diff --git a/indra/integration_tests/llimage_libtest/llimage_libtest.cpp b/indra/integration_tests/llimage_libtest/llimage_libtest.cpp
index 60ddf63b218992e25fc0eb6a258209c5f7ada6e5..976aae08bb0a7ec5ccf7ba49e2411a5bc08c6b1c 100644
--- a/indra/integration_tests/llimage_libtest/llimage_libtest.cpp
+++ b/indra/integration_tests/llimage_libtest/llimage_libtest.cpp
@@ -70,6 +70,10 @@ static const char USAGE[] = "\n"
 "        be used. Blocks must be smaller than precincts. Like precincts, this option adds\n"
 "        PLT, tile markers and uses RPCL.\n"
 "        Only valid for output j2c images. Default is 64.\n"
+" -l, --levels <n>\n"
+"        Number of decomposition levels (aka discard levels) in the output image.\n"
+"        The maximum number of levels authorized is 32.\n"
+"        Only valid for output j2c images. Default is 5.\n"
 " -rev, --reversible\n"
 "        Set the compression to be lossless (reversible in j2c parlance).\n"
 "        Only valid for output j2c images.\n"
@@ -147,7 +151,7 @@ LLPointer<LLImageRaw> load_image(const std::string &src_filename, int discard_le
 }
 
 // Save a raw image instance into a file
-bool save_image(const std::string &dest_filename, LLPointer<LLImageRaw> raw_image, int blocks_size, int precincts_size, bool reversible, bool output_stats)
+bool save_image(const std::string &dest_filename, LLPointer<LLImageRaw> raw_image, int blocks_size, int precincts_size, int levels, bool reversible, bool output_stats)
 {
 	LLPointer<LLImageFormatted> image = create_image(dest_filename);
 	
@@ -156,9 +160,9 @@ bool save_image(const std::string &dest_filename, LLPointer<LLImageRaw> raw_imag
 	{
 		// That method doesn't exist (and likely, doesn't make sense) for any other image file format
 		// hence the required cryptic cast.
-		if ((blocks_size != -1) || (precincts_size != -1))
+		if ((blocks_size != -1) || (precincts_size != -1) || (levels != 0))
 		{
-			((LLImageJ2C*)(image.get()))->initEncode(*raw_image, blocks_size, precincts_size);
+			((LLImageJ2C*)(image.get()))->initEncode(*raw_image, blocks_size, precincts_size, levels);
 		}
 		((LLImageJ2C*)(image.get()))->setReversible(reversible);
 	}
@@ -306,6 +310,7 @@ int main(int argc, char** argv)
 	int discard_level = -1;
 	int precincts_size = -1;
 	int blocks_size = -1;
+	int levels = 0;
 	bool reversible = false;
 
 	// Init whatever is necessary
@@ -403,7 +408,6 @@ int main(int argc, char** argv)
 			else
 			{
 				precincts_size = atoi(value_str.c_str());
-				// *TODO: make sure precincts_size is a power of 2
 			}
 		}
 		else if (!strcmp(argv[arg], "--blocks") || !strcmp(argv[arg], "-b"))
@@ -420,7 +424,22 @@ int main(int argc, char** argv)
 			else
 			{
 				blocks_size = atoi(value_str.c_str());
-				// *TODO: make sure blocks_size is a power of 2
+			}
+		}
+		else if (!strcmp(argv[arg], "--levels") || !strcmp(argv[arg], "-l"))
+		{
+			std::string value_str;
+			if ((arg + 1) < argc)
+			{
+				value_str = argv[arg+1];
+			}
+			if (((arg + 1) >= argc) || (value_str[0] == '-'))
+			{
+				std::cout << "No valid --levels argument given, default (5) will be used" << std::endl;
+			}
+			else
+			{
+				levels = atoi(value_str.c_str());
 			}
 		}
 		else if (!strcmp(argv[arg], "--reversible") || !strcmp(argv[arg], "-rev"))
@@ -499,7 +518,7 @@ int main(int argc, char** argv)
 		// Save file
 		if (out_file != out_end)
 		{
-			if (!save_image(*out_file, raw_image, blocks_size, precincts_size, reversible, image_stats))
+			if (!save_image(*out_file, raw_image, blocks_size, precincts_size, levels, reversible, image_stats))
 			{
 				std::cout << "Error: Image " << *out_file << " could not be saved" << std::endl;
 			}
diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h
index 18444f393415b572c4e20140409ea8bf753b8eb9..c464c3b2b67e01fe2a692331978bd9771d282852 100644
--- a/indra/llimage/llimage.h
+++ b/indra/llimage/llimage.h
@@ -35,8 +35,21 @@
 
 const S32 MIN_IMAGE_MIP =  2; // 4x4, only used for expand/contract power of 2
 const S32 MAX_IMAGE_MIP = 11; // 2048x2048
+
+// *TODO : Use MAX_IMAGE_MIP as max discard level and modify j2c management so that the number 
+// of levels is read from the header's file, not inferred from its size.
 const S32 MAX_DISCARD_LEVEL = 5;
 
