diff --git a/.claude/skills/screenshots/SKILL.md b/.claude/skills/screenshots/SKILL.md
index 266c92a..cc8b5a0 100644
--- a/.claude/skills/screenshots/SKILL.md
+++ b/.claude/skills/screenshots/SKILL.md
@@ -37,6 +37,21 @@ term`, which says nothing about the cause. Check with `pgrep -f shots.rb`
 before starting one; a backgrounded rig reported as finished is not proof, and
 two of them overlapping is what filed a set of empty Vision Pro rooms.
 
+**A second Xcode can swap the simulators out from under the one you build
+with.** `xcode-select` picks the `xcodebuild` and `simctl`, but the machinery
+that runs every simulator — `com.apple.pkg.XcodeSystemResources`, with
+CoreSimulatorService in it — is system-wide, and it is whichever Xcode last
+installed its components. With the 27.1 beta installed beside 27.0, it was
+27.1. The iOS 27.0 simulators' `backboardd` then aborted in Metal
+(`MTLSimDevice newTextureWithDescriptor`) after a few launches and
+rotations. The run died as `Test crashed with signal kill`, twice in a row,
+in a different shot each time, with the app's own code blameless. The old
+code crashed the same way. Check `pkgutil --pkg-info
+com.apple.pkg.XcodeSystemResources` before a shoot. If it is not the release
+you build with, reinstall that release's package
+(`sudo installer -pkg <Xcode>/Contents/Resources/Packages/XcodeSystemResources.pkg -target /`),
+then `simctl shutdown all` and restart CoreSimulatorService.
+
 **A stuck app survives `kill -9`.** A run killed mid-flight can leave the app
 being traced by an orphaned `debugserver`, `ps` showing `SX`; every later Mac
 run then fails with `Failed to terminate space.hiraku.tortoiseblocks:<pid>`,
diff --git a/App/Views/CLAUDE.md b/App/Views/CLAUDE.md
index f3a0338..bb4922e 100644
--- a/App/Views/CLAUDE.md
+++ b/App/Views/CLAUDE.md
@@ -144,10 +144,15 @@ worse. Taking either `ToolbarSpacer` away changed nothing. `CanvasViewToggle`
 therefore offers the words and then the icons, through `ViewThatFits`, each
 form `fixedSize` so it can never be squeezed into an ellipsis. What that gives,
 measured: the words on the 13-inch landscape (both languages), on the Mac (in
-Japanese) and the phone's sheet (in English), and English on the 11-inch
-landscape; the icons in portrait on
-both iPads and for Japanese on the 11-inch landscape. Judge a change here on
-the 11-inch, in portrait and in Japanese: that is the narrowest case.
+Japanese) and in the phone's sheet (in English). The icons in portrait on both
+iPads, and for Japanese on the 11-inch landscape. English on the 11-inch
+landscape sits on the boundary. A freshly opened document with blocks in it
+showed the words throughout. An empty one showed them until its first block,
+then switched to the icons and stayed there — presumably the toolbar offers a
+hair less once its buttons change state, though that was not pinned down.
+That one-time flip was looked at and accepted
+rather than engineered away. Judge a change here on the 11-inch, in portrait
+and in Japanese (the narrowest cases), and from an empty document.
 
 **26's glass is not used on any surface of ours, and that was tested rather
 than assumed** (#79). All three candidates were built and looked at, and all
diff --git a/App/Views/ContentView.swift b/App/Views/ContentView.swift
index 1112d84..55c6d4c 100644
--- a/App/Views/ContentView.swift
+++ b/App/Views/ContentView.swift
@@ -465,11 +465,14 @@ struct CanvasToolbar: ToolbarContent {
 /// fixed one after it was what ran out: taking each away changed nothing.
 ///
 /// So the words are offered first and the icons second, and `ViewThatFits`
-/// takes whichever the toolbar has room for. The toolbar is a little stingier
-/// than `fixedSize` would suggest: the 11-inch's landscape column fits the
-/// English words but not 「キャンバス」, so Japanese gets the icons there. The
-/// 13-inch landscape keeps the words in both languages. VoiceOver reads
-/// "Canvas" and "Code" either way.
+/// takes whichever the toolbar has room for. The 13-inch landscape keeps the
+/// words in both languages. The 11-inch landscape column is the boundary: it
+/// never fits 「キャンバス」, and it fits the English words only until the
+/// toolbar's own state changes. An empty document shows "Canvas | Code", and
+/// the first block — which is when ⟳ comes on — turns them into the icons for
+/// good. That flip was seen and accepted: it happens once, and nothing is cut
+/// or hidden either side of it. VoiceOver reads "Canvas" and "Code" either
+/// way.
 struct CanvasViewToggle: View {
     @Binding var showsCode: Bool
 
diff --git a/Tools/film/previews.rb b/Tools/film/previews.rb
index 6a4552f..11c03e3 100644
--- a/Tools/film/previews.rb
+++ b/Tools/film/previews.rb
@@ -151,7 +151,10 @@ def record_vision(profile, raw)
 
