diff --git a/dist b/dist
index afa05b62..b613630c 160000
--- a/dist
+++ b/dist
@@ -1 +1 @@
-Subproject commit afa05b62a1698be509bf5d93a2aea3d4b46cf93a
+Subproject commit b613630cef15fc641d5def0db5513fa19234e0a9
diff --git a/src/Connector.js b/src/Connector.js
index d1766fcb..c14856ce 100644
--- a/src/Connector.js
+++ b/src/Connector.js
@@ -60,6 +60,15 @@ module.exports = function (Y/* :any */) {
       this.authInfo = opts.auth || null
       this.checkAuth = opts.checkAuth || function () { return Promise.resolve('write') } // default is everyone has write access
     }
+    resetAuth (auth) {
+      if (this.authInfo !== auth) {
+        this.authInfo = auth
+        this.broadcast({
+          type: 'auth',
+          auth: this.authInfo
+        })
+      }
+    }
     reconnect () {
     }
     disconnect () {
@@ -296,7 +305,6 @@ module.exports = function (Y/* :any */) {
                   type: 'sync done'
                 })
               }
-              conn._setSyncedWith(sender)
             })
           } else if (message.type === 'sync step 2' && canWrite(auth)) {
             let conn = this
diff --git a/src/Database.js b/src/Database.js
index 7bfe6cfa..811bf5ad 100644
--- a/src/Database.js
+++ b/src/Database.js
@@ -188,6 +188,8 @@ module.exports = function (Y /* :any */) {
     }
     stopGarbageCollector () {
       var self = this
+      this.gc = false
+      this.gcTimeout = -1
       return new Promise(function (resolve) {
         self.requestTransaction(function * () {
           var ungc /* :Array<Struct> */ = self.gc1.concat(self.gc2)
diff --git a/src/Transaction.js b/src/Transaction.js
index 2ddddc61..a61abf97 100644
--- a/src/Transaction.js
+++ b/src/Transaction.js
@@ -369,6 +369,9 @@ module.exports = function (Y/* :any */) {
       if (this.store.gc1.length > 0 || this.store.gc2.length > 0) {
         console.warn('gc should be empty after sync')
       }
+      if (!this.store.gc) {
+        return
+      }
       yield* this.os.iterate(this, null, null, function * (op) {
         if (op.gc) {
           delete op.gc