diff --git a/CMakeLists.txt b/CMakeLists.txt
index fe5ee33e..b7022185 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.0)
 # DO NOT CHANGE THIS SRB2 STRING! Some variable names depend on this string.
 # Version change is fine.
 project(SRB2
-	VERSION 2.1.23
+	VERSION 2.1.24
 	LANGUAGES C)
 
 if(${PROJECT_SOURCE_DIR} MATCHES ${PROJECT_BINARY_DIR})
diff --git a/appveyor.yml b/appveyor.yml
index f0f843fb..98da61db 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 2.1.23.{branch}-{build}
+version: 2.1.24.{branch}-{build}
 os: MinGW
 
 environment:
diff --git a/src/doomdef.h b/src/doomdef.h
index 088d81d0..6b6afbf1 100644
--- a/src/doomdef.h
+++ b/src/doomdef.h
@@ -150,9 +150,9 @@ extern FILE *logstream;
 // we use comprevision and compbranch instead.
 #else
 #define VERSION    201 // Game version
-#define SUBVERSION 23  // more precise version number
-#define VERSIONSTRING "v2.1.23"
-#define VERSIONSTRINGW L"v2.1.23"
+#define SUBVERSION 24  // more precise version number
+#define VERSIONSTRING "v2.1.24"
+#define VERSIONSTRINGW L"v2.1.24"
 // Hey! If you change this, add 1 to the MODVERSION below!
 // Otherwise we can't force updates!
 #endif
@@ -217,7 +217,7 @@ extern FILE *logstream;
 // it's only for detection of the version the player is using so the MS can alert them of an update.
 // Only set it higher, not lower, obviously.
 // Note that we use this to help keep internal testing in check; this is why v2.1.0 is not version "1".
-#define MODVERSION 28
+#define MODVERSION 29
 
 // To version config.cfg, MAJOREXECVERSION is set equal to MODVERSION automatically.
 // Increment MINOREXECVERSION whenever a config change is needed that does not correspond
diff --git a/src/info.h b/src/info.h
index cba49667..0700494f 100644
--- a/src/info.h
+++ b/src/info.h
@@ -210,7 +210,7 @@ void A_NapalmScatter();
 void A_SpawnFreshCopy();
 
 // ratio of states to sprites to mobj types is roughly 6 : 1 : 1
-#define NUMMOBJFREESLOTS 256
+#define NUMMOBJFREESLOTS 512
 #define NUMSPRITEFREESLOTS NUMMOBJFREESLOTS
 #define NUMSTATEFREESLOTS (NUMMOBJFREESLOTS*8)
 
diff --git a/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj b/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj
index a8ecbf7f..878db3d8 100644
--- a/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj
+++ b/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj
@@ -1219,7 +1219,7 @@
 		C01FCF4B08A954540054247B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CURRENT_PROJECT_VERSION = 2.1.23;
+				CURRENT_PROJECT_VERSION = 2.1.24;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					NORMALSRB2,
@@ -1231,7 +1231,7 @@
 		C01FCF4C08A954540054247B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CURRENT_PROJECT_VERSION = 2.1.23;
+				CURRENT_PROJECT_VERSION = 2.1.24;
 				GCC_ENABLE_FIX_AND_CONTINUE = NO;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_PREPROCESSOR_DEFINITIONS = (
diff --git a/src/sdl12/macosx/Srb2mac.xcodeproj/project.pbxproj b/src/sdl12/macosx/Srb2mac.xcodeproj/project.pbxproj
index 69c544c5..6b3997b1 100644
--- a/src/sdl12/macosx/Srb2mac.xcodeproj/project.pbxproj
+++ b/src/sdl12/macosx/Srb2mac.xcodeproj/project.pbxproj
@@ -1219,7 +1219,7 @@
 		C01FCF4B08A954540054247B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CURRENT_PROJECT_VERSION = 2.1.23;
+				CURRENT_PROJECT_VERSION = 2.1.24;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					NORMALSRB2,
@@ -1231,7 +1231,7 @@
 		C01FCF4C08A954540054247B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CURRENT_PROJECT_VERSION = 2.1.23;
+				CURRENT_PROJECT_VERSION = 2.1.24;
 				GCC_ENABLE_FIX_AND_CONTINUE = NO;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_PREPROCESSOR_DEFINITIONS = (
diff --git a/src/sounds.h b/src/sounds.h
index 495a55a1..3c74d56e 100644
--- a/src/sounds.h
+++ b/src/sounds.h
@@ -42,7 +42,7 @@ typedef enum
 } skinsound_t;
 
 // free sfx for S_AddSoundFx()
-#define NUMSFXFREESLOTS 800 // Matches SOC Editor.
+#define NUMSFXFREESLOTS 1600 // Matches SOC Editor.
 #define NUMSKINSFXSLOTS (MAXSKINS*NUMSKINSOUNDS)
 
 //