diff --git a/frontend/src/actions.js b/frontend/src/actions.js
index e425351..3a9ba0c 100644
--- a/frontend/src/actions.js
+++ b/frontend/src/actions.js
@@ -42,7 +42,7 @@ export function input(node, { autofocus, type, onValid, onInvalid, mandatory } =
         return checkInteger() || checkNumberBoundaries(uint64);
 
       case 'string':
-        if (mandatory && (node.value == '')) {
+        if (mandatory && (!node.value)) {
           return 'This field cannot empty';
         }
         return false;
diff --git a/frontend/src/organisms/connection/collection/components/form.svelte b/frontend/src/organisms/connection/collection/components/form.svelte
index f88f3f8..73cb13a 100644
--- a/frontend/src/organisms/connection/collection/components/form.svelte
+++ b/frontend/src/organisms/connection/collection/components/form.svelte
@@ -8,7 +8,7 @@
   export let valid = false;
 
   const validity = {};
-  $: valid = Object.values(validity).every(v => !!v);
+  $: valid = Object.values(validity).every(v => v !== false);
 
   const iconMap = {
     string: 'text',
@@ -49,7 +49,7 @@
       </div>
       <div class="input">
         <FormInput {column} bind:value={keypathProxy[column.key]} bind:valid={validity[column.key]} />
-        <button type="button" class="btn" title="Reset value" on:click={() => reset(column.key)} disabled={!keypathProxy[column.key]}>
+        <button type="button" class="btn" title="Reset value" on:click={() => reset(column.key)} disabled={keypathProxy[column.key] === undefined}>
           <Icon name="reload" />
         </button>
       </div>
@@ -89,6 +89,7 @@
     font-size: 10px;
     padding: 3px 5px;
     font-weight: 600;
+    line-height: 1;
   }
   .tag.invalid {
     background-color: rgba(255, 80, 80, 0.3);
diff --git a/frontend/src/organisms/connection/collection/components/viewconfig.svelte b/frontend/src/organisms/connection/collection/components/viewconfig.svelte
index e1e09c4..62a68c9 100644
--- a/frontend/src/organisms/connection/collection/components/viewconfig.svelte
+++ b/frontend/src/organisms/connection/collection/components/viewconfig.svelte
@@ -35,7 +35,7 @@
       database: collection.dbKey,
       collection: collection.key,
       type: 'table',
-      columns: [ { key: '_id', showInTable: true, inputType: 'string' } ],
+      columns: [ { key: '_id', showInTable: true, inputType: 'objectid', mandatory: true } ],
     };
     activeViewKey = newViewKey;
   }
diff --git a/frontend/src/organisms/connection/collection/insert.svelte b/frontend/src/organisms/connection/collection/insert.svelte
index 654c739..a97a871 100644
--- a/frontend/src/organisms/connection/collection/insert.svelte
+++ b/frontend/src/organisms/connection/collection/insert.svelte
@@ -19,15 +19,14 @@
   $: viewsForCollection = views.forCollection(collection.hostKey, collection.dbKey, collection.key);
   $: oppositeViewType = viewType === 'table' ? 'form' : 'table';
 
+  $: if (collection.viewKey !== 'list') {
+    json = JSON.stringify(newItems, undefined, 2);
+  }
+
   async function insert() {
-    if (collection.viewKey === 'list') {
-      insertedIds = await InsertItems(collection.hostKey, collection.dbKey, collection.key, json);
-    }
-    else {
-      insertedIds = await InsertItems(collection.hostKey, collection.dbKey, collection.key, JSON.stringify(newItems));
-      if (insertedIds) {
-        newItems = [];
-      }
+    insertedIds = await InsertItems(collection.hostKey, collection.dbKey, collection.key, json);
+    if ((collection.viewKey === 'list') && insertedIds) {
+      newItems = [];
     }
   }
 
diff --git a/frontend/src/organisms/connection/hosttree.svelte b/frontend/src/organisms/connection/hosttree.svelte
index c37c2e4..48db998 100644
--- a/frontend/src/organisms/connection/hosttree.svelte
+++ b/frontend/src/organisms/connection/hosttree.svelte
@@ -115,6 +115,7 @@
         { label: 'Drop database…', fn: () => dropDatabase(dbKey) },
         { separator: true },
         { label: 'New database…', fn: () => dispatch('newDatabase') },
+        { label: 'New collection…', fn: () => dispatch('newCollection') },
       ],
     })),
     menu: [
diff --git a/frontend/src/organisms/connection/index.svelte b/frontend/src/organisms/connection/index.svelte
index b24e4ff..e262529 100644
--- a/frontend/src/organisms/connection/index.svelte
+++ b/frontend/src/organisms/connection/index.svelte
@@ -48,7 +48,6 @@
     busy.start();
     $connections[activeHostKey].databases[newDb.name] = { collections: {} };
     newDb = undefined;
-    await hostTree.reload();
     busy.end();
   }
 
@@ -73,7 +72,6 @@
     busy.start();
     $connections[activeHostKey].databases[activeDbKey].collections[newColl.name] = {};
     newColl = undefined;
-    await hostTree.reload();
     busy.end();
   }