+// JPEG2000 size constraints
+// Those are declared here as they are germane to other image constraints used in the viewer
+// and declared right here. Some come from the JPEG2000 spec, some conventions specific to SL.
+const S32 MAX_DECOMPOSITION_LEVELS = 32;	// Number of decomposition levels cannot exceed 32 according to jpeg2000 spec
+const S32 MIN_DECOMPOSITION_LEVELS = 5;		// the SL viewer will *crash* trying to decode images with fewer than 5 decomposition levels (unless image is small that is)
+const S32 MAX_PRECINCT_SIZE = 2048;			// No reason to be bigger than MAX_IMAGE_SIZE 
+const S32 MIN_PRECINCT_SIZE = 4;			// Can't be smaller than MIN_BLOCK_SIZE
+const S32 MAX_BLOCK_SIZE = 64;				// Max total block size is 4096, hence 64x64 when using square blocks
+const S32 MIN_BLOCK_SIZE = 4;				// Min block dim is 4 according to jpeg2000 spec
+
 const S32 MIN_IMAGE_SIZE = (1<<MIN_IMAGE_MIP); // 4, only used for expand/contract power of 2
 const S32 MAX_IMAGE_SIZE = (1<<MAX_IMAGE_MIP); // 2048
 const S32 MIN_IMAGE_AREA = MIN_IMAGE_SIZE * MIN_IMAGE_SIZE;
diff --git a/indra/llimage/llimagej2c.cpp b/indra/llimage/llimagej2c.cpp
index a90df0f1c17139eb320d40e4dd8d22873a07dc8b..44e6b89dd34ac5072c74c87c26b0e26a58b8976c 100644
--- a/indra/llimage/llimagej2c.cpp
+++ b/indra/llimage/llimagej2c.cpp
@@ -144,9 +144,9 @@ BOOL LLImageJ2C::initDecode(LLImageRaw &raw_image, int discard_level, int* regio
 	return mImpl->initDecode(*this,raw_image,discard_level,region);
 }
 
-BOOL LLImageJ2C::initEncode(LLImageRaw &raw_image, int blocks_size, int precincts_size)
+BOOL LLImageJ2C::initEncode(LLImageRaw &raw_image, int blocks_size, int precincts_size, int levels)
 {
-	return mImpl->initEncode(*this,raw_image,blocks_size,precincts_size);
+	return mImpl->initEncode(*this,raw_image,blocks_size,precincts_size,levels);
 }
 
 BOOL LLImageJ2C::decode(LLImageRaw *raw_imagep, F32 decode_time)
diff --git a/indra/llimage/llimagej2c.h b/indra/llimage/llimagej2c.h
index 6bba81aab539a54b1264bc7dfa2ea0ccf2339267..914174fc57fd092ddfdd2e436e79ebdebd87b4fa 100644
--- a/indra/llimage/llimagej2c.h
+++ b/indra/llimage/llimagej2c.h
@@ -57,7 +57,7 @@ class LLImageJ2C : public LLImageFormatted
 	/*virtual*/ void setLastError(const std::string& message, const std::string& filename = std::string());
 	
 	BOOL initDecode(LLImageRaw &raw_image, int discard_level, int* region);
-	BOOL initEncode(LLImageRaw &raw_image, int blocks_size, int precincts_size);
+	BOOL initEncode(LLImageRaw &raw_image, int blocks_size, int precincts_size, int levels);
 	
 	// Encode with comment text 
 	BOOL encode(const LLImageRaw *raw_imagep, const char* comment_text, F32 encode_time=0.0);
@@ -120,7 +120,7 @@ class LLImageJ2CImpl
 	virtual BOOL encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, const char* comment_text, F32 encode_time=0.0,
 							BOOL reversible=FALSE) = 0;
 	virtual BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int discard_level = -1, int* region = NULL) = 0;
-	virtual BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1) = 0;
+	virtual BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1, int levels = 0) = 0;
 
 	friend class LLImageJ2C;
 };
diff --git a/indra/llimagej2coj/llimagej2coj.cpp b/indra/llimagej2coj/llimagej2coj.cpp
index 8288fa1f5c383270ec326ebf0d6632768f083c68..d15824ce5afd7da462e19ba7f823f33d92d67c4f 100644
--- a/indra/llimagej2coj/llimagej2coj.cpp
+++ b/indra/llimagej2coj/llimagej2coj.cpp
@@ -113,7 +113,7 @@ BOOL LLImageJ2COJ::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int disca
 	return FALSE;
 }
 
