diff --git a/appveyor.yml b/appveyor.yml
index c64e69665..6b80b4ec3 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,7 +9,7 @@ environment:
  # c:\mingw-w64 i686 has gcc 6.3.0, so use c:\msys64 7.3.0 instead
  MINGW_SDK: c:\msys64\mingw32
  # c:\msys64 x86_64 has gcc 8.2.0, so use c:\mingw-w64 7.3.0 instead
- MINGW_SDK_64: C:\mingw-w64\x86_64-7.3.0-posix-seh-rt_v5-rev0\mingw64
+ MINGW_SDK_64: C:\mingw-w64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64
  CFLAGS: -Wall -W -Werror -Wno-error=implicit-fallthrough -Wimplicit-fallthrough=3 -Wno-tautological-compare -Wno-error=suggest-attribute=noreturn
  NASM_ZIP: nasm-2.12.01
  NASM_URL: http://www.nasm.us/pub/nasm/releasebuilds/2.12.01/win64/nasm-2.12.01-win64.zip
@@ -83,8 +83,8 @@ before_build:
 - ccache -V
 - ccache -s
 - if [%NOUPX%] == [1] ( set "NOUPX=NOUPX=1" ) else ( set "NOUPX=" )
-- set "SRB2_MFLAGS=-C src WARNINGMODE=1 CCACHE=1 GCC73=1 NOOBJDUMP=1 %NOUPX%"
-- if [%X86_64%] == [1] ( set "MINGW_FLAGS=MINGW64=1 X86_64=1" ) else ( set "MINGW_FLAGS=MINGW=1 GCC91=1" )
+- set "SRB2_MFLAGS=-C src WARNINGMODE=1 CCACHE=1 NOOBJDUMP=1 %NOUPX%"
+- if [%X86_64%] == [1] ( set "MINGW_FLAGS=MINGW64=1 X86_64=1 GCC81=1" ) else ( set "MINGW_FLAGS=MINGW=1 GCC91=1" )
 - set "SRB2_MFLAGS=%SRB2_MFLAGS% %MINGW_FLAGS% %CONFIGURATION%=1"
 
 build_script:
diff --git a/src/m_menu.c b/src/m_menu.c
index 7e739e42e..63ab21438 100644
--- a/src/m_menu.c
+++ b/src/m_menu.c
@@ -10520,15 +10520,78 @@ static void M_HandleConnectIP(INT32 choice)
 			break;
 
 		case KEY_DEL:
-			if (setupm_ip[0])
+			if (setupm_ip[0] && !shiftdown) // Shift+Delete is used for something else.
 			{
 				S_StartSound(NULL,sfx_menu1); // Tails
 				setupm_ip[0] = 0;
 			}
-			break;
+			if (!shiftdown) // Shift+Delete is used for something else.
+				break;
 
+			/* FALLTHRU */
 		default:
 			l = strlen(setupm_ip);
+
+			if ( ctrldown ) {
+				switch (choice) {
+					case 'v':
+					case 'V': // ctrl+v, pasting
+					{
+						const char *paste = I_ClipboardPaste();
+
+						if (paste != NULL) {
+							strncat(setupm_ip, paste, 28-1 - l); // Concat the ip field with clipboard
+							if (strlen(paste) != 0) // Don't play sound if nothing was pasted
+								S_StartSound(NULL,sfx_menu1); // Tails
+						}
+
+						break;
+					}
+					case KEY_INS:
+					case 'c':
+					case 'C': // ctrl+c, ctrl+insert, copying
+						I_ClipboardCopy(setupm_ip, l);
+						S_StartSound(NULL,sfx_menu1); // Tails
+						break;
+
+					case 'x':
+					case 'X': // ctrl+x, cutting
+						I_ClipboardCopy(setupm_ip, l);
+						S_StartSound(NULL,sfx_menu1); // Tails
+						setupm_ip[0] = 0;
+						break;
+
+					default: // otherwise do nothing
+						break;
+				}
+				break; // don't check for typed keys
+			}
+
+			if ( shiftdown ) {
+				switch (choice) {
+					case KEY_INS: // shift+insert, pasting
+						{
+							const char *paste = I_ClipboardPaste();
+
+							if (paste != NULL) {
+								strncat(setupm_ip, paste, 28-1 - l); // Concat the ip field with clipboard
+								if (strlen(paste) != 0) // Don't play sound if nothing was pasted
+									S_StartSound(NULL,sfx_menu1); // Tails
+							}
+
+							break;
+						}
+					case KEY_DEL: // shift+delete, cutting
+						I_ClipboardCopy(setupm_ip, l);
+						S_StartSound(NULL,sfx_menu1); // Tails
+						setupm_ip[0] = 0;
+						break;
+					default: // otherwise do nothing.
+						break;
+				}
+				break; // don't check for typed keys
+			}
+
 			if (l >= 28-1)
 				break;
 
diff --git a/src/r_data.c b/src/r_data.c
index bfd83a62d..986b65dea 100644
--- a/src/r_data.c
+++ b/src/r_data.c
@@ -324,8 +324,8 @@ UINT8 ASTBlendPixel_8bpp(UINT8 background, UINT8 foreground, int style, UINT8 al
 	else if (style != AST_TRANSLUCENT)
 	{
 		RGBA_t texel;
-		RGBA_t bg = V_GetColor(background);
-		RGBA_t fg = V_GetColor(foreground);
+		RGBA_t bg = V_GetMasterColor(background);
+		RGBA_t fg = V_GetMasterColor(foreground);
 		texel.rgba = ASTBlendPixel(bg, fg, style, alpha);
 		return NearestColor(texel.s.red, texel.s.green, texel.s.blue);
 	}
@@ -1664,7 +1664,7 @@ static void R_CreateFadeColormaps(void)
 #define GETCOLOR \
 	px = colormaps[i%256]; \
 	fade = (i/256) * (256 / FADECOLORMAPROWS); \
-	rgba = V_GetColor(px);
+	rgba = V_GetMasterColor(px);
 
 	// to black
 	makeblack:
diff --git a/src/sdl/i_video.c b/src/sdl/i_video.c
index e6a40327b..2b8633e5b 100644
--- a/src/sdl/i_video.c
+++ b/src/sdl/i_video.c
@@ -388,7 +388,7 @@ void I_UpdateMouseGrab(void)
 {
 	if (SDL_WasInit(SDL_INIT_VIDEO) == SDL_INIT_VIDEO && window != NULL
 	&& SDL_GetMouseFocus() == window && SDL_GetKeyboardFocus() == window
-	&& !IGNORE_MOUSE)
+	&& USE_MOUSEINPUT && !IGNORE_MOUSE)
 		SDLdoGrabMouse();
 }
 
diff --git a/src/v_video.h b/src/v_video.h
index 36d1914af..eb75a414f 100644
--- a/src/v_video.h
+++ b/src/v_video.h
@@ -64,6 +64,7 @@ void V_CubeApply(UINT8 *red, UINT8 *green, UINT8 *blue);
 
 // Retrieve the ARGB value from a palette color index
 #define V_GetColor(color) (pLocalPalette[color&0xFF])
+#define V_GetMasterColor(color) (pMasterPalette[color&0xFF])
 
 // Bottom 8 bits are used for parameter (screen or character)
 #define V_PARAMMASK          0x000000FF