diff --git a/Ghidra/Debug/Debugger-agent-gdb/data/debugger-launchers/ssh-gdb.ps1 b/Ghidra/Debug/Debugger-agent-gdb/data/debugger-launchers/ssh-gdb.ps1
index 9900c4a0ab..cc6474cde5 100644
--- a/Ghidra/Debug/Debugger-agent-gdb/data/debugger-launchers/ssh-gdb.ps1
+++ b/Ghidra/Debug/Debugger-agent-gdb/data/debugger-launchers/ssh-gdb.ps1
@@ -57,14 +57,14 @@ are copied and installed.
 
 NOTE: Automatic resolution will cause this session to terminate. When it has
 finished, try launching again.
-"@ "Would you like to install 'ghidragdb==$version'?"
+"@ "Would you like to install 'ghidragdb>=$version'?"
 
 if ($answer) {
 	Write-Host "Copying Wheels to $Env:OPT_HOST"
 	Mitigate-Scp-PyModules "Debug/Debugger-rmi-trace" "Debug/Debugger-agent-gdb"
 
 	Write-Host "Installing Wheels into GDB's embedded Python"
-	$arglist = Compute-Gdb-PipInstall-Args "'-f'" "os.environ['HOME']" "'ghidragdb==$version'"
+	$arglist = Compute-Gdb-PipInstall-Args "'-f'" "os.environ['HOME']" "'ghidragdb>=$version'"
 	$sshargs = Compute-Ssh-Args $arglist False
 	Start-Process -FilePath $sshargs[0] -ArgumentList $sshargs[1..$sshargs.Count] -NoNewWindow -Wait
 }
diff --git a/Ghidra/Debug/Debugger-agent-gdb/data/debugger-launchers/ssh-gdb.sh b/Ghidra/Debug/Debugger-agent-gdb/data/debugger-launchers/ssh-gdb.sh
index 17977f17ed..070feab61d 100755
--- a/Ghidra/Debug/Debugger-agent-gdb/data/debugger-launchers/ssh-gdb.sh
+++ b/Ghidra/Debug/Debugger-agent-gdb/data/debugger-launchers/ssh-gdb.sh
@@ -57,7 +57,7 @@ version=$(get-ghidra-version)
 
 function do-installation() {
 	local -a pipargs
-	compute-gdb-pipinstall-args "'-f'" "os.environ['HOME']" "'ghidragdb==$version'"
+	compute-gdb-pipinstall-args "'-f'" "os.environ['HOME']" "'ghidragdb>=$version'"
 	local -a sshargs
 	compute-ssh-args false "${pipargs[@]}"
 
@@ -90,7 +90,7 @@ are copied and installed.
 
 NOTE: Automatic resolution will cause this session to terminate. When it has
 finished, try launching again.
-" "Would you like to install 'ghidragdb==$version'?"; then
+" "Would you like to install 'ghidragdb>=$version'?"; then
 
 	echo "Copying Wheels to $OPT_HOST"
 	mitigate-scp-pymodules "Debug/Debugger-rmi-trace" "Debug/Debugger-agent-gdb"
diff --git a/Ghidra/Debug/Debugger-agent-lldb/data/debugger-launchers/ssh-lldb.ps1 b/Ghidra/Debug/Debugger-agent-lldb/data/debugger-launchers/ssh-lldb.ps1
index d260cfc65a..4ddc7bf771 100644
--- a/Ghidra/Debug/Debugger-agent-lldb/data/debugger-launchers/ssh-lldb.ps1
+++ b/Ghidra/Debug/Debugger-agent-lldb/data/debugger-launchers/ssh-lldb.ps1
@@ -56,14 +56,14 @@ are copied and installed.
 