-BOOL LLImageJ2COJ::initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size, int precincts_size)
+BOOL LLImageJ2COJ::initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size, int precincts_size, int levels)
 {
 	// No specific implementation for this method in the OpenJpeg case
 	return FALSE;
diff --git a/indra/llimagej2coj/llimagej2coj.h b/indra/llimagej2coj/llimagej2coj.h
index 9c7cc09fcbcacdd1c35222d05f01f28aa58b606c..40ad4edb00fef16f726be93416fef5d216f4719a 100644
--- a/indra/llimagej2coj/llimagej2coj.h
+++ b/indra/llimagej2coj/llimagej2coj.h
@@ -40,7 +40,7 @@ class LLImageJ2COJ : public LLImageJ2CImpl
 	/*virtual*/ BOOL encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, const char* comment_text, F32 encode_time=0.0,
 								BOOL reversible = FALSE);
 	/*virtual*/ BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int discard_level = -1, int* region = NULL);
-	/*virtual*/ BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1);
+	/*virtual*/ BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1, int levels = 0);
 };
 
 #endif
diff --git a/indra/llkdu/llimagej2ckdu.cpp b/indra/llkdu/llimagej2ckdu.cpp
index ae456a48be68fafbd283cc3fc7627cec0d596fd4..39ae09650e1abd53e5635f3bbcb37eb6fd31de18 100644
--- a/indra/llkdu/llimagej2ckdu.cpp
+++ b/indra/llkdu/llimagej2ckdu.cpp
@@ -29,6 +29,7 @@
 
 #include "lltimer.h"
 #include "llpointer.h"
+#include "llmath.h"
 #include "llkdumem.h"
 
 
@@ -192,7 +193,8 @@ mTileIndicesp(NULL),
 mRawImagep(NULL),
 mDecodeState(NULL),
 mBlocksSize(-1),
-mPrecinctsSize(-1)
+mPrecinctsSize(-1),
+mLevels(0)
 {
 }
 
@@ -328,10 +330,29 @@ BOOL LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int disc
 	return initDecode(base,raw_image,0.0f,MODE_FAST,0,4,discard_level,region);
 }
 
-BOOL LLImageJ2CKDU::initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size, int precincts_size)
+BOOL LLImageJ2CKDU::initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size, int precincts_size, int levels)
 {
-	mBlocksSize = blocks_size;
 	mPrecinctsSize = precincts_size;
+	if (mPrecinctsSize != -1)
+	{
+		mPrecinctsSize = get_lower_power_two(mPrecinctsSize,MAX_PRECINCT_SIZE);
+		mPrecinctsSize = llmax(mPrecinctsSize,MIN_PRECINCT_SIZE);
+	}
+	mBlocksSize = blocks_size;
+	if (mBlocksSize != -1)
+	{
+		mBlocksSize = get_lower_power_two(mBlocksSize,MAX_BLOCK_SIZE);
+		mBlocksSize = llmax(mBlocksSize,MIN_BLOCK_SIZE);
+		if (mPrecinctsSize != -1)
+		{
+			mBlocksSize = llmin(mBlocksSize,mPrecinctsSize);	// blocks *must* be smaller than precincts
+		}
+	}
+	mLevels = levels;
+	if (mLevels != 0)
+	{
+		mLevels = llclamp(mLevels,MIN_DECOMPOSITION_LEVELS,MIN_DECOMPOSITION_LEVELS);		
+	}
 	return TRUE;
 }
 
@@ -373,10 +394,12 @@ BOOL LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco
 
 		// Resize raw_image according to the image to be decoded
 		kdu_dims dims; mCodeStreamp->get_dims(0,dims);
+		// *TODO: Use the real number of levels read from the file throughout the code instead of relying on an infered value from dimensions
+		//S32 levels = mCodeStreamp->get_min_dwt_levels();
 		S32 channels = base.getComponents() - first_channel;
 		channels = llmin(channels,max_channel_count);
 		raw_image.resize(dims.size.x, dims.size.y, channels);
-		//	llinfos << "Resizing raw_image to " << dims.size.x << ":" << dims.size.y << llendl;
+		//llinfos << "j2c image dimension: width = " << dims.size.x << ", height = " << dims.size.y << ", channels = " << channels << ", levels = " << levels << llendl;
 
 		if (!mTileIndicesp)
 		{
@@ -653,6 +676,11 @@ BOOL LLImageJ2CKDU::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, co
 			std::string Parts_string = llformat("ORGtparts=R");
 			codestream.access_siz()->parse_string(Parts_string.c_str());
 		}
+		if (mLevels != 0)
+		{
+			std::string levels_string = llformat("Clevels=%d",mLevels);
+			codestream.access_siz()->parse_string(levels_string.c_str());
+		}
 		
 		codestream.access_siz()->finalize_all();
 		codestream.change_appearance(transpose,vflip,hflip);
diff --git a/indra/llkdu/llimagej2ckdu.h b/indra/llkdu/llimagej2ckdu.h
index 9fce58b76258a3ea77512d606755e5f22ad2f96b..1489dbf7043ba08a21a30152ebc0fb121a535233 100644
--- a/indra/llkdu/llimagej2ckdu.h
+++ b/indra/llkdu/llimagej2ckdu.h
@@ -59,7 +59,7 @@ class LLImageJ2CKDU : public LLImageJ2CImpl
 	/*virtual*/ BOOL encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, const char* comment_text, F32 encode_time=0.0,
 								BOOL reversible=FALSE);
 	/*virtual*/ BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int discard_level = -1, int* region = NULL);
-	/*virtual*/ BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1);
+	/*virtual*/ BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1, int levels = 0);
 
 private:
 	BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, ECodeStreamMode mode, S32 first_channel, S32 max_channel_count, int discard_level = -1, int* region = NULL);
@@ -73,6 +73,7 @@ class LLImageJ2CKDU : public LLImageJ2CImpl
 	kdu_dims *mTileIndicesp;
 	int mBlocksSize;
 	int mPrecinctsSize;
+	int mLevels;
 
