diff --git a/client/client_state.cpp b/client/client_state.cpp
index ddab0330ee..73fe64158c 100644
--- a/client/client_state.cpp
+++ b/client/client_state.cpp
@@ -372,6 +372,7 @@ int CLIENT_STATE::init() {
             coprocs.add(coprocs.ati);
         }
     }
+    host_info._coprocs = coprocs;
 
     // check for app_info.xml file in project dirs.
     // If find, read app info from there, set project.anonymous_platform
diff --git a/client/cs_statefile.cpp b/client/cs_statefile.cpp
index 7f3a29b196..25b2c6aa43 100644
--- a/client/cs_statefile.cpp
+++ b/client/cs_statefile.cpp
@@ -899,6 +899,16 @@ int CLIENT_STATE::write_state_gui(MIOFILE& f) {
     //
     retval = host_info.write(f, true, false);
     if (retval) return retval;
+
+    // the following are for compatibility with old managers
+    //
+    if (coprocs.have_nvidia()) {
+        f.printf("<have_cuda/>\n");
+    }
+    if (coprocs.have_ati()) {
+        f.printf("<have_ati/>\n");
+    }
+
     retval = time_stats.write(f, false);
     if (retval) return retval;
     retval = net_stats.write(f);
diff --git a/lib/gui_rpc_client.h b/lib/gui_rpc_client.h
index ac271396ee..6b9e4b9a0a 100644
--- a/lib/gui_rpc_client.h
+++ b/lib/gui_rpc_client.h
@@ -378,8 +378,10 @@ public:
         // platforms supported by client
     GLOBAL_PREFS global_prefs;  // working prefs, i.e. network + override
     VERSION_INFO version_info;  // populated only if talking to pre-5.6 CC
-    bool executing_as_daemon;   // true if Client is running as a service / daemon
+    bool executing_as_daemon;   // true if client is running as a service / daemon
     HOST_INFO host_info;
+    bool have_cuda;             // redundant; include for compat
+    bool have_ati;              // redundant; include for compat
 
     CC_STATE();
     ~CC_STATE();
diff --git a/lib/gui_rpc_client_ops.cpp b/lib/gui_rpc_client_ops.cpp
index bdcc1934b0..e314096bc0 100644
--- a/lib/gui_rpc_client_ops.cpp
+++ b/lib/gui_rpc_client_ops.cpp
@@ -108,10 +108,14 @@ int PROJECT_LIST_ENTRY::parse(XML_PARSER& xp) {
     while (!xp.get(tag, sizeof(tag), is_tag)) {
         if (!strcmp(tag, "/project")) return 0;
         if (xp.parse_string(tag, "name", name)) continue;
-        if (xp.parse_string(tag, "url", url)) continue;
+        if (xp.parse_string(tag, "url", url)) {
+            continue;
+        }
         if (xp.parse_string(tag, "general_area", general_area)) continue;
         if (xp.parse_string(tag, "specific_area", specific_area)) continue;
-        if (xp.parse_string(tag, "description", description)) continue;
+        if (xp.parse_string(tag, "description", description)) {
+            continue;
+        }
         if (xp.parse_string(tag, "home", home)) continue;
         if (xp.parse_string(tag, "image", image)) continue;
         if (!strcmp(tag, "platforms")) {
@@ -852,6 +856,8 @@ int CC_STATE::parse(MIOFILE& fin) {
             host_info.parse(fin);
             continue;
         }
+        if (parse_bool(buf, "have_cuda", have_cuda)) continue;
+        if (parse_bool(buf, "have_ati", have_ati)) continue;
     }
     return 0;
 }