diff --git a/infer/lib/python/inferlib/issues.py b/infer/lib/python/inferlib/issues.py
index 0bbb95602..cf7277839 100644
--- a/infer/lib/python/inferlib/issues.py
+++ b/infer/lib/python/inferlib/issues.py
@@ -95,6 +95,11 @@ CSV_INDEX_ADVICE = 15
 JSON_INDEX_DOTTY = 'dotty'
 JSON_INDEX_FILENAME = 'file'
 JSON_INDEX_HASH = 'hash'
+JSON_INDEX_INFER_SOURCE_LOC = 'infer_source_loc'
+JSON_INDEX_ISL_FILE = 'file'
+JSON_INDEX_ISL_LNUM = 'lnum'
+JSON_INDEX_ISL_CNUM = 'cnum'
+JSON_INDEX_ISL_ENUM = 'enum'
 JSON_INDEX_KIND = 'kind'
 JSON_INDEX_LINE = 'line'
 JSON_INDEX_PROCEDURE = 'procedure'
@@ -111,11 +116,7 @@ JSON_INDEX_TRACE_DESCRIPTION = 'description'
 JSON_INDEX_TRACE_NODE_TAGS = 'node_tags'
 JSON_INDEX_TRACE_NODE_TAGS_TAG = 'tags'
 JSON_INDEX_TRACE_NODE_TAGS_VALUE = 'value'
-JSON_INDEX_INFER_SOURCE_LOC = 'infer_source_loc'
-JSON_INDEX_ISL_FILE = 'file'
-JSON_INDEX_ISL_LNUM = 'lnum'
-JSON_INDEX_ISL_CNUM = 'cnum'
-JSON_INDEX_ISL_ENUM = 'enum'
+JSON_INDEX_VISIBILITY = 'visibility'
 
 
 QUALIFIER_TAGS = 'qualifier_tags'
diff --git a/infer/src/backend/InferPrint.re b/infer/src/backend/InferPrint.re
index 2aa69aaaf..342697f7a 100644
--- a/infer/src/backend/InferPrint.re
+++ b/infer/src/backend/InferPrint.re
@@ -344,7 +344,7 @@ let module IssuesCsv = {
   /** Write bug report in csv format */
   let pp_issues_of_error_log fmt error_filter _ proc_loc_opt procname err_log => {
     let pp x => F.fprintf fmt x;
-    let pp_row (_, node_key) loc _ ekind in_footprint error_name error_desc severity ltr _ eclass => {
+    let pp_row (_, node_key) loc _ ekind in_footprint error_name error_desc severity ltr _ eclass _ => {
       let source_file =
         switch proc_loc_opt {
         | Some proc_loc => proc_loc.Location.file
@@ -425,7 +425,8 @@ let module IssuesJson = {
         severity
         ltr
         _
-        eclass => {
+        eclass
+        visibility => {
       let source_file =
         switch proc_loc_opt {
         | Some proc_loc => proc_loc.Location.file
@@ -443,12 +444,14 @@ let module IssuesJson = {
             Some Jsonbug_j.{file, lnum, cnum, enum}
           | _ => None
           };
+        let visibility = Exceptions.string_of_exception_visibility visibility;
         let bug = {
           Jsonbug_j.bug_class: Exceptions.err_class_string eclass,
           kind,
           bug_type,
           qualifier: error_desc_to_plain_string error_desc,
           severity,
+          visibility,
           line: loc.Location.line,
           column: loc.Location.col,
           procedure: Procname.to_string procname,
@@ -476,7 +479,7 @@ let module IssuesJson = {
 let module IssuesTests = {
   /** Write bug report in a format suitable for tests on analysis results. */
   let pp_issues_of_error_log fmt error_filter _ proc_loc_opt proc_name err_log => {
-    let pp_row _ loc _ ekind in_footprint error_name error_desc _ _ _ _ => {
+    let pp_row _ loc _ ekind in_footprint error_name error_desc _ _ _ _ _ => {
       let (source_file, line_offset) =
         switch proc_loc_opt {
         | Some proc_loc =>
@@ -521,7 +524,7 @@ let module IssuesTests = {
 let module IssuesTxt = {
   /** Write bug report in text format */
   let pp_issues_of_error_log fmt error_filter _ proc_loc_opt _ err_log => {
-    let pp_row (node_id, node_key) loc _ ekind in_footprint error_name error_desc _ _ _ _ => {
+    let pp_row (node_id, node_key) loc _ ekind in_footprint error_name error_desc _ _ _ _ _ => {
       let source_file =
         switch proc_loc_opt {
         | Some proc_loc => proc_loc.Location.file
@@ -586,7 +589,8 @@ let module IssuesXml = {
         severity
         ltr
         pre_opt
-        eclass => {
+        eclass
+        _ => {
       let source_file =
         switch proc_loc_opt {
         | Some proc_loc => proc_loc.Location.file
@@ -780,7 +784,7 @@ let module Stats = {
   };
   let process_err_log error_filter linereader err_log stats => {
     let found_errors = ref false;
-    let process_row _ loc _ ekind in_footprint error_name error_desc _ ltr _ _ => {
+    let process_row _ loc _ ekind in_footprint error_name error_desc _ ltr _ _ _ => {
       let type_str = Localise.to_string error_name;
       if (in_footprint && error_filter error_desc error_name) {
         switch ekind {
diff --git a/infer/src/backend/errlog.ml b/infer/src/backend/errlog.ml
index b8d8a459f..9e29e16e3 100644
--- a/infer/src/backend/errlog.ml
+++ b/infer/src/backend/errlog.ml
@@ -26,11 +26,11 @@ type loc_trace = loc_trace_elem list
 (** Data associated to a specific error *)
 type err_data =
   (int * int) * int * Location.t * L.ml_loc option * loc_trace *
-  Prop.normal Prop.t option * Exceptions.err_class
+  Prop.normal Prop.t option * Exceptions.err_class * Exceptions.exception_visibility
 