 NOTE: Automatic resolution will cause this session to terminate. When it has
 finished, try launching again.
-"@ "Would you like to install 'ghidralldb==$version'?"
+"@ "Would you like to install 'ghidralldb>=$version'?"
 
 if ($answer) {
 	Write-Host "Copying Wheels to $Env:OPT_HOST"
 	Mitigate-Scp-PyModules "Debug/Debugger-rmi-trace" "Debug/Debugger-agent-lldb"
 
 	Write-Host "Installing Wheels into LLDB's embedded Python"
-	$arglist = Compute-Lldb-PipInstall-Args "'-f'" "os.environ['HOME']" "'ghidralldb==$version'"
+	$arglist = Compute-Lldb-PipInstall-Args "'-f'" "os.environ['HOME']" "'ghidralldb>=$version'"
 	$sshargs = Compute-Ssh-Args $arglist False
 	Start-Process -FilePath $sshargs[0] -ArgumentList $sshargs[1..$sshargs.Count] -NoNewWindow -Wait
 }
diff --git a/Ghidra/Debug/Debugger-agent-lldb/data/debugger-launchers/ssh-lldb.sh b/Ghidra/Debug/Debugger-agent-lldb/data/debugger-launchers/ssh-lldb.sh
index be4d8e64f8..48a1b033fd 100755
--- a/Ghidra/Debug/Debugger-agent-lldb/data/debugger-launchers/ssh-lldb.sh
+++ b/Ghidra/Debug/Debugger-agent-lldb/data/debugger-launchers/ssh-lldb.sh
@@ -56,7 +56,7 @@ version=$(get-ghidra-version)
 
 function do-installation() {
 	local -a pipargs
-	compute-lldb-pipinstall-args "'-f'" "os.environ['HOME']" "'ghidralldb==$version'"
+	compute-lldb-pipinstall-args "'-f'" "os.environ['HOME']" "'ghidralldb>=$version'"
 	local -a sshargs
 	compute-ssh-args false "${pipargs[@]}"
 
@@ -89,7 +89,7 @@ are copied and installed.
 
 NOTE: Automatic resolution may cause this session to terminate. When it has
 finished, try launching again.
-" "Would you like to install 'ghidralldb==$version'?"; then
+" "Would you like to install 'ghidralldb>=$version'?"; then
 
 	echo "Copying Wheels to $OPT_HOST"
 	mitigate-scp-pymodules "Debug/Debugger-rmi-trace" "Debug/Debugger-agent-lldb"
diff --git a/Ghidra/Debug/Debugger-rmi-trace/data/support/setuputils.ps1 b/Ghidra/Debug/Debugger-rmi-trace/data/support/setuputils.ps1
index 6046a06905..b4e050f88d 100644
--- a/Ghidra/Debug/Debugger-rmi-trace/data/support/setuputils.ps1
+++ b/Ghidra/Debug/Debugger-rmi-trace/data/support/setuputils.ps1
@@ -12,7 +12,7 @@ function Find-App-Properties {
 
 function Get-Ghidra-Version {
 	$props = Find-App-Properties
-	$m = Get-Content $props | Select-String -Pattern "application\.version=(.*)"
+	$m = Get-Content $props | Select-String -Pattern "application\.version=([0-9]*\.[0-9]*)\.?.*"
 	return $m.Matches.Groups[1].Value
 }
 
diff --git a/Ghidra/Debug/Debugger-rmi-trace/data/support/setuputils.sh b/Ghidra/Debug/Debugger-rmi-trace/data/support/setuputils.sh
index b1e9610e51..747b0d453e 100644
--- a/Ghidra/Debug/Debugger-rmi-trace/data/support/setuputils.sh
+++ b/Ghidra/Debug/Debugger-rmi-trace/data/support/setuputils.sh
@@ -29,7 +29,7 @@ find-app-properties() {
 }
 
 get-ghidra-version() {
-	local app_ver_re='application\.version=(.*)'
+	local app_ver_re='application\.version=([0-9]*\.[0-9]*)\.?.*'
 	local props=$(find-app-properties)
 	local version=$(cat "$props" | while read line; do
 		if [[ $line =~ $app_ver_re ]]; then
diff --git a/Ghidra/Features/Base/src/main/java/ghidra/program/util/SymbolicPropogator.java b/Ghidra/Features/Base/src/main/java/ghidra/program/util/SymbolicPropogator.java
index 55479b7093..211a29d763 100644
--- a/Ghidra/Features/Base/src/main/java/ghidra/program/util/SymbolicPropogator.java
+++ b/Ghidra/Features/Base/src/main/java/ghidra/program/util/SymbolicPropogator.java
@@ -1968,11 +1968,6 @@ public class SymbolicPropogator {
 			return;
 		}
 