 	// Temporary variables for in-progress decodes...
 	LLImageRaw *mRawImagep;
diff --git a/indra/llkdu/tests/llimagej2ckdu_test.cpp b/indra/llkdu/tests/llimagej2ckdu_test.cpp
index 7ac24a969a09cccd04710710951e67ede9504ded..ab60ab6d502d05ee3bb0dcb21d43bf4eac151095 100644
--- a/indra/llkdu/tests/llimagej2ckdu_test.cpp
+++ b/indra/llkdu/tests/llimagej2ckdu_test.cpp
@@ -134,6 +134,7 @@ kdu_params* kdu_params::access_cluster(const char*) { return NULL; }
 void kdu_codestream::set_fast() { }
 void kdu_codestream::set_fussy() { }
 void kdu_codestream::get_dims(int, kdu_dims&, bool ) { }
+int kdu_codestream::get_min_dwt_levels() { return 5; }
 void kdu_codestream::change_appearance(bool, bool, bool) { }
 void kdu_codestream::get_tile_dims(kdu_coords, int, kdu_dims&, bool ) { }
 void kdu_codestream::destroy() { }
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index ac52cff49a801542d4a6f120d13b8c3858db1441..e6c2dc441331d86858dc28a3b5d4085f5314330e 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -3910,6 +3910,17 @@
       <key>Value</key>
       <string>http://search.secondlife.com/viewer/[CATEGORY]/?q=[QUERY]&amp;p=[AUTH_TOKEN]&amp;r=[MATURITY]&amp;lang=[LANGUAGE]&amp;g=[GODLIKE]&amp;sid=[SESSION_ID]&amp;rid=[REGION_ID]&amp;pid=[PARCEL_ID]&amp;channel=[CHANNEL]&amp;version=[VERSION]&amp;major=[VERSION_MAJOR]&amp;minor=[VERSION_MINOR]&amp;patch=[VERSION_PATCH]&amp;build=[VERSION_BUILD]</string>
     </map>
+    <key>SearchURLBeta</key>
+    <map>
+      <key>Comment</key>
+      <string>URL for Search website, displayed in the Find floater</string>
+      <key>Persist</key>
+      <integer>0</integer>
+      <key>Type</key>
+      <string>String</string>
+      <key>Value</key>
+      <string>http://beta.search.secondlife.com/viewer/[CATEGORY]/?q=[QUERY]&amp;p=[AUTH_TOKEN]&amp;r=[MATURITY]&amp;lang=[LANGUAGE]&amp;g=[GODLIKE]&amp;sid=[SESSION_ID]&amp;rid=[REGION_ID]&amp;pid=[PARCEL_ID]&amp;channel=[CHANNEL]&amp;version=[VERSION]&amp;major=[VERSION_MAJOR]&amp;minor=[VERSION_MINOR]&amp;patch=[VERSION_PATCH]&amp;build=[VERSION_BUILD]</string>
+    </map>
     <key>WebProfileURL</key>
     <map>
       <key>Comment</key>
@@ -4284,6 +4295,39 @@
       <key>Value</key>
         <real>0.25</real>
       </map>
+	<key>Jpeg2000AdvancedCompression</key>
+	  <map>
+      <key>Comment</key>
+        <string>Use advanced Jpeg2000 compression options (precincts, blocks, ordering, markers)</string>
+      <key>Persist</key>
+        <integer>1</integer>
+      <key>Type</key>
+        <string>Boolean</string>
+      <key>Value</key>
+        <integer>0</integer>
+	  </map>
+	<key>Jpeg2000PrecinctsSize</key>
+	  <map>
+      <key>Comment</key>
+        <string>Size of image precincts. Assumed square and same for all levels. Must be power of 2.</string>
+      <key>Persist</key>
+        <integer>1</integer>
+      <key>Type</key>
+        <string>S32</string>
+      <key>Value</key>
+        <integer>256</integer>
+	  </map>
+	<key>Jpeg2000BlocksSize</key>
+	  <map>
+      <key>Comment</key>
+        <string>Size of encoding blocks. Assumed square and same for all levels. Must be power of 2. Max 64, Min 4.</string>
+      <key>Persist</key>
+        <integer>1</integer>
+      <key>Type</key>
+        <string>S32</string>
+      <key>Value</key>
+        <integer>64</integer>
+	  </map>
     <key>KeepAspectForSnapshot</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/app_settings/settings_minimal.xml b/indra/newview/app_settings/settings_minimal.xml
index d3f0ec5dad65535b7cff6f98e5d0ea60edc491c1..70a75cb4ca96adb551d5b9eacd185080c5e85f90 100644
--- a/indra/newview/app_settings/settings_minimal.xml
+++ b/indra/newview/app_settings/settings_minimal.xml
@@ -45,15 +45,6 @@
         <key>Value</key>
             <integer>0</integer>
         </map>
-    <key>EnableVoiceChat</key>
-        <map>
-        <key>Comment</key>
-            <string>Enable talking to other residents with a microphone</string>
-        <key>Type</key>
-            <string>Boolean</string>
-        <key>Value</key>
-            <integer>1</integer>
-        </map>
     <key>HelpURLFormat</key>
         <map>
         <key>Comment</key>
diff --git a/indra/newview/app_settings/settings_per_account.xml b/indra/newview/app_settings/settings_per_account.xml
index 8efec1cff0726becb82fcb834a8d90e85f9a7331..ff24efaf2c5793583658c138a6dce87a1cbee828 100644
--- a/indra/newview/app_settings/settings_per_account.xml
+++ b/indra/newview/app_settings/settings_per_account.xml
@@ -44,6 +44,17 @@
         <key>Value</key>
             <integer>0</integer>
         </map>
+    <key>LastPostcardRecipient</key>
+      <map>
+        <key>Comment</key>
+          <string>Last recipient of postcard</string>
+        <key>Persist</key>
+          <integer>1</integer>
+        <key>Type</key>
+          <string>String</string>
+        <key>Value</key>
+          <string />
+      </map>
     <key>LogNearbyChat</key>
         <map>
         <key>Comment</key>
diff --git a/indra/newview/llbottomtray.cpp b/indra/newview/llbottomtray.cpp
index c72cdfd1dcaf84a1eeea048b7ad3f0350561e982..f51552aae522a28255b0ccd6df3899631a0ebf2a 100644
--- a/indra/newview/llbottomtray.cpp
+++ b/indra/newview/llbottomtray.cpp
@@ -559,7 +559,7 @@ BOOL LLBottomTray::postBuild()
 	else
 	{
 		LLTransientFloaterMgr::getInstance()->addControlView(getChild<LLButton>("speak_btn"));
-		LLTransientFloaterMgr::getInstance()->addControlView(getChild<LLButton>("speak_flyout_btn"));
+		LLTransientFloaterMgr::getInstance()->addControlView(getChild<LLButton>("flyout_btn"));
 	}
 
