should resolve a 3/4 things

src/components/post_status_form/post_status_form.js

@@ -191,7 +191,7 @@ const PostStatusForm = {
       this.posting = true
       statusPoster.postStatus({
         status: newStatus.status,
-        spoilerText: newStatus.spoilerText || undefined,
+        spoilerText: newStatus.spoilerText || null,
         visibility: newStatus.visibility,
         media: newStatus.files,
         store: this.$store,
@@ -207,7 +207,7 @@ const PostStatusForm = {
           el.style.height = '16px'
           this.error = null
 
-          Object.keys(this.vis).forEach(function (x) { this.vis[x].selected = false })
+          for (key in Object.keys(this.vis)) { this.vis[key].selected = false }
           this.vis.public.selected = true
         } else {
           this.error = data.error

src/components/post_status_form/post_status_form.vue

@@ -4,7 +4,7 @@
     <div class="form-group" >
       <input
         type="text"
-        placeholder="Content warning (optional)"
+        :placeholder="$t('post_status.content_warning')"
         v-model="newStatus.spoilerText"
         class="form-cw">
       <textarea

src/i18n/messages.js

@@ -327,6 +327,7 @@ const en = {
   },
   post_status: {
     posting: 'Posting',
+    content_warning: 'Content warning (optional)',
     default: 'Just landed in L.A.'
   },
   finder: {