diff --git a/abaplint.json b/abaplint.json
index 4c8ae1666..81b28fff8 100644
--- a/abaplint.json
+++ b/abaplint.json
@@ -365,37 +365,8 @@
       "shlp": "^Z",
       "xslt": "^Z"
     },
-    "obsolete_statement": {
-      "refresh": true,
-      "compute": true,
-      "add": true,
-      "clientSpecified": true,
-      "occurences": true,
-      "selectWithoutInto": true,
-      "ranges": true,
-      "callTransformation": true,
-      "regex": true,
-      "sortByFS": true,
-      "subtract": true,
-      "formDefinition": true,
-      "formImplementation": true,
-      "freeMemory": true,
-      "exitFromSQL": true,
-      "multiply": true,
-      "communication": true,
-      "typePools": true,
-      "load": true,
-      "move": true,
-      "divide": true,
-      "fieldSymbolStructure": true,
-      "requested": true,
-      "pack": true,
-      "setExtended": true,
-      "withHeaderLine": true,
-      "occurs": true,
-      "parameter": true
-    },
-    "parser_error": {},
+    "obsolete_statement": true,
+    "parser_error": true,
     "preferred_compare_operator": {
       "badOperators": [
         "EQ",
diff --git a/package.json b/package.json
index 975da84ff..f631ad031 100644
--- a/package.json
+++ b/package.json
@@ -25,12 +25,12 @@
     ]
   },
   "devDependencies": {
-    "@abaplint/cli": "^2.92.0",
-    "@abaplint/database-sqlite": "^2.1.40",
-    "@abaplint/runtime": "^2.1.40",
-    "@abaplint/transpiler-cli": "^2.1.40",
+    "@abaplint/cli": "^2.93.9",
+    "@abaplint/database-sqlite": "^2.1.45",
+    "@abaplint/runtime": "^2.1.49",
+    "@abaplint/transpiler-cli": "^2.1.49",
     "abapmerge": "^0.14.7",
     "c8": "^7.12.0",
-    "eslint": "^8.22.0"
+    "eslint": "^8.23.0"
   }
 }
diff --git a/src/json/zcl_abapgit_ajson.clas.abap b/src/json/zcl_abapgit_ajson.clas.abap
index 1cd20f1be..c5727d04b 100644
--- a/src/json/zcl_abapgit_ajson.clas.abap
+++ b/src/json/zcl_abapgit_ajson.clas.abap
@@ -77,6 +77,7 @@ CLASS zcl_abapgit_ajson DEFINITION
     DATA mi_custom_mapping TYPE REF TO zif_abapgit_ajson_mapping.
     DATA mv_keep_item_order TYPE abap_bool.
     DATA mv_format_datetime TYPE abap_bool.
+    " TODO restructure into zif_ajson=>ty_opts
 
     METHODS get_item
       IMPORTING
@@ -106,6 +107,11 @@ ENDCLASS.
 
 CLASS zcl_abapgit_ajson IMPLEMENTATION.
 
+  METHOD zif_abapgit_ajson~opts.
+    rs_opts-read_only       = mv_read_only.
+    rs_opts-format_datetime = mv_format_datetime.
+    rs_opts-keep_item_order = mv_keep_item_order.
+  ENDMETHOD.
 
   METHOD constructor.
     format_datetime( abap_true ).
diff --git a/src/json/zcl_abapgit_ajson.clas.locals_imp.abap b/src/json/zcl_abapgit_ajson.clas.locals_imp.abap
index 3c54e1c47..b6470c3ea 100644
--- a/src/json/zcl_abapgit_ajson.clas.locals_imp.abap
+++ b/src/json/zcl_abapgit_ajson.clas.locals_imp.abap
@@ -1034,11 +1034,7 @@ CLASS lcl_json_to_abap IMPLEMENTATION.
         zcx_abapgit_ajson_error=>raise( 'Unexpected error calculating timestamp' ).
     ENDTRY.
 
