diff --git a/crates/draw/src/render.rs b/crates/draw/src/render.rs
index beea59ae80abf3ccab35fd4a44dabbe81ed7155e..bad59d61bcccaa5889404d910b35fec067f1143d 100644
--- a/crates/draw/src/render.rs
+++ b/crates/draw/src/render.rs
@@ -137,12 +137,11 @@ impl RasterImage {
         let size = [pixels.width(), pixels.height()];
         let shown = [0, 1].map(|axis| size[axis].min(within[axis]).max(1));
         if shown != size {
-            pixels = image::imageops::resize(
-                &pixels,
-                shown[0],
-                shown[1],
-                image::imageops::FilterType::Triangle,
-            );
+            // Through `DynamicImage` the filter is compiled in `image`, optimised in debug builds
+            // too; `imageops::resize` called here would be compiled unoptimised with this crate.
+            pixels = image::DynamicImage::from(pixels)
+                .resize_exact(shown[0], shown[1], image::imageops::FilterType::Triangle)
+                .into_rgba8();
         }
         Self::premultiplied(shown, pixels.into_raw())
     }
diff --git a/crates/notebook/src/background.rs b/crates/notebook/src/background.rs
index ea43b8477df8bcb5e6a42dc5c30a5fa6afc3b96e..ebeece4de03bf00a51446767d056f4e532ea19e9 100644
--- a/crates/notebook/src/background.rs
+++ b/crates/notebook/src/background.rs
@@ -495,7 +495,7 @@ impl Background {
                     let replica = held.replica.upgrade()?;
                     let observed = held.observed.upgrade()?;
                     let synced =
-                        Some(worker.synced.load(Ordering::Acquire)).filter(|time| *time != 0);
+                        || Some(worker.synced.load(Ordering::Acquire)).filter(|time| *time != 0);
                     Some(sync_status(&replica, synced, &observed))
                 });
                 let status = match live {
diff --git a/crates/notebook/src/session.rs b/crates/notebook/src/session.rs
index 603d56e2e1695b8107a46c211b86b92d8568f668..93cc3a8f2e5bd4d95395b7d59a86cbae5ffe36c6 100644
--- a/crates/notebook/src/session.rs
+++ b/crates/notebook/src/session.rs
@@ -2198,7 +2198,7 @@ pub(crate) type Observed = Option<Option<io::Error>>;
 
 pub(crate) fn sync_status(
     replica: &Replica,
-    synced: Option<u64>,
+    synced: impl FnOnce() -> Option<u64>,
     observed: &Mutex<Observed>,
 ) -> Result<SyncStatus> {
     let queued: i64 = crate::lock(&replica.section.connection)?.query_row(
@@ -2210,7 +2210,9 @@ pub(crate) fn sync_status(
         .lock()
         .map_err(|_| io::Error::other("Synchronization observer panicked"))?;
     Ok(SyncStatus {
-        synced,
+        // Read after `observed`: the worker stores the time before it clears the error, so a
+        // cleared error never shows beside the time of the step before it.
+        synced: synced(),
         error: observed
             .as_ref()
             .and_then(Option::as_ref)
@@ -2732,7 +2734,7 @@ impl Section {
     pub fn sync_status(&self) -> Result<SyncStatus> {
         sync_status(
             &self.replica,
-            self.worker.as_ref().and_then(SyncWorker::synced),
+            || self.worker.as_ref().and_then(SyncWorker::synced),
             &self.observed,
         )
     }