diff --git a/source/UI/js/Core/Request.js b/source/UI/js/Core/Request.js
index b5980252..cadc6e5a 100644
--- a/source/UI/js/Core/Request.js
+++ b/source/UI/js/Core/Request.js
@@ -25,7 +25,6 @@ Ox.Request = (function() {
         $element;
 
     return {
-        async: true,
 
         /*@
         bindEvent <f> Bind event
@@ -140,7 +139,6 @@ Ox.Request = (function() {
                 } else {
                     pending[req] = true;
                     $.ajax({
-                        async: Ox.Request.async,
                         beforeSend: function(request) {
                             var csrftoken = Ox.Cookies('csrftoken');
                             if (csrftoken) {
diff --git a/source/UI/js/Form/ArrayEditable.js b/source/UI/js/Form/ArrayEditable.js
index c0ae9fbf..11f62ff9 100644
--- a/source/UI/js/Form/ArrayEditable.js
+++ b/source/UI/js/Form/ArrayEditable.js
@@ -75,7 +75,7 @@ Ox.ArrayEditable = function(options, self) {
             width: function() {
                 var width = self.options.width;
                 that.css({width: width - 8 + 'px'}); // 2 x 4 px padding
-                self.options.type != 'input' && self.$items.forEach(function($item) {
+                self.options.type == 'textarea' && self.$items.forEach(function($item) {
                     $item.options({width: width})
                 });
             }
diff --git a/source/UI/js/Form/Editable.js b/source/UI/js/Form/Editable.js
index 5ea5076e..61e96f54 100644
--- a/source/UI/js/Form/Editable.js
+++ b/source/UI/js/Form/Editable.js
@@ -19,7 +19,7 @@ Ox.Editable = function(options, self) {
 
     self = self || {};
     var that = Ox.Element({
-            element: options.type == 'input' ? '<span>' : '<div>',
+            element: options.type == 'textarea' ? '<div>' : '<span>',
             tooltip: options.tooltip
         }, self)
         .defaults({
@@ -94,9 +94,7 @@ Ox.Editable = function(options, self) {
             }
         });
 
-    if (self.options.type != 'data') {
-        self.options.value = self.options.value.toString();
-    }
+    self.options.value = self.options.value.toString();
 
     self.css = {};
     self.$value = Ox.Element(self.options.type == 'input' ? '<span>' : '<div>')
@@ -161,7 +159,7 @@ Ox.Editable = function(options, self) {
                         changeOnKeypress: true,
                         element: self.options.type == 'input' ? '<span>' : '<div>',
                         style: 'square',
-                        type: getInputType(),
+                        type: self.options.type,
                         value: formatInputValue()
                     })
                     .css(self.css)
@@ -205,15 +203,14 @@ Ox.Editable = function(options, self) {
     }
 
     function formatInputValue() {
-        return self.options.unformat
-            ? self.options.unformat(self.options.value)
-            : self.options.type == 'input' ? Ox.decodeHTMLEntities(self.options.value)
+        return self.options.type == 'input'
+            ? (self.options.unformat || Ox.decodeHTMLEntities)(self.options.value)
             : self.options.value.replace(/<br\/?><br\/?>/g, '\n\n');
     }
 
     function formatTestValue() {
         var value = Ox.encodeHTMLEntities(
-            (self.options.type != 'data' && self.options.unformat || Ox.identity)(self.$input.options('value'))
+            (self.options.unformat || Ox.identity)(self.$input.options('value'))
         );
         return !value ? '&nbsp;'
             : self.options.type == 'input'
@@ -250,9 +247,7 @@ Ox.Editable = function(options, self) {
             self.$input.value().replace(/\n\n+/g, '\0')
         ).replace(/\0/g, '\n\n').trim();
         return (
-            self.options.type == 'data'
-            ? JSON.parse(value)
-            : self.options.type == 'input'
+            self.options.type == 'input'
             ? Ox.encodeHTMLEntities(value)
             : Ox.sanitizeHTML(value, self.options.tags, self.options.globalAttributes)
         );
@@ -270,7 +265,7 @@ Ox.Editable = function(options, self) {
         height = self.options.height || Ox.limit(self.$test.height(), self.minHeight, self.maxHeight);
         width = self.$test.width();
         // +Ox.UI.SCROLLBAR_SIZE to prevent scrollbar from showing up
-        if (self.options.type != 'input') {
+        if (self.options.type == 'textarea') {
             width += Ox.UI.SCROLLBAR_SIZE;
         }
         width = self.options.width || Ox.limit(width, self.minWidth, self.maxWidth);
@@ -285,16 +280,12 @@ Ox.Editable = function(options, self) {
             width: width,
             height: height
         });
-        self.$input.find(getInputType()).css({
+        self.$input.find(self.options.type).css({
             width: width + 'px',
             height: height + 'px'
         });
     }
 