-    cl_abap_tstmp=>move(
-      EXPORTING
-        tstmp_src = lv_timestamp
-      IMPORTING
-        tstmp_tgt = rv_result ).
+    rv_result = lv_timestamp.
 
   ENDMETHOD.
 
@@ -1335,20 +1331,13 @@ CLASS lcl_abap_to_json IMPLEMENTATION.
     DATA lv_date TYPE d.
     DATA lv_time TYPE t.
 
-    IF iv_ts IS INITIAL.
-      " The zero value is January 1, year 1, 00:00:00.000000000 UTC.
-      lv_date = '00010101'.
-    ELSE.
-
-      CONVERT TIME STAMP iv_ts TIME ZONE lc_utc
-        INTO DATE lv_date TIME lv_time.
-
-    ENDIF.
+    CONVERT TIME STAMP iv_ts TIME ZONE lc_utc
+      INTO DATE lv_date TIME lv_time.
 
     rv_str =
       lv_date+0(4) && '-' && lv_date+4(2) && '-' && lv_date+6(2) &&
       'T' &&
-      lv_time+0(2) && '-' && lv_time+2(2) && '-' && lv_time+4(2) &&
+      lv_time+0(2) && ':' && lv_time+2(2) && ':' && lv_time+4(2) &&
       'Z'.
 
   ENDMETHOD.
diff --git a/src/json/zcl_abapgit_ajson.clas.testclasses.abap b/src/json/zcl_abapgit_ajson.clas.testclasses.abap
index 2e5afd16d..4154acb3f 100644
--- a/src/json/zcl_abapgit_ajson.clas.testclasses.abap
+++ b/src/json/zcl_abapgit_ajson.clas.testclasses.abap
@@ -1343,6 +1343,9 @@ CLASS ltcl_json_to_abap DEFINITION
     METHODS to_abap_struc
       FOR TESTING
       RAISING zcx_abapgit_ajson_error.
+    METHODS to_abap_timestamp_initial
+      FOR TESTING
+      RAISING zcx_abapgit_ajson_error.
     METHODS to_abap_value
       FOR TESTING
       RAISING zcx_abapgit_ajson_error.
@@ -1423,6 +1426,28 @@ CLASS ltcl_json_to_abap IMPLEMENTATION.
 
   ENDMETHOD.
 
+  METHOD to_abap_timestamp_initial.
+
+    DATA lo_cut TYPE REF TO lcl_json_to_abap.
+    DATA lv_mock TYPE timestamp.
+    DATA lo_nodes TYPE REF TO lcl_nodes_helper.
+
+    CREATE OBJECT lo_nodes.
+    lo_nodes->add( '       |           |str    |0000-00-00T00:00:00Z| ' ).
+
+    CREATE OBJECT lo_cut.
+    lo_cut->to_abap(
+      EXPORTING
+        it_nodes    = lo_nodes->sorted( )
+      CHANGING
+        c_container = lv_mock ).
+
+    cl_abap_unit_assert=>assert_equals(
+      act = lv_mock
+      exp = 0 ).
+
+  ENDMETHOD.
+
   METHOD to_abap_value.
 
     DATA lo_cut TYPE REF TO lcl_json_to_abap.
@@ -2201,7 +2226,7 @@ CLASS ltcl_writer_test IMPLEMENTATION.
     lo_nodes->add( '/     |d_empty |str    |           ||0' ).
     lo_nodes->add( '/     |t       |str    |20:01:03   ||0' ).
     lo_nodes->add( '/     |t_empty |str    |           ||0' ).
-    lo_nodes->add( '/     |ts      |str    |2022-04-01T20-01-03Z ||0' ).
+    lo_nodes->add( '/     |ts      |str    |2022-04-01T20:01:03Z ||0' ).
     lo_nodes->add( '/     |p       |num    |123.45     ||0' ).
 
