diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8cf502b42..4f8cf8105 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -121,6 +121,13 @@ if(${MAXSCALE_VERSION} MATCHES "-stable")
   endif()
 endif()
 
+# Copy cmake_flags, JENKINS_BUILD_TAG, source and value evironmental variables
+# into cmake variables. These are used by the build system to store information
+# about the packages being built.
+set(MAXSCALE_SOURCE "$ENV{source} $ENV{value}")
+set(MAXSCALE_CMAKE_FLAGS "$ENV{cmake_flags}")
+set(MAXSCALE_JENKINS_BUILD_TAG "$ENV{BUILD_TAG}")
+
 file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/server/include)
 configure_file(${CMAKE_SOURCE_DIR}/include/maxscale/version.h.in ${CMAKE_BINARY_DIR}/include/maxscale/version.h @ONLY)
 configure_file(${CMAKE_SOURCE_DIR}/include/maxscale/paths.h.in ${CMAKE_BINARY_DIR}/include/maxscale/paths.h @ONLY)
diff --git a/include/maxscale/version.h.in b/include/maxscale/version.h.in
index c15fa862d..3e17ebe04 100644
--- a/include/maxscale/version.h.in
+++ b/include/maxscale/version.h.in
@@ -1,2 +1,5 @@
 #define MAXSCALE_VERSION "@MAXSCALE_VERSION@"
 #define MAXSCALE_COMMIT "@MAXSCALE_COMMIT@"
+#define MAXSCALE_SOURCE "@MAXSCALE_SOURCE@"
+#define MAXSCALE_CMAKE_FLAGS "@MAXSCALE_CMAKE_FLAGS@"
+#define MAXSCALE_JENKINS_BUILD_TAG "@MAXSCALE_JENKINS_BUILD_TAG@"
diff --git a/server/core/gateway.cc b/server/core/gateway.cc
index cc7d68e2a..7366b2e62 100644
--- a/server/core/gateway.cc
+++ b/server/core/gateway.cc
@@ -1375,6 +1375,18 @@ int main(int argc, char **argv)
         case 'V':
             rc = EXIT_SUCCESS;
             printf("MaxScale %s - %s\n", MAXSCALE_VERSION, maxscale_commit);
+            if (strcmp(MAXSCALE_SOURCE, " ") != 0)
+            {
+                printf("Source:        %s\n", MAXSCALE_SOURCE);
+            }
+            if (strcmp(MAXSCALE_CMAKE_FLAGS, "") != 0)
+            {
+                printf("CMake flags:   %s\n", MAXSCALE_CMAKE_FLAGS);
+            }
+            if (strcmp(MAXSCALE_JENKINS_BUILD_TAG, "") != 0)
+            {
+                printf("Jenkins build: %s\n", MAXSCALE_JENKINS_BUILD_TAG);
+            }
             goto return_main;
 
         case 'l':
diff --git a/server/modules/routing/avrorouter/avro_file.c b/server/modules/routing/avrorouter/avro_file.c
index 833be696f..5f9745435 100644
--- a/server/modules/routing/avrorouter/avro_file.c
+++ b/server/modules/routing/avrorouter/avro_file.c
@@ -123,7 +123,7 @@ AVRO_TABLE* avro_table_alloc(const char* filepath, const char* json_schema, size
 
         if (access(filepath, F_OK) == 0)
         {
-            rc = avro_file_writer_open(filepath, &table->avro_file);
+            rc = avro_file_writer_open_bs(filepath, &table->avro_file, block_size);
         }
         else
         {
diff --git a/server/modules/routing/readwritesplit/rwsplit_route_stmt.c b/server/modules/routing/readwritesplit/rwsplit_route_stmt.c
index 183709d4f..27fe33470 100644
--- a/server/modules/routing/readwritesplit/rwsplit_route_stmt.c
+++ b/server/modules/routing/readwritesplit/rwsplit_route_stmt.c
@@ -594,7 +594,8 @@ bool rwsplit_get_dcb(DCB **p_dcb, ROUTER_CLIENT_SES *rses, backend_type_t btype,
              * backend and update assign it to new candidate if
              * necessary.
              */
-            else if (SERVER_IS_SLAVE(&server))
+            else if (SERVER_IS_SLAVE(&server) ||
+                     (rses->rses_config.master_accept_reads && SERVER_IS_MASTER(&server)))
             {
                 if (max_rlag == MAX_RLAG_UNDEFINED ||
                     (b->server->rlag != MAX_RLAG_NOT_AVAILABLE &&