-    function getInputType() {
-        return self.options.type == 'data' ? 'textarea' : self.options.type
-    }
-
     function submit() {
         self.options.editing = false;
         that.removeClass('OxEditing');
diff --git a/source/UI/js/Video/AnnotationFolder.js b/source/UI/js/Video/AnnotationFolder.js
index 4a5c4243..2284f36d 100644
--- a/source/UI/js/Video/AnnotationFolder.js
+++ b/source/UI/js/Video/AnnotationFolder.js
@@ -121,7 +121,7 @@ Ox.AnnotationFolder = function(options, self) {
                     self.$widget.options({width: self.options.width});
                 }
                 self.$annotations.options({
-                    width: isTextType(self.options.type)
+                    width: self.options.type == 'text'
                         ? self.options.width + 8
                         : self.options.width
                 });
@@ -284,7 +284,7 @@ Ox.AnnotationFolder = function(options, self) {
             clickLink: self.options.clickLink,
             confirmDeleteDialog: self.options.confirmDeleteDialog,
             editable: self.options.editable,
-            getSortValue: isTextType(self.options.type)
+            getSortValue: self.options.type == 'text'
                 ? function(value) {
                     return Ox.stripTags(value);
                 }
@@ -301,24 +301,8 @@ Ox.AnnotationFolder = function(options, self) {
                     + Ox.formatDate(item.modified.slice(0, 10), '%B %e, %Y');
             } : '',
             width: self.options.width,
-            maxHeight: isTextType(self.options.type) ? Infinity : void 0,
-            type: self.options.type == 'data' ? 'data' : self.options.type == 'text' ? 'textarea' : 'input',
-            format: self.options.type == 'data' ? function(value) {
-                return Ox.TreeList({
-                    data: value,
-                    width: self.options.width
-                }).css({
-                    minHeight: '256px',
-                });
-            } : self.options.translate ? function(value) {
-                return Ox._(value);
-            } : null,
-            unformat: function(value) {
-                if (self.options.type == 'data') {
-                    return JSON.stringify(value, null, "    ");
-                }
-                return Ox.decodeHTMLEntities(Ox.stripTags(value));
-            }
+            maxHeight: self.options.type == 'text' ? Infinity : void 0,
+            type: self.options.type == 'text' ? 'textarea' : 'input'
         }, self.options.autocomplete ? {
             autocomplete: function(value, callback) {
                 self.options.autocomplete(self.options.id, value, callback);
@@ -329,9 +313,14 @@ Ox.AnnotationFolder = function(options, self) {
             autocompleteSelectHighlight: true,
             autocompleteSelectMaxWidth: 256,
             autocompleteSelectOffset: {left: 0, top: 0},
-            autocompleteSelectUpdate: true
-        } : {
-        }))
+            autocompleteSelectUpdate: true,
+            format: self.options.translate ? function(value) {
+                return Ox._(value);
+            } : null,
+            unformat: function(value) {
+                return Ox.decodeHTMLEntities(Ox.stripTags(value));
+            }
+        } : {}))
         .bindEvent({
             add: function(data) {
                 if (self.editing) {
@@ -559,8 +548,8 @@ Ox.AnnotationFolder = function(options, self) {
 
     function getSort() {
         return ({
-            duration: ['-duration', '+in', isTextType(self.options.type) ? '+created' : '+value'],
-            position: ['+in', '+duration', isTextType(self.options.type) ? '+created' : '+value'],
+            duration: ['-duration', '+in', self.options.type == 'text' ? '+created' : '+value'],
+            position: ['+in', '+duration', self.options.type == 'text' ? '+created' : '+value'],
             text: ['+value', '+in', '+duration'],
             created: ['+created', '+in', '+duration', '+value']
         })[self.options.sort];
@@ -571,10 +560,6 @@ Ox.AnnotationFolder = function(options, self) {
             && !!item[self.options.type].type;
     }
 