 let err_data_compare
-    (_, _, loc1, _, _, _, _)
-    (_, _, loc2, _, _, _, _) =
+    (_, _, loc1, _, _, _, _, _)
+    (_, _, loc2, _, _, _, _, _) =
   Location.compare loc1 loc2
 
 module ErrDataSet = (* set err_data with no repeated loc *)
@@ -74,16 +74,17 @@ type iter_fun =
   loc_trace ->
   Prop.normal Prop.t option ->
   Exceptions.err_class ->
+  Exceptions.exception_visibility ->
   unit
 
 (** Apply f to nodes and error names *)
 let iter (f: iter_fun) (err_log: t) =
   ErrLogHash.iter (fun (ekind, in_footprint, err_name, desc, severity) set ->
       ErrDataSet.iter
-        (fun (node_id_key, _, loc, ml_loc_opt, ltr, pre_opt, eclass) ->
+        (fun (node_id_key, _, loc, ml_loc_opt, ltr, pre_opt, eclass, visibility) ->
            f
              node_id_key loc ml_loc_opt ekind in_footprint err_name
-             desc severity ltr pre_opt eclass)
+             desc severity ltr pre_opt eclass visibility)
         set)
     err_log
 
@@ -112,7 +113,7 @@ let pp_warnings fmt (errlog : t) =
 let pp_html source path_to_root fmt (errlog: t) =
   let pp_eds fmt eds =
     let pp_nodeid_session_loc
-        fmt ((nodeid, _), session, loc, _, _, _, _) =
+        fmt ((nodeid, _), session, loc, _, _, _, _, _) =
       Io_infer.Html.pp_session_link source path_to_root fmt (nodeid, session, loc.Location.line) in
     ErrDataSet.iter (pp_nodeid_session_loc fmt) eds in
   let f do_fp ek (ekind, infp, err_name, desc, _) eds =
@@ -189,7 +190,8 @@ let log_issue _ekind err_log loc node_id_key session ltr pre_opt exn =
     let added =
       add_issue err_log
         (ekind, !Config.footprint, err_name, desc, severity_to_str severity)
-        (ErrDataSet.singleton (node_id_key, session, loc, ml_loc_opt, ltr, pre_opt, eclass)) in
+        (ErrDataSet.singleton
+           (node_id_key, session, loc, ml_loc_opt, ltr, pre_opt, eclass, visibility)) in
     let should_print_now =
       match exn with
       | Exceptions.Internal_error _ -> true
@@ -268,7 +270,7 @@ module Err_table = struct
       ErrDataSet.iter (fun loc -> add_err loc err_name) eds in
     ErrLogHash.iter f err_table;
 
