diff --git a/apps/cory/index.json b/apps/cory/index.json
index 82342902..5b3f6b27 100644
--- a/apps/cory/index.json
+++ b/apps/cory/index.json
@@ -1 +1 @@
-{"type":"tildefriends-app","files":{"app.js":"&xynMjji35hfaE7anTfEM8uAg33s4Y2ffkbq1rPU4dqY=.sha256","index.html":"&xCI4SATYvlJkVX5EdlRROoDSMWlajF+wDFrWSUYZqd8=.sha256","vue-material.js":"&K5cdLqXYCENPak/TCINHQhyJhpS4G9DlZHGwoh/LF2g=.sha256","tf-user.js":"&DdJwZYEo7AqFyutYMvEjykoVXxdHVog0UXye6Sbo0TU=.sha256","tf-message.js":"&kIpc5B2dt4oefsTgNASz2cVte3WRO0k2NCYJYRzu/MA=.sha256","tf.js":"&WvteLAg4G92YOUO3/B36kmar5lqFq8Pil4rsy7uFNDY=.sha256","commonmark.min.js":"&EP0OeR9zyLwZannz+0ga4s9AGES2RLvvIIQYHqqV6+k=.sha256","vue.js":"&g1wvA+yHl1sVC+eufTsg9If7ZeVyMTBU+h0tks7ZNzE=.sha256","vue-material-theme-default-dark.css":"&RP2nr+2CR18BpHHw5ST9a5GJUCOG9n0G2kuGkcQioWE=.sha256","vue-material.min.css":"&kGbUM2QgFSyHZRzqQb0b+0S3EVIlZ0AXpdiAVjIhou8=.sha256","roboto.css":"&jJv43Om673mQO5JK0jj7714s5E+5Yrf82H6LcDx7wUs=.sha256","material-icons.css":"&a28PdcVvgq/DxyIvJAx/e+ZOEtOuHnr3kjLWKyzH11M=.sha256","tf-shared.js":"&X+zVM6t/QOUF/s0mqWWUWD7tMjzcCaflTy3a8zFAEH8=.sha256"}}
\ No newline at end of file
+{"type":"tildefriends-app","files":{"app.js":"&bqEYTfdwANwoIjnvcuhdPQHgNdEfyUGQSB5pmGg6408=.sha256","index.html":"&xCI4SATYvlJkVX5EdlRROoDSMWlajF+wDFrWSUYZqd8=.sha256","vue-material.js":"&K5cdLqXYCENPak/TCINHQhyJhpS4G9DlZHGwoh/LF2g=.sha256","tf-user.js":"&DdJwZYEo7AqFyutYMvEjykoVXxdHVog0UXye6Sbo0TU=.sha256","tf-message.js":"&kIpc5B2dt4oefsTgNASz2cVte3WRO0k2NCYJYRzu/MA=.sha256","tf.js":"&WvteLAg4G92YOUO3/B36kmar5lqFq8Pil4rsy7uFNDY=.sha256","commonmark.min.js":"&EP0OeR9zyLwZannz+0ga4s9AGES2RLvvIIQYHqqV6+k=.sha256","vue.js":"&g1wvA+yHl1sVC+eufTsg9If7ZeVyMTBU+h0tks7ZNzE=.sha256","vue-material-theme-default-dark.css":"&RP2nr+2CR18BpHHw5ST9a5GJUCOG9n0G2kuGkcQioWE=.sha256","vue-material.min.css":"&kGbUM2QgFSyHZRzqQb0b+0S3EVIlZ0AXpdiAVjIhou8=.sha256","roboto.css":"&jJv43Om673mQO5JK0jj7714s5E+5Yrf82H6LcDx7wUs=.sha256","material-icons.css":"&a28PdcVvgq/DxyIvJAx/e+ZOEtOuHnr3kjLWKyzH11M=.sha256","tf-shared.js":"&X+zVM6t/QOUF/s0mqWWUWD7tMjzcCaflTy3a8zFAEH8=.sha256"}}
\ No newline at end of file
diff --git a/apps/cory/index/app.js b/apps/cory/index/app.js
index 7bed31f1..cd13960c 100644
--- a/apps/cory/index/app.js
+++ b/apps/cory/index/app.js
@@ -337,7 +337,6 @@ async function getVotes(db, id) {
 		f.votes = [].concat(votes, f.votes).slice(0, k_votes_max);
 		var j = JSON.stringify(f);
 		if (o != j) {
-			print('set', id + ':votes');
 			await db.set(id + ":votes", j);
 		}
 	}
@@ -369,15 +368,44 @@ core.register('onConnectionsChanged', async function() {
 	await app.postMessage({connections: connections});
 });
 
+async function updateSequences(db) {
+	var k_batch_max = 100;
+	var changes = {};
+	var keys = Object.keys(g_sequence);
+	for (var i = 0; i < keys.length; i += k_batch_max) {
+		var ids_batch = keys.slice(i, Math.min(i + k_batch_max, keys.length));
+		await ssb.sqlStream(
+			"SELECT "+
+			"  author, "+
+			"  MAX(sequence) AS sequence "+
+			"FROM messages "+
+			"WHERE "+
+			"  author IN (" + ids_batch.map(x => '?').join(", ") + ")",
+			ids_batch,
+			function(row) {
+				if (g_sequence[row.author] != row.sequence) {
+					g_sequence[row.author] = row.sequence;
+					changes[row.author] = row.sequence;
+				}
+			});
+	}
+	return changes;
+}
+
 async function refresh(selected) {
 	var timing = [];
 	timing.push({name: 'start', time: new Date()});
 	g_following_cache = {};
 	g_following_deep_cache = {};
-	g_sequence = {};
 	await app.postMessage({clear: true});
 	var whoami = await ssb.whoami();
 	var db = await database("ssb");
+	g_sequence = {};
+	try {
+		g_sequence = JSON.parse(await db.get('sequence'));
+	} catch (e) {
+	}
+	await updateSequences(db);
 	timing.push({name: 'init', time: new Date()});
 	var blocked = await blocking(db, whoami);
 	timing.push({name: 'blocked', time: new Date()});
@@ -437,6 +465,7 @@ async function refresh(selected) {
 	timing.push({name: 'following', time: new Date()});
 	await app.postMessage({blocking: {id: whoami, users: [...(g_blocking_cache[whoami] || [])]}});
 	timing.push({name: 'send_blocking', time: new Date()});
+	await db.set('sequence', JSON.stringify(g_sequence));
 
 	var times = {};
 	var previous = null;
@@ -444,7 +473,6 @@ async function refresh(selected) {
 		times[t.name] = (t.time - (previous || t).time) / 1000.0 + ' s';
 		previous = t;
 	}
-
 	await app.postMessage({ready: true, times: times});
 }