     li_writer->set(
@@ -2752,7 +2777,7 @@ CLASS ltcl_writer_test IMPLEMENTATION.
     li_writer = lo_cut.
     CREATE OBJECT lo_nodes_exp.
     lo_nodes_exp->add( '        |      |object |                     ||1' ).
-    lo_nodes_exp->add( '/       |a     |str    |2021-05-05T12-00-00Z ||0' ).
+    lo_nodes_exp->add( '/       |a     |str    |2021-05-05T12:00:00Z ||0' ).
 
     lv_timestamp = '20210505120000'.
     li_writer->set_timestamp(
@@ -3393,6 +3418,8 @@ CLASS ltcl_abap_to_json DEFINITION
     METHODS set_value_true FOR TESTING RAISING zcx_abapgit_ajson_error.
     METHODS set_value_false FOR TESTING RAISING zcx_abapgit_ajson_error.
     METHODS set_value_xsdboolean FOR TESTING RAISING zcx_abapgit_ajson_error.
+    METHODS set_value_timestamp FOR TESTING RAISING zcx_abapgit_ajson_error.
+    METHODS set_value_timestamp_initial FOR TESTING RAISING zcx_abapgit_ajson_error.
     METHODS set_null FOR TESTING RAISING zcx_abapgit_ajson_error.
     METHODS set_obj FOR TESTING RAISING zcx_abapgit_ajson_error.
     METHODS set_array FOR TESTING RAISING zcx_abapgit_ajson_error.
@@ -3531,6 +3558,43 @@ CLASS ltcl_abap_to_json IMPLEMENTATION.
 
   ENDMETHOD.
 
+  METHOD set_value_timestamp.
+
+    DATA lo_nodes_exp TYPE REF TO lcl_nodes_helper.
+    DATA lt_nodes TYPE zif_abapgit_ajson=>ty_nodes_tt.
+
+    DATA lv_timestamp TYPE timestamp.
+    CREATE OBJECT lo_nodes_exp.
+    lo_nodes_exp->add( '        |      |str |2022-08-31T00:00:00Z||' ).
+
+    CONVERT DATE '20220831' TIME '000000'
+      INTO TIME STAMP lv_timestamp TIME ZONE ''.
+    lt_nodes = lcl_abap_to_json=>convert( lcl_abap_to_json=>format_timestamp( lv_timestamp ) ).
+
+    cl_abap_unit_assert=>assert_equals(
+      act = lt_nodes
+      exp = lo_nodes_exp->mt_nodes ).
+
+  ENDMETHOD.
+
+  METHOD set_value_timestamp_initial.
+
+    DATA lo_nodes_exp TYPE REF TO lcl_nodes_helper.
+    DATA lt_nodes TYPE zif_abapgit_ajson=>ty_nodes_tt.
+
+    DATA lv_timestamp TYPE timestamp.
+    CREATE OBJECT lo_nodes_exp.
+    lo_nodes_exp->add( '        |      |str |0000-00-00T00:00:00Z||' ).
+
+    lv_timestamp = 0.
+    lt_nodes = lcl_abap_to_json=>convert( lcl_abap_to_json=>format_timestamp( lv_timestamp ) ).
+
+    cl_abap_unit_assert=>assert_equals(
+      act = lt_nodes
+      exp = lo_nodes_exp->mt_nodes ).
+
+  ENDMETHOD.
+
   METHOD prefix.
 