 
@@ -1591,7 +1591,7 @@ void LLBottomTray::initResizeStateContainers()
 // because it resets chatbar's width according to resize logic.
 void LLBottomTray::initButtonsVisibility()
 {
-	setVisibleAndFitWidths(RS_BUTTON_SPEAK, gSavedSettings.getBOOL("EnableVoiceChat"));
+	setVisibleAndFitWidths(RS_BUTTON_SPEAK, gSavedSettings.getBOOL("EnableVoiceChat") || !mSpeakBtn );
 	setVisibleAndFitWidths(RS_BUTTON_GESTURES, gSavedSettings.getBOOL("ShowGestureButton"));
 	setVisibleAndFitWidths(RS_BUTTON_MOVEMENT, gSavedSettings.getBOOL("ShowMoveButton"));
 	setVisibleAndFitWidths(RS_BUTTON_CAMERA, gSavedSettings.getBOOL("ShowCameraButton"));
@@ -1605,7 +1605,12 @@ void LLBottomTray::initButtonsVisibility()
 
 void LLBottomTray::setButtonsControlsAndListeners()
 {
-	gSavedSettings.getControl("EnableVoiceChat")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_SPEAK, _2));
+	// always show the speak panel if using the basic skin
+	if (mSpeakBtn)
+	{
+		gSavedSettings.getControl("EnableVoiceChat")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_SPEAK, _2));
+	}	
+
 	gSavedSettings.getControl("ShowGestureButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_GESTURES, _2));
 	gSavedSettings.getControl("ShowMoveButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_MOVEMENT, _2));
 	gSavedSettings.getControl("ShowCameraButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_CAMERA, _2));
diff --git a/indra/newview/llfloatersearch.cpp b/indra/newview/llfloatersearch.cpp
index d5806e375c18ab8e02dd623467d65c3c63b28f22..c8fe380710a8f5d3cf9a75ba98a124d5d97b18bc 100644
--- a/indra/newview/llfloatersearch.cpp
+++ b/indra/newview/llfloatersearch.cpp
@@ -38,6 +38,7 @@
 #include "llui.h"
 #include "llviewercontrol.h"
 #include "llweb.h"
+#include "llversioninfo.h"
 
 // support secondlife:///app/search/{CATEGORY}/{QUERY} SLapps
 class LLSearchHandler : public LLCommandHandler
@@ -203,7 +204,15 @@ void LLFloaterSearch::search(const LLSD &key)
 