-    let pp ekind (nodeidkey, _, loc, ml_loc_opt, _, _, _) fmt err_names =
+    let pp ekind (nodeidkey, _, loc, ml_loc_opt, _, _, _, _) fmt err_names =
       IList.iter (fun (err_name, desc) ->
           Exceptions.pp_err nodeidkey loc ekind err_name desc ml_loc_opt fmt ()) err_names in
     F.fprintf fmt "@.Detailed errors during footprint phase:@.";
diff --git a/infer/src/backend/errlog.mli b/infer/src/backend/errlog.mli
index 92def2318..41d657b4d 100644
--- a/infer/src/backend/errlog.mli
+++ b/infer/src/backend/errlog.mli
@@ -39,6 +39,7 @@ type iter_fun =
   loc_trace ->
   Prop.normal Prop.t option ->
   Exceptions.err_class ->
+  Exceptions.exception_visibility ->
   unit
 
 (** Apply f to nodes and error names *)
diff --git a/infer/src/backend/exceptions.ml b/infer/src/backend/exceptions.ml
index 120d54060..3b13dc290 100644
--- a/infer/src/backend/exceptions.ml
+++ b/infer/src/backend/exceptions.ml
@@ -19,6 +19,12 @@ type exception_visibility =
   | Exn_developer (** only add to error log in developer mode *)
   | Exn_system (** never add to error log *)
 
+let string_of_exception_visibility vis =
+  match vis with
+  | Exn_user -> "user"
+  | Exn_developer -> "developer"
+  | Exn_system  -> "system"
+
 (** severity of bugs *)
 type exception_severity =
   | High (* high severity bug *)
@@ -237,7 +243,7 @@ let recognize_exception exn =
          desc, Some ml_loc, Exn_developer, Low, None, Nocat)
     | Precondition_not_met (desc, ml_loc) ->
         (Localise.precondition_not_met,
-         desc, Some ml_loc, Exn_user, Medium, Some Kwarning, Nocat) (* always a warning *)
+         desc, Some ml_loc, Exn_developer, Medium, Some Kwarning, Nocat) (* always a warning *)
     | Retain_cycle (_, _, desc, ml_loc) ->
         (Localise.retain_cycle,
          desc, Some ml_loc, Exn_user, High, None, Prover)
diff --git a/infer/src/backend/exceptions.mli b/infer/src/backend/exceptions.mli
index 6f0231b03..cacbab161 100644
--- a/infer/src/backend/exceptions.mli
+++ b/infer/src/backend/exceptions.mli
@@ -18,6 +18,8 @@ type exception_visibility =
   | Exn_developer (** only add to error log in developer mode *)
   | Exn_system (** never add to error log *)
 
+val string_of_exception_visibility : exception_visibility -> string
+
 (** severity of bugs *)
 type exception_severity =
   | High (** high severity bug *)
diff --git a/infer/src/backend/jsonbug.atd b/infer/src/backend/jsonbug.atd
index 9e727de6c..2e538ef46 100644
--- a/infer/src/backend/jsonbug.atd
+++ b/infer/src/backend/jsonbug.atd
@@ -24,6 +24,7 @@ type jsonbug = {
   bug_type : string;
   qualifier : string;
   severity : string;
+  visibility : string;
   line: int;
   column: int;
   procedure : string;
diff --git a/infer/src/backend/printer.ml b/infer/src/backend/printer.ml
index c47845cc4..3d94871db 100644
--- a/infer/src/backend/printer.ml
+++ b/infer/src/backend/printer.ml
@@ -435,7 +435,7 @@ let write_proc_html source whole_seconds pdesc =
 (** Creare a hash table mapping line numbers to the set of errors occurring on that line *)
 let create_table_err_per_line err_log =
   let err_per_line = Hashtbl.create 17 in
-  let add_err _ loc _ _ _ err_name desc _ _ _ _ =
+  let add_err _ loc _ _ _ err_name desc _ _ _ _ _ =
     let err_str =
       Localise.to_string err_name ^
       " " ^