diff --git a/BizHawk.Client.EmuHawk/MainForm.cs b/BizHawk.Client.EmuHawk/MainForm.cs
index 8872006679..12539d46d3 100644
--- a/BizHawk.Client.EmuHawk/MainForm.cs
+++ b/BizHawk.Client.EmuHawk/MainForm.cs
@@ -1664,7 +1664,7 @@ namespace BizHawk.Client.EmuHawk
 			if (VersionInfo.INTERIM)
 			{
 				ofd.Filter = FormatFilter(
-					"Rom Files", "*.nes;*.fds;*.sms;*.gg;*.sg;*.pce;*.sgx;*.bin;*.smd;*.rom;*.a26;*.a78;*.cue;*.exe;*.gb;*.gbc;*.gen;*.md;*.col;.int;*.smc;*.sfc;*.prg;*.d64;*.g64;*.crt;*.sgb;*.xml;*.z64;*.v64;*.n64;%ARCH%",
+					"Rom Files", "*.nes;*.fds;*.sms;*.gg;*.sg;*.pce;*.sgx;*.bin;*.smd;*.rom;*.a26;*.a78;*.cue;*.exe;*.gb;*.gbc;*.gen;*.md;*.col;.int;*.smc;*.sfc;*.prg;*.d64;*.g64;*.crt;*.sgb;*.xml;*.z64;*.v64;*.n64;*.wsc;%ARCH%",
 					"Music Files", "*.psf;*.sid",
 					"Disc Images", "*.cue",
 					"NES", "*.nes;*.fds;%ARCH%",
@@ -1685,12 +1685,13 @@ namespace BizHawk.Client.EmuHawk
 					"Commodore 64 (experimental)", "*.prg; *.d64, *.g64; *.crt;%ARCH%",
 					"SID Commodore 64 Music File", "*.sid;%ARCH%",
 					"Nintendo 64", "*.z64;*.v64;*.n64",
+					"WonderSawn", "*.wsc;%ARCH%",
 					"All Files", "*.*");
 			}
 			else
 			{
 				ofd.Filter = FormatFilter(
-					"Rom Files", "*.nes;*.fds;*.sms;*.gg;*.sg;*.gb;*.gbc;*.pce;*.sgx;*.bin;*.smd;*.gen;*.md;*.smc;*.sfc;*.a26;*.a78;*.col;*.rom;*.cue;*.sgb;*.z64;*.v64;*.n64;*.xml;%ARCH%",
+					"Rom Files", "*.nes;*.fds;*.sms;*.gg;*.sg;*.gb;*.gbc;*.pce;*.sgx;*.bin;*.smd;*.gen;*.md;*.smc;*.sfc;*.a26;*.a78;*.col;*.rom;*.cue;*.sgb;*.z64;*.v64;*.n64;*.wsc;*.xml;%ARCH%",
 					"Disc Images", "*.cue",
 					"NES", "*.nes;*.fds;%ARCH%",
 					"Super NES", "*.smc;*.sfc;*.xml;%ARCH%",
@@ -1705,6 +1706,7 @@ namespace BizHawk.Client.EmuHawk
 					"Archive Files", "%ARCH%",
 					"Savestate", "*.state",
 					"Genesis", "*.gen;*.md;*.smd;*.bin;*.cue;%ARCH%",
+					"WonderSawn", "*.wsc;%ARCH%",
 					"All Files", "*.*");
 			}
 
diff --git a/VersionInfo.cs b/VersionInfo.cs
index 8fe145b869..8f96657924 100644
--- a/VersionInfo.cs
+++ b/VersionInfo.cs
@@ -4,7 +4,7 @@ static class VersionInfo
 {
 	public const string MAINVERSION = "1.7.0";
 	public static string RELEASEDATE = "Unoffical BETA of unknown origin!";
-	public static bool INTERIM = false;
+	public static bool INTERIM = true;
 
 	public static string GetEmuVersion()
 	{