diff --git a/assets/launcher/bug.png b/assets/launcher/bug.png
index 6c7bc24d..263ca0d3 100644
Binary files a/assets/launcher/bug.png and b/assets/launcher/bug.png differ
diff --git a/src/import/LauncherView.lua b/src/import/LauncherView.lua
index 9f001eb2..fba64c35 100644
--- a/src/import/LauncherView.lua
+++ b/src/import/LauncherView.lua
@@ -233,6 +233,22 @@ function LauncherView.clickAt(imp, x, y)
   imp._clickPt = { x = x, y = y }
 end
 
+-- Event-driven click: a macOS trackpad tap delivers press+release inside one
+-- frame, so update()'s love.mouse.isDown poll never sees it.  Mint the click
+-- from the press event under the poll's own suppression rules, and mark the
+-- press seen so the poll cannot mint a second one when isDown does catch it.
+function LauncherView.mousepressed(imp, x, y)
+  if not imp._flex then return end
+  local now = love.timer.getTime()
+  local touching = imp._touchAt ~= nil and next(imp._touchAt) ~= nil
+  if touching or now < (imp._suppressMouseUntil or 0)
+      or now < (imp._suppressClickUntil or 0) then
+    return
+  end
+  imp._clickPt = { x = x, y = y }
+  imp._prevMouseDown = true
+end
+
 -- Keyboard focus ring.  Returns true when the key was consumed.  Arrows arm
 -- the ring; Enter only activates a focused control once the user has actually
 -- used the arrows this session, so the long-standing "Enter plays the visible
@@ -580,7 +596,7 @@ local function cartridgeButton(imp, x, y, w, h, key, version, gameName, action)
   end
 
   local halfW, halfH = w / 2, h / 2
-  local depth = math.max(8, w * 0.14)
+  local depth = math.max(6, w * 0.10)
   local project = function(px, py, pz)
     return cartProject(cx + pressX, cy + pressY, yaw, pitch,
       px * pressedScale, py * pressedScale, pz * pressedScale)
@@ -623,6 +639,7 @@ local function cartridgeButton(imp, x, y, w, h, key, version, gameName, action)
   cartPolygon({ mainFront[2], mainFront[3], mainBack[3], mainBack[2] }, side, 1)
   cartPolygon({ mainFront[3], mainFront[4], mainBack[4], mainBack[3] }, side, 1)
   cartPolygon({ mainFront[1], mainFront[2], mainBack[2], mainBack[1] }, side, 1)
+  cartPolygon({ mainFront[4], mainFront[1], mainBack[1], mainBack[4] }, side, 1)
   cartPolygon({ capFront[2], capFront[3], capBack[3], capBack[2] }, side, 1)
   cartPolygon({ capFront[1], capFront[2], capBack[2], capBack[1] }, side, 1)
   cartPolygon({ capFront[4], capFront[1], capBack[1], capBack[4] }, side, 1)
@@ -632,6 +649,31 @@ local function cartridgeButton(imp, x, y, w, h, key, version, gameName, action)
   else
     cartPolygon(mainBack, side, 1)
     cartPolygon(capBack, side, 1)
+    -- The tri-wing security screw: a domed brass head with three teardrop
+    -- recesses pinwheeled at 120 degrees.
+    local backZ = -(depth + 0.8)
+    local sd = math.min(w, h) * 0.11
+    cartPill(project, -sd * 0.62, -sd * 0.62, sd * 1.24, sd * 1.24, backZ,
+      { math.floor(shell[1] * 0.4), math.floor(shell[2] * 0.4),
+        math.floor(shell[3] * 0.4) }, 0.9)
+    cartPill(project, -sd / 2, -sd / 2, sd, sd, backZ - 0.4,
+      { 196, 186, 148 }, 1)
+    cartPill(project, -sd * 0.32, -sd * 0.32, sd * 0.64, sd * 0.64,
+      backZ - 0.6, { 220, 212, 178 }, 0.8)
+    local r = sd / 2
+    for k = 0, 2 do
+      local a = -math.pi / 2 + k * (2 * math.pi / 3)
+      local ux, uy = math.cos(a), math.sin(a)
+      local vx, vy = -uy, ux
+      local r0, r1 = r * 0.16, r * 0.82
+      local w0, w1 = r * 0.13, r * 0.3
+      cartPolygon({
+        { project(ux * r0 + vx * w0, uy * r0 + vy * w0, backZ - 0.8) },
+        { project(ux * r0 - vx * w0, uy * r0 - vy * w0, backZ - 0.8) },
+        { project(ux * r1 - vx * w1, uy * r1 - vy * w1, backZ - 0.8) },
+        { project(ux * r1 + vx * w1, uy * r1 + vy * w1, backZ - 0.8) },
+      }, { 112, 104, 76 }, 1)
+    end
   end
 
   if frontFacing then
@@ -1119,7 +1161,7 @@ local function buildHeader(imp, m)
   end
   tx = tx + dropW + tabGap
 
-  for _, t in ipairs(tabs) do
+  local function headerTab(t)
     local w = tabH
     if tx > tabLeft and tx + w > tabRight then
       tx = tabLeft
@@ -1132,6 +1174,11 @@ local function buildHeader(imp, m)
     btn(imp, tx, ty, w, tabH, t.key, "", o)
     tx = tx + w + tabGap
   end
+  -- The bug-report chip sits LAST, past the sync chip.
+  local bugTab
+  for _, t in ipairs(tabs) do
+    if t.id == "bug" then bugTab = t else headerTab(t) end
+  end
 
   do
     local w = tabH
@@ -1153,6 +1200,7 @@ local function buildHeader(imp, m)
     end
     tx = tx + w + tabGap
   end
+  if bugTab then headerTab(bugTab) end
 
