diff --git a/CHANGES b/CHANGES
index 59ca1abded..20485f0114 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,31 @@
+
+4.2.0-dev.94 | 2021-08-31 15:58:00 +0200
+
+  * GH-1709: Fix signed integer overflow in PIA on big sequence number
+    holes. (Johanna Amann, Corelight)
+
+4.2.0-dev.92 | 2021-08-31 15:55:29 +0200
+
+  * Allow `-B` flag in non-debug builds, but ignore it (unless it's
+    `help`). (Benjamin Bannier, Corelight)
+
+4.2.0-dev.89 | 2021-08-26 14:35:28 -0700
+
+  * CI support refresh. (Christian Kreibich, Corelight)
+    - Add Debian 11 (Bullseye)
+    - Drop Ubuntu 16.04
+
+  * Remove unneccessary >= 0 check in a UTF32 comparison Resolves
+    Coverity CID 1461523. (Christian Kreibich, Corelight)
+
+  * Trivial signedness warning fix. (Christian Kreibich, Corelight)
+
+  * Fix addr/string type confusion in Broker::peers(). (Christian
+    Kreibich, Corelight)
+
+  * Simplify the supervisor's listen() on default address/port.
+    (Christian Kreibich, Corelight)
+
 4.2.0-dev.78 | 2021-08-19 09:39:23 -0700
 
   * Return fully-escaped string if utf8 conversion fails (Tim Wojtulewicz, Corelight)
diff --git a/VERSION b/VERSION
index e520c2589d..411ade6790 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.2.0-dev.78
+4.2.0-dev.94
diff --git a/src/Options.cc b/src/Options.cc
index d28c67b06e..347df2cef6 100644
--- a/src/Options.cc
+++ b/src/Options.cc
@@ -12,6 +12,8 @@
 #endif
 
 #include <algorithm>
+#include <cstdio>
+#include <cstdlib>
 #include <sstream>
 
 #include "zeek/bsd-getopt-long.h"
@@ -328,10 +330,7 @@ Options parse_cmdline(int argc, char** argv)
 		{"watchdog",		no_argument,		nullptr,	'W'},
 		{"print-id",		required_argument,	nullptr,	'I'},
 		{"status-file",		required_argument,	nullptr,	'U'},
-
-#ifdef	DEBUG
 		{"debug",		required_argument,	nullptr,	'B'},
-#endif
 
 #ifdef	USE_PERFTOOLS_DEBUG
 		{"mem-leaks",	no_argument,		nullptr,	'm'},
@@ -437,11 +436,17 @@ Options parse_cmdline(int argc, char** argv)
 			rval.pcap_output_file = optarg;
 			break;
 
-#ifdef DEBUG
 		case 'B':
+#ifdef DEBUG
 			rval.debug_log_streams = optarg;
-			break;
+#else
+			if ( util::streq(optarg, "help") )
+				{
+					fprintf(stderr,"debug streams unavailable\n");
+					exit(1);
+				}
 #endif
+			break;
 
 		case 'C':
 			rval.ignore_checksums = true;
diff --git a/src/analyzer/protocol/pia/PIA.cc b/src/analyzer/protocol/pia/PIA.cc
index c5343902f0..8cd4df6a1d 100644
--- a/src/analyzer/protocol/pia/PIA.cc
+++ b/src/analyzer/protocol/pia/PIA.cc
@@ -64,7 +64,8 @@ void PIA::AddToBuffer(Buffer* buffer, uint64_t seq, int len, const u_char* data,
 	else
 		buffer->head = buffer->tail = b;
 
-	buffer->size += len;
+	if ( data )
+		buffer->size += len;
 	}
 
 void PIA::AddToBuffer(Buffer* buffer, int len, const u_char* data, bool is_orig,