0b74150f981 100644
--- a/intern/cycles/blender/addon/engine.py
+++ b/intern/cycles/blender/addon/engine.py
@@ -269,7 +269,7 @@ def register_passes(engine, scene, srl):
             engine.register_pass(scene, srl, "CryptoAsset" + '{:02d}'.format(i), 4, "RGBA", 'COLOR')
 
     if crl.use_denoising or crl.denoising_store_passes:
-        engine.register_pass(scene, srl, "Noisy Image", 3, "RGBA", 'COLOR')
+        engine.register_pass(scene, srl, "Noisy Image", 4, "RGBA", 'COLOR')
         if crl.denoising_store_passes:
             engine.register_pass(scene, srl, "Denoising Normal",          3, "XYZ", 'VECTOR')
             engine.register_pass(scene, srl, "Denoising Normal Variance", 3, "XYZ", 'VECTOR')
diff --git a/intern/cycles/kernel/closure/bsdf_hair_principled.h b/intern/cycles/kernel/closure/bsdf_hair_principled.h
index b3b56be39ff..720517380ce 100644
--- a/intern/cycles/kernel/closure/bsdf_hair_principled.h
+++ b/intern/cycles/kernel/closure/bsdf_hair_principled.h
@@ -296,7 +296,7 @@ ccl_device float3 bsdf_principled_hair_eval(KernelGlobals *kg,
 	float3 Y = float4_to_float3(bsdf->extra->geom);
 
 	float3 X = safe_normalize(sd->dPdu);
-	kernel_assert(fabsf(dot(X, Y)) < 1e-4f);
+	kernel_assert(fabsf(dot(X, Y)) < 1e-3f);
 	float3 Z = safe_normalize(cross(X, Y));
 
 	float3 wo = make_float3(dot(sd->I, X), dot(sd->I, Y), dot(sd->I, Z));
@@ -378,7 +378,7 @@ ccl_device int bsdf_principled_hair_sample(KernelGlobals *kg,
 	float3 Y = float4_to_float3(bsdf->extra->geom);
 
 	float3 X = safe_normalize(sd->dPdu);
-	kernel_assert(fabsf(dot(X, Y)) < 1e-4f);
+	kernel_assert(fabsf(dot(X, Y)) < 1e-3f);
 	float3 Z = safe_normalize(cross(X, Y));
 
 	float3 wo = make_float3(dot(sd->I, X), dot(sd->I, Y), dot(sd->I, Z));
diff --git a/intern/cycles/render/buffers.cpp b/intern/cycles/render/buffers.cpp
index 0318834ff33..b4e3c18e894 100644
--- a/intern/cycles/render/buffers.cpp
+++ b/intern/cycles/render/buffers.cpp
@@ -147,7 +147,7 @@ bool RenderBuffers::copy_from_device()
 	return true;
 }
 
-bool RenderBuffers::get_denoising_pass_rect(int offset, float exposure, int sample, int components, float *pixels)
+bool RenderBuffers::get_denoising_pass_rect(int type, float exposure, int sample, int components, float *pixels)
 {
 	if(buffer.data() == NULL) {
 		return false;
@@ -155,20 +155,20 @@ bool RenderBuffers::get_denoising_pass_rect(int offset, float exposure, int samp
 
 	float invsample = 1.0f/sample;
 	float scale = invsample;
-	bool variance = (offset == DENOISING_PASS_NORMAL_VAR) ||
-	                (offset == DENOISING_PASS_ALBEDO_VAR) ||
-	                (offset == DENOISING_PASS_DEPTH_VAR) ||
-	                (offset == DENOISING_PASS_COLOR_VAR);
+	bool variance = (type == DENOISING_PASS_NORMAL_VAR) ||
+	                (type == DENOISING_PASS_ALBEDO_VAR) ||
+	                (type == DENOISING_PASS_DEPTH_VAR) ||
+	                (type == DENOISING_PASS_COLOR_VAR);
 
 	float scale_exposure = scale;
-	if(offset == DENOISING_PASS_COLOR || offset == DENOISING_PASS_CLEAN) {
+	if(type == DENOISING_PASS_COLOR || type == DENOISING_PASS_CLEAN) {
 		scale_exposure *= exposure;
 	}
-	else if(offset == DENOISING_PASS_COLOR_VAR) {
+	else if(type == DENOISING_PASS_COLOR_VAR) {
 		scale_exposure *= exposure*exposure;
 	}
 
-	offset += params.get_denoising_offset();
+	int offset = type + params.get_denoising_offset();
 	int pass_stride = params.get_passes_size();
 	int size = params.width*params.height;
 
@@ -212,7 +212,7 @@ bool RenderBuffers::get_denoising_pass_rect(int offset, float exposure, int samp
 			}
 		}
 		else if(components == 4) {
-			assert(offset == DENOISING_PASS_COLOR);
+			assert(type == DENOISING_PASS_COLOR);
 
 			/* Since the alpha channel is not involved in denoising, output the Combined alpha channel. */
 			assert(params.passes[0].type == PASS_COMBINED);
diff --git a/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp b/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
index 610b81c97a5..14b638da545 100644
--- a/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
+++ b/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
@@ -100,7 +100,8 @@ BlenderStrokeRenderer::BlenderStrokeRenderer(Render *re, int render_count) : Str
 	freestyle_scene->r.tiley = old_scene->r.tiley;
 	freestyle_scene->r.size = 100; // old_scene->r.size
 	freestyle_scene->r.color_mgt_flag = 0; // old_scene->r.color_mgt_flag;
-	freestyle_scene->r.scemode = old_scene->r.scemode & ~(R_SINGLE_LAYER | R_NO_FRAME_UPDATE | R_MULTIVIEW);
+	freestyle_scene->r.scemode = (old_scene->r.scemode & ~(R_SINGLE_LAYER | R_NO_FRAME_UPDATE | R_MULTIVIEW)) &
+	                             (re->r.scemode | ~R_FULL_SAMPLE);
 	freestyle_scene->r.flag = old_scene->r.flag;
 	freestyle_scene->r.threads = old_scene->r.threads;
 	freestyle_scene->r.border.xmin = old_scene->r.border.xmin;