diff --git a/.gitignore b/.gitignore
index 4ffac2bfbf..9937dd1d86 100644
--- a/.gitignore
+++ b/.gitignore
@@ -376,6 +376,27 @@ fedac/out/
 # Fedac native build artifacts (kernel sources, object files, images)
 fedac/native/build/
 
+# Fedac scratch directories from earlier kiosk experiments
+.fedac-work/
+
+# Swift / Xcode build directory for the AC VST plugin (CMake/JUCE output).
+# History was tree-shaken on 2026-04-29 to evict 309 MB of pack bloat —
+# do not let it back in.
+ac-vst/build/
+
+# Electron native module build output (regenerated by node-gyp)
+ac-electron/native/*/build/
+
+# Android release artifacts (the APK lives on a CDN, not in source)
+android/app/release/*.apk
+
+# Tezos CLI bundles (re-downloadable from origin)
+tezos/smartpy-cli.zip
+
+# Generated PDF bifolds — TeX/HTML/MJS source remains in-repo
+gigs/dis-order-pamphlet-8.5x11-folded/*.pdf
+gigs/fundraiser-checklist/fundraiser-poster.pdf
+
 # External project artifacts (not part of AC repo)
 surface-architecture.html