-    function isTextType(type) {
-        return ['text', 'data'].includes(type);
-    }
-
     function removeAnnotation(data) {
         var item;
         self.editing = false;
diff --git a/source/UI/js/Video/AnnotationPanel.js b/source/UI/js/Video/AnnotationPanel.js
index f80121bd..658dc9f4 100644
--- a/source/UI/js/Video/AnnotationPanel.js
+++ b/source/UI/js/Video/AnnotationPanel.js
@@ -247,13 +247,13 @@ Ox.AnnotationPanel = function(options, self) {
             if (annotation && folder) {
                 key = folder.options('id');
                 type = folder.options('type');
-                value = type == 'data' ? '' : annotation.entity ? annotation.entity.name : annotation.value;
+                value = annotation.entity ? annotation.entity.name : annotation.value;
                 isEditable = annotation.editable;
                 isEntity = !!annotation.entity;
                 isEvent = type == 'event';
                 isPlace = type == 'place';
                 isEventOrPlace = isEvent || isPlace;
-                isString = type != 'text' && type != 'data';
+                isString = type != 'text';
                 // fixme: absence of annotation[type] may be an error
                 isDefined = isEventOrPlace && !!annotation[type] && !!annotation[type].type;
                 annotationTitle = folder.options('item') + ': "' + Ox.stripTags(value) + '"';
diff --git a/source/UI/js/Video/VideoAnnotationPanel.js b/source/UI/js/Video/VideoAnnotationPanel.js
index fd0bdd73..3d52533a 100644
--- a/source/UI/js/Video/VideoAnnotationPanel.js
+++ b/source/UI/js/Video/VideoAnnotationPanel.js
@@ -1069,16 +1069,10 @@ Ox.VideoAnnotationPanel = function(options, self) {
         if (query.length) {
             query = query.toLowerCase();
             results = self.annotations.filter(function(annotation) {
-                let value = annotation.value
-                if (!value.toLowerCase && value.toString) {
-                    value = value.toString()
-                }
-                if (value.toLowerCase) {
-                    return Ox.contains(['*', annotation.layer], self.options.findLayer)
-                        && Ox.decodeHTMLEntities(Ox.stripTags(
-                            value.toLowerCase()
-                        )).indexOf(query) > -1;
-                }
+                return Ox.contains(['*', annotation.layer], self.options.findLayer)
+                    && Ox.decodeHTMLEntities(Ox.stripTags(
+                        annotation.value.toLowerCase()
+                    )).indexOf(query) > -1;
             });
         }
         return results;
@@ -1125,9 +1119,6 @@ Ox.VideoAnnotationPanel = function(options, self) {
             Ox.forEach(layer.items, function(item) {
                 if (item.id == annotationId) {
                     value = item.value;
-                    if (!value.toLowerCase && value.toString) {
-                        value = value.toString()
-                    }
                     found = true;
                     return false; // break
                 }
@@ -1285,15 +1276,9 @@ Ox.VideoAnnotationPanel = function(options, self) {
         var words = [];
         Ox.forEach(Ox.count(Ox.words(
             self.annotations.map(function(annotation) {
-                let value = annotation.value
-                if (!value.toLowerCase && value.toString) {
-                    value = value.toString()
-                }
-                if (value.toLowerCase) {
-                    return Ox.decodeHTMLEntities(
-                        Ox.stripTags(value.toLowerCase())
-                    );
-                }
+                return Ox.decodeHTMLEntities(
+                    Ox.stripTags(annotation.value.toLowerCase())
+                );
             }).join(' ')
         )), function(count, value) {
             words.push({count: count, value: value});
@@ -1446,12 +1431,11 @@ Ox.VideoAnnotationPanel = function(options, self) {
                 position: self.options.position
             });
             if (self.editing && self.options.selected.length && self.options.selected[0] != '_') {
-                let value = $('.OxEditableElement input:visible').val()
                 that.triggerEvent('editannotation', {
                     id: self.options.selected,
                     'in': self.options['in'],
                     out: self.options.out,
-                    value: value
+                    value: $('.OxEditableElement input:visible').val()
                 });
             }
         }
@@ -1584,9 +1568,6 @@ Ox.VideoAnnotationPanel = function(options, self) {
         }
         data['in'] = self.options['in'];
         data.out = self.options.out;
-        if (data.layer == 'data' && Ox.isString(data.value)) {
-            data.value = JSON.parse(data.value)
-        }
         that.triggerEvent('editannotation', data);
     }
 