 	// get the search URL and expand all of the substitutions
 	// (also adds things like [LANGUAGE], [VERSION], [OS], etc.)
-	std::string url = gSavedSettings.getString("SearchURL");
+	std::string url;
+	if (LLVersionInfo::getChannel().find("Beta") != std::string::npos)
+	{
+		url = gSavedSettings.getString("SearchURLBeta");
+	}
+	else
+	{
+		url = gSavedSettings.getString("SearchURL");
+	}
 	url = LLWeb::expandURLSubstitutions(url, subs);
 
 	// and load the URL in the web view
diff --git a/indra/newview/llfloatersounddevices.cpp b/indra/newview/llfloatersounddevices.cpp
index 3903b9b0154501881b5b1c93208537ca63eacaf0..9fe7c7f9dd831c3ea69318a12d3740da4919eedb 100644
--- a/indra/newview/llfloatersounddevices.cpp
+++ b/indra/newview/llfloatersounddevices.cpp
@@ -56,7 +56,7 @@ BOOL LLFloaterSoundDevices::postBuild()
 {
 	LLTransientDockableFloater::postBuild();
 		
-	LLView *anchor_panel = LLBottomTray::getInstance()->getChild<LLView>("speak_flyout_btn");
+	LLView *anchor_panel = LLBottomTray::getInstance()->getChild<LLView>("flyout_btn");
 	setDockControl(new LLDockControl(anchor_panel, this, getDockTongue(), LLDockControl::TOP));
 
 	setIsChrome(TRUE);
diff --git a/indra/newview/llpanellogin.cpp b/indra/newview/llpanellogin.cpp
index 4ac3a248d322746c1a12468fba83741194a3d436..27f341b4f6d449a9711a506c3bdd27adcaa40cb1 100644
--- a/indra/newview/llpanellogin.cpp
+++ b/indra/newview/llpanellogin.cpp
@@ -769,7 +769,10 @@ void LLPanelLogin::loadLoginPage()
 	gViewerWindow->setMenuBackgroundColor(false, !LLGridManager::getInstance()->isInProductionGrid());
 	
 	LLMediaCtrl* web_browser = sInstance->getChild<LLMediaCtrl>("login_html");
-	web_browser->navigateTo( oStr.str(), "text/html" );
+	if (web_browser->getCurrentNavUrl() != oStr.str())
+	{
+		web_browser->navigateTo( oStr.str(), "text/html" );
+	}
 }
 
 void LLPanelLogin::handleMediaEvent(LLPluginClassMedia* /*self*/, EMediaEvent event)
diff --git a/indra/newview/llpanelvoicedevicesettings.cpp b/indra/newview/llpanelvoicedevicesettings.cpp
index 71bb4a5584a893b9e0e455c5cdd829a58d429782..dc87bd007797dc76e215f22b6c71ddbd60b796e3 100644
--- a/indra/newview/llpanelvoicedevicesettings.cpp
+++ b/indra/newview/llpanelvoicedevicesettings.cpp
@@ -221,23 +221,7 @@ void LLPanelVoiceDeviceSettings::refresh()
 				iter != LLVoiceClient::getInstance()->getCaptureDevices().end();
 				iter++)
 			{
-				// Lets try to localize some system device names. EXT-8375
-				std::string device_name = *iter;
-				LLStringUtil::toLower(device_name); //compare in low case
-				if ("default system device" == device_name)
-				{
-					device_name = getString(device_name);
-				}
-				else if ("no device" == device_name)
-				{
-					device_name = getString(device_name);
-				}
-				else
-				{
-					// restore original value
-					device_name = *iter;
-				}
-				mCtrlInputDevices->add(device_name, ADD_BOTTOM );
+				mCtrlInputDevices->add( *iter, ADD_BOTTOM );
 			}
 
 			if(!mCtrlInputDevices->setSimple(mInputDevice))
@@ -254,23 +238,7 @@ void LLPanelVoiceDeviceSettings::refresh()
 			for(iter= LLVoiceClient::getInstance()->getRenderDevices().begin(); 
 				iter !=  LLVoiceClient::getInstance()->getRenderDevices().end(); iter++)
 			{
-				// Lets try to localize some system device names. EXT-8375
-				std::string device_name = *iter;
-				LLStringUtil::toLower(device_name); //compare in low case
-				if ("default system device" == device_name)
-				{
-					device_name = getString(device_name);
-				}
-				else if ("no device" == device_name)
-				{
-					device_name = getString(device_name);
-				}
-				else
-				{
-					// restore original value
-					device_name = *iter;
-				}
-				mCtrlOutputDevices->add(device_name, ADD_BOTTOM );
+				mCtrlOutputDevices->add( *iter, ADD_BOTTOM );
 			}
 