     DATA lo_nodes_exp TYPE REF TO lcl_nodes_helper.
diff --git a/src/json/zcl_abapgit_ajson_filter_lib.clas.abap b/src/json/zcl_abapgit_ajson_filter_lib.clas.abap
index 5b3f3a9a5..275768640 100644
--- a/src/json/zcl_abapgit_ajson_filter_lib.clas.abap
+++ b/src/json/zcl_abapgit_ajson_filter_lib.clas.abap
@@ -14,6 +14,7 @@ CLASS zcl_abapgit_ajson_filter_lib DEFINITION
       IMPORTING
         !it_skip_paths TYPE string_table OPTIONAL
         !iv_skip_paths TYPE string OPTIONAL
+        !iv_pattern_search TYPE abap_bool DEFAULT abap_false
       RETURNING
         VALUE(ri_filter) TYPE REF TO zif_abapgit_ajson_filter
       RAISING
@@ -50,6 +51,7 @@ CLASS zcl_abapgit_ajson_filter_lib IMPLEMENTATION.
   METHOD create_path_filter.
     CREATE OBJECT ri_filter TYPE lcl_paths_filter
       EXPORTING
+        iv_pattern_search = iv_pattern_search
         it_skip_paths = it_skip_paths
         iv_skip_paths = iv_skip_paths.
   ENDMETHOD.
diff --git a/src/json/zcl_abapgit_ajson_filter_lib.clas.locals_imp.abap b/src/json/zcl_abapgit_ajson_filter_lib.clas.locals_imp.abap
index 98239177e..20458079e 100644
--- a/src/json/zcl_abapgit_ajson_filter_lib.clas.locals_imp.abap
+++ b/src/json/zcl_abapgit_ajson_filter_lib.clas.locals_imp.abap
@@ -29,21 +29,35 @@ CLASS lcl_paths_filter DEFINITION FINAL.
       IMPORTING
         it_skip_paths TYPE string_table OPTIONAL
         iv_skip_paths TYPE string OPTIONAL
+        iv_pattern_search TYPE abap_bool
       RAISING
         zcx_abapgit_ajson_error.
   PRIVATE SECTION.
     DATA mt_skip_paths TYPE HASHED TABLE OF string WITH UNIQUE KEY table_line.
+    DATA mv_pattern_search TYPE abap_bool.
 ENDCLASS.
 
 CLASS lcl_paths_filter IMPLEMENTATION.
 
   METHOD zif_abapgit_ajson_filter~keep_node.
 
-    DATA lv_path TYPE string.
+    DATA lv_full_path TYPE string.
+    FIELD-SYMBOLS <p> LIKE LINE OF mt_skip_paths.
 
-    lv_path = is_node-path && is_node-name.
-    READ TABLE mt_skip_paths WITH KEY table_line = lv_path TRANSPORTING NO FIELDS.
-    rv_keep = boolc( sy-subrc <> 0 ).
+    lv_full_path = is_node-path && is_node-name.
+
+    IF mv_pattern_search = abap_true.
+      rv_keep = abap_true.
+      LOOP AT mt_skip_paths ASSIGNING <p>.
+        IF lv_full_path CP <p>.
+          rv_keep = abap_false.
+          EXIT.
+        ENDIF.
+      ENDLOOP.
+    ELSE.
+      READ TABLE mt_skip_paths WITH KEY table_line = lv_full_path TRANSPORTING NO FIELDS.
+      rv_keep = boolc( sy-subrc <> 0 ).
+    ENDIF.
 
   ENDMETHOD.
 
@@ -77,6 +91,7 @@ CLASS lcl_paths_filter IMPLEMENTATION.
     DELETE ADJACENT DUPLICATES FROM lt_tab.
 
     mt_skip_paths = lt_tab.
+    mv_pattern_search = iv_pattern_search.
 
   ENDMETHOD.
 
diff --git a/src/json/zcl_abapgit_ajson_filter_lib.clas.testclasses.abap b/src/json/zcl_abapgit_ajson_filter_lib.clas.testclasses.abap
index d055dab26..8c129303f 100644
--- a/src/json/zcl_abapgit_ajson_filter_lib.clas.testclasses.abap
+++ b/src/json/zcl_abapgit_ajson_filter_lib.clas.testclasses.abap
@@ -6,6 +6,8 @@ CLASS ltcl_filters_test DEFINITION FINAL
     METHODS empty_filter_simple FOR TESTING RAISING zcx_abapgit_ajson_error.
     METHODS empty_filter_deep FOR TESTING RAISING zcx_abapgit_ajson_error.
     METHODS path_filter FOR TESTING RAISING zcx_abapgit_ajson_error.
+    METHODS path_filter_string FOR TESTING RAISING zcx_abapgit_ajson_error.
+    METHODS path_filter_w_patterns FOR TESTING RAISING zcx_abapgit_ajson_error.
     METHODS path_filter_deep FOR TESTING RAISING zcx_abapgit_ajson_error.
     METHODS and_filter FOR TESTING RAISING zcx_abapgit_ajson_error.
 ENDCLASS.
@@ -100,6 +102,66 @@ CLASS ltcl_filters_test IMPLEMENTATION.
 