   FileUtils.rm_rf(raw)
   FileUtils.mkdir_p(raw)
-  3.times do |attempt|
+  # Five tries, where the screenshot rig makes three: the sheet failing to
+  # come up is the same flake there, but here it once failed three launches
+  # running, and the run after that needed three.
+  5.times do |attempt|
     # Reinstalled every time: visionOS restores an app's windows, and a launch
     # that inherits the last one's opens a second set on top.
     Film.simctl("terminate", udid, Film::BUNDLE_ID)
@@ -187,7 +190,7 @@ def record_vision(profile, raw)
 
     warn("  an empty room on attempt #{attempt + 1} (ink #{measured.round(4)}), relaunching")
   end
-  abort("vision never came up with a sheet after three attempts")
+  abort("vision never came up with a sheet after five attempts")
 end
 
 def compose_vision(profile, raw)
diff --git a/appstore/screenshots/ios/en-US/1_iphone_star_blocks.png b/appstore/screenshots/ios/en-US/1_iphone_star_blocks.png
index 4f97827..50e735b 100644
Binary files a/appstore/screenshots/ios/en-US/1_iphone_star_blocks.png and b/appstore/screenshots/ios/en-US/1_iphone_star_blocks.png differ
diff --git a/appstore/screenshots/ios/en-US/1_star_canvas.png b/appstore/screenshots/ios/en-US/1_star_canvas.png
index 16c5160..74c3c9a 100644
Binary files a/appstore/screenshots/ios/en-US/1_star_canvas.png and b/appstore/screenshots/ios/en-US/1_star_canvas.png differ
diff --git a/appstore/screenshots/ios/en-US/2_iphone_star_canvas.png b/appstore/screenshots/ios/en-US/2_iphone_star_canvas.png
index dd812ba..3b210d3 100644
Binary files a/appstore/screenshots/ios/en-US/2_iphone_star_canvas.png and b/appstore/screenshots/ios/en-US/2_iphone_star_canvas.png differ
diff --git a/appstore/screenshots/ios/en-US/2_spiral_canvas.png b/appstore/screenshots/ios/en-US/2_spiral_canvas.png
index d600797..937b1a9 100644
Binary files a/appstore/screenshots/ios/en-US/2_spiral_canvas.png and b/appstore/screenshots/ios/en-US/2_spiral_canvas.png differ
diff --git a/appstore/screenshots/ios/en-US/3_iphone_spiral_code.png b/appstore/screenshots/ios/en-US/3_iphone_spiral_code.png
index f85aa06..ea2abfa 100644
Binary files a/appstore/screenshots/ios/en-US/3_iphone_spiral_code.png and b/appstore/screenshots/ios/en-US/3_iphone_spiral_code.png differ
diff --git a/appstore/screenshots/ios/en-US/3_spiral_code.png b/appstore/screenshots/ios/en-US/3_spiral_code.png
index da3e676..b5a8f51 100644
Binary files a/appstore/screenshots/ios/en-US/3_spiral_code.png and b/appstore/screenshots/ios/en-US/3_spiral_code.png differ
diff --git a/appstore/screenshots/ios/en-US/4_tree_canvas.png b/appstore/screenshots/ios/en-US/4_tree_canvas.png
index ea7d254..411cd39 100644
Binary files a/appstore/screenshots/ios/en-US/4_tree_canvas.png and b/appstore/screenshots/ios/en-US/4_tree_canvas.png differ
diff --git a/appstore/screenshots/ios/ja/1_star_canvas.png b/appstore/screenshots/ios/ja/1_star_canvas.png
index c3e97fa..edf30c3 100644
Binary files a/appstore/screenshots/ios/ja/1_star_canvas.png and b/appstore/screenshots/ios/ja/1_star_canvas.png differ
diff --git a/appstore/screenshots/ios/ja/2_iphone_star_canvas.png b/appstore/screenshots/ios/ja/2_iphone_star_canvas.png
index fd36ba0..a4b6eb4 100644
Binary files a/appstore/screenshots/ios/ja/2_iphone_star_canvas.png and b/appstore/screenshots/ios/ja/2_iphone_star_canvas.png differ
diff --git a/appstore/screenshots/ios/ja/2_spiral_canvas.png b/appstore/screenshots/ios/ja/2_spiral_canvas.png
index e75616d..30107e3 100644
Binary files a/appstore/screenshots/ios/ja/2_spiral_canvas.png and b/appstore/screenshots/ios/ja/2_spiral_canvas.png differ
diff --git a/appstore/screenshots/ios/ja/3_iphone_spiral_code.png b/appstore/screenshots/ios/ja/3_iphone_spiral_code.png
index 9a0ea0d..3079e38 100644
Binary files a/appstore/screenshots/ios/ja/3_iphone_spiral_code.png and b/appstore/screenshots/ios/ja/3_iphone_spiral_code.png differ
diff --git a/appstore/screenshots/ios/ja/3_spiral_code.png b/appstore/screenshots/ios/ja/3_spiral_code.png
index 2e10f1f..472d581 100644