 			if(!mCtrlOutputDevices->setSimple(mOutputDevice))
diff --git a/indra/newview/llviewermessage.cpp b/indra/newview/llviewermessage.cpp
index fea5345f9c4467f6e68d02a5d94d833aaba99e33..298e789f65a4cfae4be05aec305acc1643c78b36 100644
--- a/indra/newview/llviewermessage.cpp
+++ b/indra/newview/llviewermessage.cpp
@@ -5373,6 +5373,12 @@ bool attempt_standard_notification(LLMessageSystem* msgsystem)
 	{
 		// notification was specified using the new mechanism, so we can just handle it here
 		std::string notificationID;
+		msgsystem->getStringFast(_PREHASH_AlertInfo, _PREHASH_Message, notificationID);
+		if (!LLNotifications::getInstance()->templateExists(notificationID))
+		{
+			return false;
+		}
+
 		std::string llsdRaw;
 		LLSD llsdBlock;
 		msgsystem->getStringFast(_PREHASH_AlertInfo, _PREHASH_Message, notificationID);
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index d331779e1f37fd4abcba50a7ec609af307ffe259..33e7328cd7396be534c84640e3929667d0119579 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -946,16 +946,19 @@ BOOL LLViewerTextureList::createUploadFile(const std::string& filename,
 	LLPointer<LLImageFormatted> image = LLImageFormatted::createFromType(codec);
 	if (image.isNull())
 	{
+		image->setLastError("Couldn't open the image to be uploaded.");
 		return FALSE;
 	}	
 	if (!image->load(filename))
 	{
+		image->setLastError("Couldn't load the image to be uploaded.");
 		return FALSE;
 	}
 	// Decompress or expand it in a raw image structure
 	LLPointer<LLImageRaw> raw_image = new LLImageRaw;
 	if (!image->decode(raw_image, 0.0f))
 	{
+		image->setLastError("Couldn't decode the image to be uploaded.");
 		return FALSE;
 	}
 	// Check the image constraints
@@ -966,8 +969,15 @@ BOOL LLViewerTextureList::createUploadFile(const std::string& filename,
 	}
 	// Convert to j2c (JPEG2000) and save the file locally
 	LLPointer<LLImageJ2C> compressedImage = convertToUploadFile(raw_image);	
+	if (compressedImage.isNull())
+	{
+		image->setLastError("Couldn't convert the image to jpeg2000.");
+		llinfos << "Couldn't convert to j2c, file : " << filename << llendl;
+		return FALSE;
+	}
 	if (!compressedImage->save(out_filename))
 	{
+		image->setLastError("Couldn't create the jpeg2000 image for upload.");
 		llinfos << "Couldn't create output file : " << out_filename << llendl;
 		return FALSE;
 	}
@@ -975,6 +985,7 @@ BOOL LLViewerTextureList::createUploadFile(const std::string& filename,
 	LLPointer<LLImageJ2C> integrity_test = new LLImageJ2C;
 	if (!integrity_test->loadAndValidate( out_filename ))
 	{
+		image->setLastError("The created jpeg2000 image is corrupt.");
 		llinfos << "Image file : " << out_filename << " is corrupt" << llendl;
 		return FALSE;
 	}
@@ -992,7 +1003,25 @@ LLPointer<LLImageJ2C> LLViewerTextureList::convertToUploadFile(LLPointer<LLImage
 		(raw_image->getWidth() * raw_image->getHeight() <= LL_IMAGE_REZ_LOSSLESS_CUTOFF * LL_IMAGE_REZ_LOSSLESS_CUTOFF))
 		compressedImage->setReversible(TRUE);
 	
-	compressedImage->encode(raw_image, 0.0f);
+
+	if (gSavedSettings.getBOOL("Jpeg2000AdvancedCompression"))
+	{
+		// This test option will create jpeg2000 images with precincts for each level, RPCL ordering
+		// and PLT markers. The block size is also optionally modifiable.
+		// Note: the images hence created are compatible with older versions of the viewer.
+		// Read the blocks and precincts size settings
+		S32 block_size = gSavedSettings.getS32("Jpeg2000BlocksSize");
+		S32 precinct_size = gSavedSettings.getS32("Jpeg2000PrecinctsSize");
+		llinfos << "Advanced JPEG2000 Compression: precinct = " << precinct_size << ", block = " << block_size << llendl;
+		compressedImage->initEncode(*raw_image, block_size, precinct_size, 0);
+	}
+	
+	if (!compressedImage->encode(raw_image, 0.0f))
+	{
+		llinfos << "convertToUploadFile : encode returns with error!!" << llendl;
+		// Clear up the pointer so we don't leak that one
+		compressedImage = NULL;
+	}
 	
