diff --git a/Makefile b/Makefile
index f3ccd86c0b..9a9fb186de 100644
--- a/Makefile
+++ b/Makefile
@@ -1115,11 +1115,10 @@ ifeq ($(USE_INTERNAL_JPEG),1)
   BASE_CFLAGS += -DUSE_INTERNAL_JPEG
   BASE_CFLAGS += -I$(JPDIR)
 else
-  # libjpeg doesn't have pkg-config yet, but let users override with
-  # "make JPEG_CFLAGS=-I/opt/jpeg/include JPEG_LIBS='-L/opt/jpeg/lib -ljpeg'"
-  # if they need to
-  JPEG_CFLAGS ?=
-  JPEG_LIBS ?= -ljpeg
+  # IJG libjpeg doesn't have pkg-config, but libjpeg-turbo uses libjpeg.pc;
+  # we fall back to hard-coded answers if libjpeg.pc is unavailable
+  JPEG_CFLAGS ?= $(shell pkg-config --silence-errors --cflags libjpeg || true)
+  JPEG_LIBS ?= $(shell pkg-config --silence-errors --libs libjpeg || echo -ljpeg)
   BASE_CFLAGS += $(JPEG_CFLAGS)
   RENDERER_LIBS += $(JPEG_LIBS)
 endif
diff --git a/code/cgame/cg_servercmds.c b/code/cgame/cg_servercmds.c
index bff44071cb..cbbed53d81 100644
--- a/code/cgame/cg_servercmds.c
+++ b/code/cgame/cg_servercmds.c
@@ -820,7 +820,6 @@ CG_PlayVoiceChat
 =================
 */
 void CG_PlayVoiceChat( bufferedVoiceChat_t *vchat ) {
-#ifdef MISSIONPACK
 	// if we are going into the intermission, don't start any voices
 	if ( cg.intermissionStarted ) {
 		return;
@@ -845,7 +844,6 @@ void CG_PlayVoiceChat( bufferedVoiceChat_t *vchat ) {
 		CG_Printf( "%s\n", vchat->message );
 	}
 	voiceChatBuffer[cg.voiceChatBufferOut].snd = 0;
-#endif
 }
 
 /*
@@ -854,7 +852,6 @@ CG_PlayBufferedVoieChats
 =====================
 */
 void CG_PlayBufferedVoiceChats( void ) {
-#ifdef MISSIONPACK
 	if ( cg.voiceChatTime < cg.time ) {
 		if (cg.voiceChatBufferOut != cg.voiceChatBufferIn && voiceChatBuffer[cg.voiceChatBufferOut].snd) {
 			//
@@ -864,7 +861,6 @@ void CG_PlayBufferedVoiceChats( void ) {
 			cg.voiceChatTime = cg.time + 1000;
 		}
 	}
-#endif
 }
 
 /*
@@ -873,7 +869,6 @@ CG_AddBufferedVoiceChat
 =====================
 */
 void CG_AddBufferedVoiceChat( bufferedVoiceChat_t *vchat ) {
-#ifdef MISSIONPACK
 	// if we are going into the intermission, don't start any voices
 	if ( cg.intermissionStarted ) {
 		return;
@@ -885,7 +880,6 @@ void CG_AddBufferedVoiceChat( bufferedVoiceChat_t *vchat ) {
 		CG_PlayVoiceChat( &voiceChatBuffer[cg.voiceChatBufferOut] );
 		cg.voiceChatBufferOut++;
 	}
-#endif
 }
 
 /*
@@ -894,7 +888,6 @@ CG_VoiceChatLocal
 =================
 */
 void CG_VoiceChatLocal( int mode, qboolean voiceOnly, int clientNum, int color, const char *cmd ) {
-#ifdef MISSIONPACK
 	char *chat;
 	voiceChatList_t *voiceChatList;
 	clientInfo_t *ci;
@@ -934,7 +927,6 @@ void CG_VoiceChatLocal( int mode, qboolean voiceOnly, int clientNum, int color,
 			CG_AddBufferedVoiceChat(&vchat);
 		}
 	}
-#endif
 }
 
 /*
@@ -962,7 +954,7 @@ void CG_VoiceChat( int mode ) {
 
 	CG_VoiceChatLocal( mode, voiceOnly, clientNum, color, cmd );
 }
-#endif
+#endif // MISSIONPACK
 
 /*
 =================
diff --git a/code/game/ai_main.c b/code/game/ai_main.c
index 48958d8af1..b9034b885b 100644
--- a/code/game/ai_main.c
+++ b/code/game/ai_main.c
@@ -1100,7 +1100,8 @@ void BotWriteSessionData(bot_state_t *bs) {
 			"%i %i %i %i %i %i %i %i"
 			" %f %f %f"
 			" %f %f %f"
-			" %f %f %f",
+			" %f %f %f"
+			" %f",
 		bs->lastgoal_decisionmaker,
 		bs->lastgoal_ltgtype,
 		bs->lastgoal_teammate,
@@ -1117,7 +1118,8 @@ void BotWriteSessionData(bot_state_t *bs) {
 		bs->lastgoal_teamgoal.mins[2],
 		bs->lastgoal_teamgoal.maxs[0],
 		bs->lastgoal_teamgoal.maxs[1],
-		bs->lastgoal_teamgoal.maxs[2]
+		bs->lastgoal_teamgoal.maxs[2],
+		bs->formation_dist
 		);
 