   ENDMETHOD.
 
+  METHOD path_filter_string.
+
+    DATA li_json TYPE REF TO zif_abapgit_ajson.
+    DATA li_json_filtered TYPE REF TO zif_abapgit_ajson.
+
+    li_json = zcl_abapgit_ajson=>create_empty( ).
+    li_json->set(
+      iv_path = '/a'
+      iv_val  = '1' ).
+    li_json->set(
+      iv_path = '/b/c'
+      iv_val  = '2' ).
+    li_json->set(
+      iv_path = '/c/d'
+      iv_val  = '3' ).
+
+    li_json_filtered = zcl_abapgit_ajson=>create_from(
+      ii_source_json = li_json
+      ii_filter = zcl_abapgit_ajson_filter_lib=>create_path_filter( iv_skip_paths = '/b/c,/c/d' ) ).
+
+    cl_abap_unit_assert=>assert_equals(
+      act = li_json_filtered->stringify( )
+      exp = '{"a":"1","b":{},"c":{}}' ).
+
+  ENDMETHOD.
+
+  METHOD path_filter_w_patterns.
+
+    DATA li_json TYPE REF TO zif_abapgit_ajson.
+    DATA li_json_filtered TYPE REF TO zif_abapgit_ajson.
+
+    li_json = zcl_abapgit_ajson=>create_empty( ).
+    li_json->set(
+      iv_path = '/@meta'
+      iv_val  = 'meta' ).
+    li_json->set(
+      iv_path = '/a'
+      iv_val  = '1' ).
+    li_json->set(
+      iv_path = '/b/c'
+      iv_val  = '2' ).
+    li_json->set(
+      iv_path = '/c/d'
+      iv_val  = '3' ).
+    li_json->set(
+      iv_path = '/c/@meta2'
+      iv_val  = 'meta2' ).
+
+    li_json_filtered = zcl_abapgit_ajson=>create_from(
+      ii_source_json = li_json
+      ii_filter = zcl_abapgit_ajson_filter_lib=>create_path_filter(
+        iv_skip_paths = '/*/c,*/@*'
+        iv_pattern_search = abap_true ) ).
+
+    cl_abap_unit_assert=>assert_equals(
+      act = li_json_filtered->stringify( )
+      exp = '{"a":"1","b":{},"c":{"d":"3"}}' ).
+
+  ENDMETHOD.
+
   METHOD path_filter_deep.
 
     DATA li_json TYPE REF TO zif_abapgit_ajson.
diff --git a/src/json/zif_abapgit_ajson.intf.abap b/src/json/zif_abapgit_ajson.intf.abap
index 1b2f6af08..99afb847a 100644
--- a/src/json/zif_abapgit_ajson.intf.abap
+++ b/src/json/zif_abapgit_ajson.intf.abap
@@ -37,6 +37,12 @@ INTERFACE zif_abapgit_ajson
       path TYPE string,
       name TYPE string,
     END OF ty_path_name.
+  TYPES:
+    BEGIN OF ty_opts,
+      read_only TYPE abap_bool,
+      keep_item_order TYPE abap_bool,
+      format_datetime TYPE abap_bool,
+    END OF ty_opts.
 
   " DATA
 
@@ -53,6 +59,9 @@ INTERFACE zif_abapgit_ajson
       iv_use_iso TYPE abap_bool DEFAULT abap_true
     RETURNING
       VALUE(ri_json) TYPE REF TO zif_abapgit_ajson.
+  METHODS opts
+    RETURNING
+      VALUE(rs_opts) TYPE ty_opts.
 
   " METHODS ex.reader