diff --git a/code/asm/vm_x86_64.asm b/code/asm/vm_x86_64.asm
index 87e04f4d..f84eb8f8 100644
--- a/code/asm/vm_x86_64.asm
+++ b/code/asm/vm_x86_64.asm
@@ -28,13 +28,35 @@
 ; Call to compiled code after setting up the register environment for the VM
 ; prototype:
 ; uint8_t qvmcall64(int *programStack, int *opStack, intptr_t *instructionPointers, byte *dataBase);
+;
+; This call-stub has its own custom calling convention due to pushing all non-volatile registers
+; to the stack. The game uses set/longjmp which on Windows uses "RtlUnwindEx" to unwind the callstack.
+; This function cannot be unwound by default due to the custom calling convention.
+; To allow unwinding, we need to add custom SEH unwind data to the function.
 
-qvmcall64 PROC
-  push rsi							; push non-volatile registers to stack
+qvmcall64 PROC FRAME
+  push r12							; push all non-volatile registers to stack
+  .pushreg r12
+  push r13
+  .pushreg r13
+  push r14
+  .pushreg r14
+  push r15
+  .pushreg r15
   push rdi
+  .pushreg rdi
+  push rsi
+  .pushreg rsi
   push rbx
+  .pushreg rbx
+  push rbp
+  .pushreg rbp
+  
   ; need to save pointer in rcx so we can write back the programData value to caller
   push rcx
+  .pushreg rcx
+  
+  .endprolog						; custom unwind data ends here
 
   ; registers r8 and r9 have correct value already thanx to __fastcall
   xor rbx, rbx						; opStackOfs starts out being 0
@@ -48,9 +70,14 @@ qvmcall64 PROC
   mov dword ptr [rcx], esi			; write back the programStack value
   mov al, bl						; return opStack offset
 
+  pop rbp							; restore all non-volatile registers after the call
   pop rbx
-  pop rdi
   pop rsi
+  pop rdi
+  pop r15
+  pop r14
+  pop r13
+  pop r12
   
   ret
 qvmcall64 ENDP
diff --git a/code/game/ai_dmq3.c b/code/game/ai_dmq3.c
index 30df7acb..3ecaccb7 100644
--- a/code/game/ai_dmq3.c
+++ b/code/game/ai_dmq3.c
@@ -3733,7 +3733,7 @@ void BotMapScripts(bot_state_t *bs) {
 							shootbutton = qfalse;
 							break;
 						}
-						else if (bs->enemy == i) {
+						else if (gametype < GT_CTF || bs->enemy == i) {
 							shootbutton = qtrue;
 						}
 					}
diff --git a/code/renderergl1/tr_model_iqm.c b/code/renderergl1/tr_model_iqm.c
index fe205ff4..5050eb10 100644
--- a/code/renderergl1/tr_model_iqm.c
+++ b/code/renderergl1/tr_model_iqm.c
@@ -1346,7 +1346,7 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
 				vtxMat[10] = blendWeights[0] * poseMats[12 * data->influenceBlendIndexes[4*influence + 0] + 10];
 				vtxMat[11] = blendWeights[0] * poseMats[12 * data->influenceBlendIndexes[4*influence + 0] + 11];
 
-				for( j = 1; j < 3; j++ ) {
+				for( j = 1; j < 4; j++ ) {
 					if ( blendWeights[j] <= 0.0f ) {
 						break;
 					}
diff --git a/code/renderergl2/tr_model_iqm.c b/code/renderergl2/tr_model_iqm.c
index fc345a32..cc12faf4 100644
--- a/code/renderergl2/tr_model_iqm.c
+++ b/code/renderergl2/tr_model_iqm.c
@@ -1528,7 +1528,7 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
 				vtxMat[10] = blendWeights[0] * poseMats[12 * data->influenceBlendIndexes[4*influence + 0] + 10];
 				vtxMat[11] = blendWeights[0] * poseMats[12 * data->influenceBlendIndexes[4*influence + 0] + 11];
 
-				for( j = 1; j < 3; j++ ) {
+				for( j = 1; j < 4; j++ ) {
 					if ( blendWeights[j] <= 0.0f ) {
 						break;
 					}
diff --git a/code/sdl/sdl_snd.c b/code/sdl/sdl_snd.c
index eb0dd58f..7696a515 100644
--- a/code/sdl/sdl_snd.c
+++ b/code/sdl/sdl_snd.c
@@ -281,12 +281,7 @@ qboolean SNDDMA_Init(void)
 #ifdef USE_SDL_AUDIO_CAPTURE
 	// !!! FIXME: some of these SDL_OpenAudioDevice() values should be cvars.
 	s_sdlCapture = Cvar_Get( "s_sdlCapture", "1", CVAR_ARCHIVE | CVAR_LATCH );
-	// !!! FIXME: pulseaudio capture records audio the entire time the program is running. https://bugzilla.libsdl.org/show_bug.cgi?id=4087
-	if (Q_stricmp(SDL_GetCurrentAudioDriver(), "pulseaudio") == 0)
-	{
-		Com_Printf("SDL audio capture support disabled for pulseaudio (https://bugzilla.libsdl.org/show_bug.cgi?id=4087)\n");
-	}
-	else if (!s_sdlCapture->integer)
+	if (!s_sdlCapture->integer)
 	{
 		Com_Printf("SDL audio capture support disabled by user ('+set s_sdlCapture 1' to enable)\n");
 	}