 	return compressedImage;
 }
diff --git a/indra/newview/llvoicechannel.cpp b/indra/newview/llvoicechannel.cpp
index a71539266d6c8a6d6febc8bc48efd01c04122524..bd12328a6bceaa950a3d1fda6d3ceb75b1d60eec 100644
--- a/indra/newview/llvoicechannel.cpp
+++ b/indra/newview/llvoicechannel.cpp
@@ -412,6 +412,7 @@ void LLVoiceChannel::doSetState(const EState& new_state)
 {
 	EState old_state = mState;
 	mState = new_state;
+
 	if (!mStateChangedCallback.empty())
 		mStateChangedCallback(old_state, mState, mCallDirection, mCallEndedByAgent);
 }
@@ -846,8 +847,13 @@ void LLVoiceChannelP2P::activate()
 		// otherwise answering the call
 		else
 		{
-			LLVoiceClient::getInstance()->answerInvite(mSessionHandle);
-			
+			if (!LLVoiceClient::getInstance()->answerInvite(mSessionHandle))
+			{
+				mCallEndedByAgent = false;
+				mSessionHandle.clear();
+				handleError(ERROR_UNKNOWN);
+				return;
+			}
 			// using the session handle invalidates it.  Clear it out here so we can't reuse it by accident.
 			mSessionHandle.clear();
 		}
diff --git a/indra/newview/skins/default/xui/en/floater_postcard.xml b/indra/newview/skins/default/xui/en/floater_postcard.xml
index b4ecedd9815d3bf0fcea79701d3ef0ccabcc9e44..8da35e9d7f73a7e60c7b1f3d31c976d756429cc3 100644
--- a/indra/newview/skins/default/xui/en/floater_postcard.xml
+++ b/indra/newview/skins/default/xui/en/floater_postcard.xml
@@ -36,6 +36,7 @@
         Recipient&apos;s Email:
     </text>
     <line_editor
+     control_name="LastPostcardRecipient"
      follows="left|top"
      height="20"
      layout="topleft"
diff --git a/indra/newview/skins/default/xui/en/floater_script_debug_panel.xml b/indra/newview/skins/default/xui/en/floater_script_debug_panel.xml
index d1db5c17bad13fea24d79e0f34c075aeb4a66aad..ce96ea232e949656dae8f91d4dc511c4f83c813f 100644
--- a/indra/newview/skins/default/xui/en/floater_script_debug_panel.xml
+++ b/indra/newview/skins/default/xui/en/floater_script_debug_panel.xml
@@ -20,5 +20,6 @@
      parse_highlights="true" 
      read_only="true"
      width="420"
+     track_bottom="true" 
      word_wrap="true" />
 </floater>
diff --git a/indra/newview/skins/default/xui/en/floater_sound_devices.xml b/indra/newview/skins/default/xui/en/floater_sound_devices.xml
index c7c7a05af2b9741c158f20f010a8f10085c149a1..304987c3d59c1470f7820dc744beee4ee8c506f9 100644
--- a/indra/newview/skins/default/xui/en/floater_sound_devices.xml
+++ b/indra/newview/skins/default/xui/en/floater_sound_devices.xml
@@ -11,7 +11,7 @@
  save_rect="true"
  single_instance="true"
  bevel_style="in"
- height="140"
+ height="164"
  layout="topleft"
  name="floater_sound_devices"
  title="Sound Devices"
@@ -25,4 +25,23 @@
     left="2"
     top="26"
     class="panel_voice_device_settings"/>
+  <text
+    name="voice_label"
+    top="136"
+    left="12"
+    height="14"
+    width="80"
+    layout="topleft"
+    >Voice Chat</text>
+  <check_box
+    layout="topleft"
+    control_name="EnableVoiceChat"
+    follows="bottom|left"
+    top="138"
+    left="80"
+    name="enable_voice"
+    width="100"
+    height="14"
+    label="Enabled"
+    />
 </floater>
diff --git a/indra/newview/skins/default/xui/en/panel_sound_devices.xml b/indra/newview/skins/default/xui/en/panel_sound_devices.xml
index 981228132390756d435c5ad6ecc9e5cdc6f1ca9a..ccae7c535092dc796c89424f6ff0911a742e724b 100644
--- a/indra/newview/skins/default/xui/en/panel_sound_devices.xml
+++ b/indra/newview/skins/default/xui/en/panel_sound_devices.xml
@@ -11,14 +11,6 @@
 	  name="default_text">
 		Default
 	</panel.string>
-	<panel.string
-	  name="default system device">
-		Default system device
-	</panel.string>
-	<panel.string
-	  name="no device">
-		No device
-	</panel.string>
 	<icon
 		   height="18"
 		   image_name="Microphone_On"
diff --git a/indra/newview/skins/minimal/xui/en/panel_bottomtray.xml b/indra/newview/skins/minimal/xui/en/panel_bottomtray.xml
index 237af61717b0d7d9b13200883825494a444e19e5..d722c54081a96d8762e0ca39826805ccde73d4a9 100644
--- a/indra/newview/skins/minimal/xui/en/panel_bottomtray.xml
+++ b/indra/newview/skins/minimal/xui/en/panel_bottomtray.xml
@@ -115,7 +115,7 @@
         top="5"
      left="0"
      height="23"
-     name="speak_flyout_btn"
+     name="flyout_btn"
      label=""
      tab_stop="false"
      tool_tip="Change your sound preferences"