 	var = va( "botsession%i", bs->client );
@@ -1141,7 +1143,8 @@ void BotReadSessionData(bot_state_t *bs) {
 			"%i %i %i %i %i %i %i %i"
 			" %f %f %f"
 			" %f %f %f"
-			" %f %f %f",
+			" %f %f %f"
+			" %f",
 		&bs->lastgoal_decisionmaker,
 		&bs->lastgoal_ltgtype,
 		&bs->lastgoal_teammate,
@@ -1158,7 +1161,8 @@ void BotReadSessionData(bot_state_t *bs) {
 		&bs->lastgoal_teamgoal.mins[2],
 		&bs->lastgoal_teamgoal.maxs[0],
 		&bs->lastgoal_teamgoal.maxs[1],
-		&bs->lastgoal_teamgoal.maxs[2]
+		&bs->lastgoal_teamgoal.maxs[2],
+		&bs->formation_dist
 		);
 }
 
diff --git a/code/qcommon/unzip.c b/code/qcommon/unzip.c
index 4fb2d3a964..b5043c1927 100644
--- a/code/qcommon/unzip.c
+++ b/code/qcommon/unzip.c
@@ -1,4 +1,10 @@
 /* unzip.c -- IO for uncompress .zip files using zlib
+
+   Modified for Quake III Arena to use the Z_Malloc() memory pool;
+   this means a system copy of minizip is not a suitable replacement.
+
+   Based on minizip:
+
    Version 1.01e, February 12th, 2005
 
    Copyright (C) 1998-2005 Gilles Vollant
diff --git a/code/renderergl1/tr_animation.c b/code/renderergl1/tr_animation.c
index 7bcc5bdf69..b01cf81337 100644
--- a/code/renderergl1/tr_animation.c
+++ b/code/renderergl1/tr_animation.c
@@ -346,7 +346,7 @@ void RB_MDRSurfaceAnim( mdrSurface_t *surface )
 	oldFrame = (mdrFrame_t *)((byte *)header + header->ofsFrames +
 		backEnd.currentEntity->e.oldframe * frameSize );
 
-	RB_CheckOverflow( surface->numVerts, surface->numTriangles );
+	RB_CHECKOVERFLOW( surface->numVerts, surface->numTriangles * 3 );
 
 	triangles	= (int *) ((byte *)surface + surface->ofsTriangles);
 	indexes		= surface->numTriangles * 3;
diff --git a/code/renderergl2/tr_animation.c b/code/renderergl2/tr_animation.c
index 74226752e3..53e5ee9951 100644
--- a/code/renderergl2/tr_animation.c
+++ b/code/renderergl2/tr_animation.c
@@ -350,7 +350,7 @@ void RB_MDRSurfaceAnim( mdrSurface_t *surface )
 	oldFrame = (mdrFrame_t *)((byte *)header + header->ofsFrames +
 		backEnd.currentEntity->e.oldframe * frameSize );
 
-	RB_CheckOverflow( surface->numVerts, surface->numTriangles );
+	RB_CHECKOVERFLOW( surface->numVerts, surface->numTriangles * 3 );
 
 	triangles	= (int *) ((byte *)surface + surface->ofsTriangles);
 	indexes		= surface->numTriangles * 3;
diff --git a/code/renderergl2/tr_extramath.c b/code/renderergl2/tr_extramath.c
index da9a94d25d..bded75701c 100644
--- a/code/renderergl2/tr_extramath.c
+++ b/code/renderergl2/tr_extramath.c
@@ -225,7 +225,7 @@ uint16_t FloatToHalf(float in)
 
 	f32.f = in;
 
-	f16.pack.exponent = CLAMP(f32.pack.exponent - 112, 0, 31);
+	f16.pack.exponent = CLAMP((int)(f32.pack.exponent) - 112, 0, 31);
 	f16.pack.fraction = f32.pack.fraction >> 13;
 	f16.pack.sign     = f32.pack.sign;
 
diff --git a/code/renderergl2/tr_image.c b/code/renderergl2/tr_image.c
index e0585096ed..768cce3f30 100644
--- a/code/renderergl2/tr_image.c
+++ b/code/renderergl2/tr_image.c
@@ -2714,7 +2714,7 @@ void R_CreateBuiltinImages( void ) {
 	{
 		for( x = 0; x < MAX_DLIGHTS; x++)
 		{
-			tr.shadowCubemaps[x] = R_CreateImage(va("*shadowcubemap%i", x), (byte *)data, PSHADOW_MAP_SIZE, PSHADOW_MAP_SIZE, IMGTYPE_COLORALPHA, IMGFLAG_CLAMPTOEDGE | IMGFLAG_CUBEMAP, 0);
+			tr.shadowCubemaps[x] = R_CreateImage(va("*shadowcubemap%i", x), NULL, PSHADOW_MAP_SIZE, PSHADOW_MAP_SIZE, IMGTYPE_COLORALPHA, IMGFLAG_CLAMPTOEDGE | IMGFLAG_CUBEMAP, 0);
 		}
 	}