Binary files a/appstore/screenshots/ios/ja/3_spiral_code.png and b/appstore/screenshots/ios/ja/3_spiral_code.png differ
diff --git a/appstore/screenshots/ios/ja/4_tree_canvas.png b/appstore/screenshots/ios/ja/4_tree_canvas.png
index 1600f7a..fc24c28 100644
Binary files a/appstore/screenshots/ios/ja/4_tree_canvas.png and b/appstore/screenshots/ios/ja/4_tree_canvas.png differ
diff --git a/appstore/screenshots/macos/en-US/1_star_canvas.png b/appstore/screenshots/macos/en-US/1_star_canvas.png
index 736b6df..31f706f 100644
Binary files a/appstore/screenshots/macos/en-US/1_star_canvas.png and b/appstore/screenshots/macos/en-US/1_star_canvas.png differ
diff --git a/appstore/screenshots/macos/en-US/2_spiral_canvas.png b/appstore/screenshots/macos/en-US/2_spiral_canvas.png
index acf1efa..0f8be5f 100644
Binary files a/appstore/screenshots/macos/en-US/2_spiral_canvas.png and b/appstore/screenshots/macos/en-US/2_spiral_canvas.png differ
diff --git a/appstore/screenshots/macos/en-US/3_spiral_code.png b/appstore/screenshots/macos/en-US/3_spiral_code.png
index 9c14d5a..0023494 100644
Binary files a/appstore/screenshots/macos/en-US/3_spiral_code.png and b/appstore/screenshots/macos/en-US/3_spiral_code.png differ
diff --git a/appstore/screenshots/macos/en-US/4_tree_canvas.png b/appstore/screenshots/macos/en-US/4_tree_canvas.png
index a6fd9f9..4cc867c 100644
Binary files a/appstore/screenshots/macos/en-US/4_tree_canvas.png and b/appstore/screenshots/macos/en-US/4_tree_canvas.png differ
diff --git a/appstore/screenshots/macos/ja/1_star_canvas.png b/appstore/screenshots/macos/ja/1_star_canvas.png
index 79e54e9..1394ec1 100644
Binary files a/appstore/screenshots/macos/ja/1_star_canvas.png and b/appstore/screenshots/macos/ja/1_star_canvas.png differ
diff --git a/appstore/screenshots/macos/ja/2_spiral_canvas.png b/appstore/screenshots/macos/ja/2_spiral_canvas.png
index 7bdadfe..850cc07 100644
Binary files a/appstore/screenshots/macos/ja/2_spiral_canvas.png and b/appstore/screenshots/macos/ja/2_spiral_canvas.png differ
diff --git a/appstore/screenshots/macos/ja/3_spiral_code.png b/appstore/screenshots/macos/ja/3_spiral_code.png
index d9a7543..fbf41d4 100644
Binary files a/appstore/screenshots/macos/ja/3_spiral_code.png and b/appstore/screenshots/macos/ja/3_spiral_code.png differ
diff --git a/appstore/screenshots/macos/ja/4_tree_canvas.png b/appstore/screenshots/macos/ja/4_tree_canvas.png
index 6724519..f1b0059 100644
Binary files a/appstore/screenshots/macos/ja/4_tree_canvas.png and b/appstore/screenshots/macos/ja/4_tree_canvas.png differ
diff --git a/docs/Screenshot.png b/docs/Screenshot.png
index 562a809..7737f2e 100644
Binary files a/docs/Screenshot.png and b/docs/Screenshot.png differ
diff --git a/site/shots/ipad-en-2.png b/site/shots/ipad-en-2.png
index ddc1cae..b84dc33 100644
Binary files a/site/shots/ipad-en-2.png and b/site/shots/ipad-en-2.png differ
diff --git a/site/shots/ipad-en-3.png b/site/shots/ipad-en-3.png
index 6e035cb..7b927cf 100644
Binary files a/site/shots/ipad-en-3.png and b/site/shots/ipad-en-3.png differ
diff --git a/site/shots/ipad-en-4.png b/site/shots/ipad-en-4.png
index 12ae7bb..03dec17 100644
Binary files a/site/shots/ipad-en-4.png and b/site/shots/ipad-en-4.png differ
diff --git a/site/shots/ipad-ja-2.png b/site/shots/ipad-ja-2.png
index 4c89364..8808a7b 100644
Binary files a/site/shots/ipad-ja-2.png and b/site/shots/ipad-ja-2.png differ
diff --git a/site/shots/ipad-ja-3.png b/site/shots/ipad-ja-3.png
index 362697b..233d9bc 100644
Binary files a/site/shots/ipad-ja-3.png and b/site/shots/ipad-ja-3.png differ
diff --git a/site/shots/ipad-ja-4.png b/site/shots/ipad-ja-4.png
index a1daf80..cb131c7 100644
Binary files a/site/shots/ipad-ja-4.png and b/site/shots/ipad-ja-4.png differ
diff --git a/site/shots/mac-en-3.png b/site/shots/mac-en-3.png
index cf36459..2695858 100644
Binary files a/site/shots/mac-en-3.png and b/site/shots/mac-en-3.png differ
diff --git a/site/shots/mac-ja-3.png b/site/shots/mac-ja-3.png
index 2bf9562..93d8338 100644
Binary files a/site/shots/mac-ja-3.png and b/site/shots/mac-ja-3.png differ