diff --git a/source/UI/js/Video/VideoElement.js b/source/UI/js/Video/VideoElement.js
index c6e279b8..72bdfac6 100644
--- a/source/UI/js/Video/VideoElement.js
+++ b/source/UI/js/Video/VideoElement.js
@@ -399,7 +399,6 @@ Ox.VideoElement = function(options, self) {
             }
             if (video.currentTime == in_) {
                 Ox.Log('Video', 'sCV', 'already at position');
-                that.triggerEvent('seeked');
                 ready();
             } else {
                 self.$video.one('seeked', function() {
diff --git a/source/UI/js/Video/VideoPlayer.js b/source/UI/js/Video/VideoPlayer.js
index 7d767813..9a15bcf4 100644
--- a/source/UI/js/Video/VideoPlayer.js
+++ b/source/UI/js/Video/VideoPlayer.js
@@ -519,13 +519,9 @@ Ox.VideoPlayer = function(options, self) {
                         .css(getVideoCSS(
                             self.$poster[0].width,
                             self.$poster[0].height
-                        ));
-                    if (Ox.isUndefined(self.posterIsVisible) && self.options.paused) {
-                        self.$poster.show()
-                        self.posterIsVisible = true;
-                    } else {
-                        hidePoster()
-                    }
+                        ))
+                        .show();
+                    self.posterIsVisible = true;
                 }
             })
             .appendTo(self.$videoContainer);
@@ -2776,7 +2772,6 @@ Ox.VideoPlayer = function(options, self) {
         if (!self.options.paused) {
             self.playOnLoad = true;
             togglePaused('button');
-            hidePoster();
         }
         self.loadedMetadata = false;
         showLoadingIcon();
diff --git a/source/UI/js/Window/Dialog.js b/source/UI/js/Window/Dialog.js
index c027db68..30a44a58 100644
--- a/source/UI/js/Window/Dialog.js
+++ b/source/UI/js/Window/Dialog.js
@@ -19,7 +19,6 @@ Ox.Dialog = function(options, self) {
     var that = Ox.Element({}, self)
             .defaults({
                 buttons: [],
-                borderless: false,
                 controlsBottom: [],
                 controlsTop: [],
                 closeButton: false,
@@ -74,7 +73,7 @@ Ox.Dialog = function(options, self) {
             .appendTo(Ox.Fullscreen.element ? Ox.Fullscreen.element : Ox.$body);
 
     self.hasButtons = !!self.options.buttons.length;
-    self.barsHeight = !self.options.borderless*24 + 24 * self.hasButtons;
+    self.barsHeight = 24 + 24 * self.hasButtons;
     self.initialMaxHeight = self.options.maxHeight;
     self.initialMaxWidth = self.options.maxWidth;
     self.titleMargin = 8 + (self.options.closeButton ? 20 : 0)
@@ -95,9 +94,7 @@ Ox.Dialog = function(options, self) {
             size: 24
         })
         .addClass('OxTitlebar')
-    if (!self.options.borderless) {
-        self.$titlebar.appendTo(that);
-    }
+        .appendTo(that);
 
     if (self.options.closeButton) {
         self.$closeButton = Ox.Button({
@@ -608,13 +605,6 @@ Ox.Dialog = function(options, self) {
                 borderBottomRightRadius: '8px'
             })
             .appendTo(that);
-        if (self.options.borderless) {
-            self.$content.css({
-                top: 0,
-                borderTopLeftRadius: '8px',
-                borderTopRightRadius: '8px'
-            })
-        }
         !isImage && self.$content.append(
             self.options.content.css(self.hasButtons ? {} : {
                 borderBottomLeftRadius: '8px',
diff --git a/tools/build/build.py b/tools/build/build.py
index ec3cc568..8accbd3d 100755
--- a/tools/build/build.py
+++ b/tools/build/build.py
@@ -80,13 +80,13 @@ def build_oxjs(downloads=False, geo=False):
     path = source_path + 'UI/svg/'
     for filename in [filename for filename in os.listdir(path) if not filename[0] in '._']:
         svg = read_text(path + filename)
-        svg = re.sub(r'\n\s*', '', svg)
-        svg = re.sub(r'<!--.+?-->', '', svg)
+        svg = re.sub('\n\s*', '', svg)
+        svg = re.sub('<!--.+?-->', '', svg)
         # end fix
         ui_images[filename[:-4]] = svg
         if filename.startswith('symbolLoading'):
             for theme in themes:
-                theme_svg = re.sub(r'#808080', format_hex(theme_data[theme]['symbolDefaultColor']), svg)
+                theme_svg = re.sub('#808080', format_hex(theme_data[theme]['symbolDefaultColor']), svg)
                 write_file('%sUI/themes/%s/svg/%s' % (dev_path, theme, filename), theme_svg)
                 write_file('%sUI/themes/%s/svg/%s' % (min_path, theme, filename), theme_svg)
 