-		// don't check for params on external calls
-		if (callTarget != null && callTarget.isExternalAddress()) {
-			return;
-		}
-
 		// find the calling conventions
 		// look up any register parameters
 		//     get the value of each, as soon as find no value, stop
diff --git a/Ghidra/Features/Base/src/main/java/ghidra/program/util/VarnodeContext.java b/Ghidra/Features/Base/src/main/java/ghidra/program/util/VarnodeContext.java
index 561dec807a..549ac28a5b 100644
--- a/Ghidra/Features/Base/src/main/java/ghidra/program/util/VarnodeContext.java
+++ b/Ghidra/Features/Base/src/main/java/ghidra/program/util/VarnodeContext.java
@@ -521,8 +521,7 @@ public class VarnodeContext implements ProcessorContext {
 			Reference[] refsFrom = program.getReferenceManager().getReferencesFrom(addr);
 			if (refsFrom.length > 0 && refsFrom[0].isExternalReference()) {
 				Address external = refsFrom[0].getToAddress();
-				return createVarnode(external.getOffset(), external.getAddressSpace().getSpaceID(),
-					0);
+				return createVarnode(external.getOffset(), external.getAddressSpace().getSpaceID(), 0);
 			}
 
 			// If the memory is Writeable, then maybe don't trust it
@@ -768,7 +767,7 @@ public class VarnodeContext implements ProcessorContext {
 			return;
 		}
 
-		Varnode split[] = splitToBytes(value);
+		Varnode split[] = splitToBytes(value, out.getSize());
 		// copy in partial values after
 		for (int nodeOff = 0; nodeOff < len; nodeOff++) {
 			if (split == null) {
@@ -856,22 +855,21 @@ public class VarnodeContext implements ProcessorContext {
 		return new Varnode(addr, size);
 	}
 
-	public Varnode[] splitToBytes(Varnode v) {
+	public Varnode[] splitToBytes(Varnode v, int len) {
 		if (!isConstant(v)) {
 			return null;
 		}
-
-		int size = v.getSize();
-		Varnode split[] = new Varnode[size];
+		
+		Varnode split[] = new Varnode[len];
 		long value = v.getOffset();
 		if (isBE) {
-			for (int i = 0; i < v.getSize(); i++) {
+			for (int i = 0; i < len; i++) {
 				long subv = value >> (i * 8);
-				split[size - i - 1] = createConstantVarnode(subv, 1);
+				split[len - i - 1] = createConstantVarnode(subv, 1);
 			}
 		}
 		else {
-			for (int i = 0; i < v.getSize(); i++) {
+			for (int i = 0; i < len; i++) {
 				long subv = value >> (i * 8);
 				split[i] = createConstantVarnode(subv, 1);
 			}
@@ -1405,6 +1403,7 @@ public class VarnodeContext implements ProcessorContext {
 		if (!in.isRegister() || !out.isRegister()) {
 			// normal case easy get value, put value
 			putValue(out, val1, mustClearAll);
+			return;
 		}
 		if (mustClearAll) {
 			clearVals.add(out);
@@ -1665,7 +1664,9 @@ public class VarnodeContext implements ProcessorContext {
 			if (isBadAddress(val1)) {
 				return val1;
 			}
-			return createVarnode(0, addrFactory.getConstantSpace().getSpaceID(), val1.getSize());
+			int size = val1.getSize();
+			size = size > 0 ? size : 1; // turning into constant, make sure has a size
+			return createVarnode(0, addrFactory.getConstantSpace().getSpaceID(), size);
 		}
 		int spaceID = val1.getSpace();
 		long valbase = 0;
diff --git a/Ghidra/Processors/Z80/data/languages/z80.slaspec b/Ghidra/Processors/Z80/data/languages/z80.slaspec
index 12a590ba7f..1ac5c4387d 100644
--- a/Ghidra/Processors/Z80/data/languages/z80.slaspec
+++ b/Ghidra/Processors/Z80/data/languages/z80.slaspec
@@ -847,7 +847,7 @@ cc2: "C"   is bits3_3=0x7   { c:1 = $(C_flag); export c; }
 	subtractionFlags(a_temp, r_temp);
 	a_temp = a_temp - r_temp;
 	setResultFlags(a_temp);
-	a_temp = A;
+	A = a_temp;
 }
 
 :SUB imm8           is op0_8=0xd6; imm8 {