   -- `ty` has walked down with the wraps, so this stays correct at one row too.
   y = ty + tabH + math.floor(8 * m.s)
@@ -2840,6 +2888,8 @@ local function buildConfirmModal(imp, m)
           imp:_setAllMods(true, true)
         elseif c.kind == "importOversize" then
           imp:_importSave(c.version, c.source, true)
+        elseif c.kind == "largeImport" then
+          imp:_importRequiredSource(c.modId, c.importId, c.source, true)
         else
           imp:_toggleMod(c.id, true, c.version)
         end
diff --git a/src/import/RomImporter.lua b/src/import/RomImporter.lua
index 4cbb2fc4..9ce176ff 100644
--- a/src/import/RomImporter.lua
+++ b/src/import/RomImporter.lua
@@ -2060,7 +2060,7 @@ function RomImporter:_importRequiredData(modId, importId, data)
   return nil
 end
 
-function RomImporter:_importRequiredSource(modId, importId, source)
+function RomImporter:_importRequiredSource(modId, importId, source, confirmed)
   local manifest = requiredManifest(self, modId)
   local spec = manifest and requiredSpec(manifest, importId)
   if not spec then
@@ -2068,14 +2068,31 @@ function RomImporter:_importRequiredSource(modId, importId, source)
     self.modNotice = nil
     return nil
   end
+  local RequiredImports = require("src.mods.RequiredImports")
   local info = love.filesystem.getInfo(source, "file")
   local size = info and info.size or externalFileSize(source)
-  local sizeErr = require("src.mods.RequiredImports").sizeError(spec, size, false)
+  local sizeErr = RequiredImports.sizeError(spec, size, false)
   if sizeErr then
     requiredImportNotice(self, modId, importId, sizeErr)
     self.modNotice = nil
     return nil
   end
+  if not confirmed and type(size) == "number"
+      and size > RequiredImports.LARGE_WARN_BYTES then
+    self._modConfirm = {
+      kind = "largeImport",
+      modId = modId, importId = importId, source = source,
+      title = Strings("Large import"),
+      lines = {
+        Strings("This is a large import (%s).",
+          RequiredImports.sizeLabel(size)),
+        Strings("Please ensure you have enough space on your"),
+        Strings("device before doing this."),
+      },
+      yesLabel = Strings("I understand"),
+    }
+    return nil
+  end
   local data = love.filesystem.read(source)
   if not data then data = readExternalPath(source) end
   if not data then
@@ -2118,8 +2135,13 @@ function RomImporter:chooseRequiredImport(modId, importId)
       if name:sub(1, 1) ~= "." then
         local path = inbox .. "/" .. name
         local info = love.filesystem.getInfo(path, "file")
-        local sizeErr = info and require("src.mods.RequiredImports")
-          .sizeError(spec, info.size, false)
+        local RequiredImports = require("src.mods.RequiredImports")
+        local sizeErr = info
+          and RequiredImports.sizeError(spec, info.size, false)
+        if info and not sizeErr
+            and info.size > RequiredImports.LARGE_WARN_BYTES then
+          return self:_importRequiredSource(modId, importId, path)
+        end
         local data = not sizeErr and love.filesystem.read(path) or nil
         if data and self:_importRequiredData(modId, importId, data) then return end
         if sizeErr then lastError = sizeErr
@@ -3098,8 +3120,10 @@ end
 -- multi-monitor coords).  Same contract as PadCursor.yieldToPointer for
 -- the overlay hosts.  Touch move/press/release must still reach
 -- FlexLove.touch* or scroll containers never drag on phones.
-function RomImporter:mousepressed()
+function RomImporter:mousepressed(x, y, button)
   self._padCursorActive = false
+  if button ~= 1 or not self._flex then return end
+  require("src.import.LauncherView").mousepressed(self, x, y)
 end
 
 function RomImporter:touchpressed(id, x, y, dx, dy, pressure)
diff --git a/src/mods/Manifest.lua b/src/mods/Manifest.lua
index 92544589..865b9f03 100644
--- a/src/mods/Manifest.lua
+++ b/src/mods/Manifest.lua
@@ -195,8 +195,8 @@ local function parseImports(value, field, required)
       if value == nil then return end
       assert(type(value) == "number" and value > 0 and value % 1 == 0,
         field .. " " .. label .. " must be a positive integer")
-      assert(value <= 128 * 1024 * 1024,
-        field .. " " .. label .. " exceeds the 128 MiB hard limit")
+      assert(value <= 2 * 1024 * 1024 * 1024,
+        field .. " " .. label .. " exceeds the 2 GiB hard limit")
     end
     validateSize(size, "size")
     validateSize(maxSize, "max_size")
diff --git a/src/mods/RequiredImports.lua b/src/mods/RequiredImports.lua
index 167c263f..806e916e 100644
--- a/src/mods/RequiredImports.lua
+++ b/src/mods/RequiredImports.lua
@@ -23,11 +23,17 @@ local function isRequired(spec)
 end
 
 RequiredImports.specs = allSpecs
-RequiredImports.MAX_BYTES = 128 * 1024 * 1024
+RequiredImports.MAX_BYTES = 2 * 1024 * 1024 * 1024
+-- Past this, the launcher interposes a free-space warning before importing.
+RequiredImports.LARGE_WARN_BYTES = 128 * 1024 * 1024
 
 local function sizeLabel(bytes)
+  if bytes >= 1024 * 1024 * 1024 then
+    return ("%.1f GiB"):format(bytes / (1024 * 1024 * 1024))
+  end
   return ("%.1f MiB"):format(bytes / (1024 * 1024))
 end
+RequiredImports.sizeLabel = sizeLabel
 
 -- Check size before a caller reads an external or stored file into one large
 -- Lua string. N64 sources may carry a 512-byte copier header, while stored