@@ -101,10 +101,10 @@ def build_oxjs(downloads=False, geo=False):
                     and (geo or '/Geo/' not in path):
                 # write copies in min path
                 source = os.path.join(path, filename)
-                is_jquery = re.search(r'^jquery-[\d\.]+\.js$', filename)
-                is_jquery_min = re.search(r'^jquery-[\d\.]+\.min\.js$', filename)
-                is_jquery_plugin = re.search(r'^jquery\..*?\.js$', filename)
-                is_jsonc = re.search(r'\.jsonc$', filename)
+                is_jquery = re.search('^jquery-[\d\.]+\.js$', filename)
+                is_jquery_min = re.search('^jquery-[\d\.]+\.min\.js$', filename)
+                is_jquery_plugin = re.search('^jquery\..*?\.js$', filename)
+                is_jsonc = re.search('\.jsonc$', filename)
                 if is_jquery or is_jquery_min:
                     target = os.path.join(path.replace(source_path, min_path), 'jquery.js')
                 else:
@@ -113,7 +113,7 @@ def build_oxjs(downloads=False, geo=False):
                         ui_files['dev'].append(target.replace(min_path, ''))
                         ui_files['min'].append(target.replace(min_path, ''))
                 if '/Ox/js/' not in source and '/UI/js/' not in source and not is_jquery:
-                    if re.match(r'^Ox\..+\.js$', filename) or is_jsonc:
+                    if re.match('^Ox\..+\.js$', filename) or is_jsonc:
                         js = read_text(source)
                         print('minifiy and write', filename, target)
                         write_file(target, ox.js.minify(js, '' if is_jsonc else comment))
@@ -129,7 +129,7 @@ def build_oxjs(downloads=False, geo=False):
                 if not is_jquery_min:
                     write_link(link_source, link_target)
                 # locales
-                match = re.search(r'/(\w+)/json/locale.(\w+).json', source)
+                match = re.search('/(\w+)/json/locale.(\w+).json', source)
                 if match:
                     module = match.group(1)
                     locale = match.group(2)
@@ -182,12 +182,12 @@ def build_oxjs(downloads=False, geo=False):
         if not js_dir + filename in sum(ox_files, []):
             ox_files[-1].append(js_dir + filename)
     js = re.sub(
-        r'Ox.LOCALES = \{\}',
+        'Ox.LOCALES = \{\}',
         'Ox.LOCALES = ' + json.dumps(locales, indent=4, sort_keys=True),
         js
     )
     js = re.sub(
-        r"Ox.VERSION = '([\d\.]+)'",
+        "Ox.VERSION = '([\d\.]+)'",
         "Ox.VERSION = '%s'" % version,
         js
     )
@@ -238,7 +238,7 @@ def build_oxjs(downloads=False, geo=False):
     data = {
         # sum(list, []) is flatten
         'documentation': sorted(sum(ox_files, [])) + sorted(list(filter(
-            lambda x: re.search(r'\.js$', x),
+            lambda x: re.search('\.js$', x),
             ui_files['dev']
         )) + ['%s/%s.js' % (x, x) for x in ['Geo', 'Image', 'Unicode']]),
         'examples': sorted(sum(map(
@@ -250,7 +250,7 @@ def build_oxjs(downloads=False, geo=False):
                 )
             )),
             list(filter(
-                lambda x: not re.search(r'^[._]', x),
+                lambda x: not re.search('^[._]', x),
                 os.listdir(root_path + 'examples/')
             ))
         ), [])) if os.path.exists(root_path + 'examples/') else (),
@@ -264,7 +264,7 @@ def build_oxjs(downloads=False, geo=False):
                 'title': get_title(root_path + 'readme/' + x)
             },
             filter(
-                lambda x: not re.search(r'^[._]', x) and re.search(r'\.html$', x),
+                lambda x: not re.search('^[._]', x) and re.search('\.html$', x),
                 os.listdir(root_path + 'readme/')
             )
         ))
@@ -355,7 +355,7 @@ def parse_css(css, values):
                 ) for vals in value]
             )
         return string
-    return re.sub(r'\$(\w+)(\[\d+\])?', sub, css)
+    return re.sub('\$(\w+)(\[\d+\])?', sub, css)
 
 def read_file(file):
     print('reading', file)