Issues

• Upstream drift: the overlay no longer merges

  area/upstreampriority/p1upstream-drift
  tamnd/mojo.windows#334 · Filter by author github-actions opened on Sep 14, 2026
  3

• mojo build needs the Visual Studio Build Tools and does not say so

  area/buildarea/docspriority/p1type/bug
  tamnd/mojo.windows#333 · Filter by author tamnd opened on Sep 9, 2026 · M6 Tier 2 and native hosting

• A Windows install puts the runtime DLL where nothing can load it

  area/packagingarea/runtimepriority/p1type/bug
  tamnd/mojo.windows#331 · Filter by author tamnd opened on Sep 9, 2026 · M6 Tier 2 and native hosting

• A downloaded install cannot find itself

  area/compilerarea/packagingpriority/p1type/bug
  tamnd/mojo.windows#329 · Filter by author tamnd opened on Sep 9, 2026 · M6 Tier 2 and native hosting

• The C++ unit tests never run on Windows

  area/testneeds-decisionpriority/p1type/task
  tamnd/mojo.windows#321 · Filter by author tamnd opened on Sep 9, 2026 · M7 Steady state

• No lld-link is shipped next to mojo.exe

  area/packagingpriority/p1type/bug
  tamnd/mojo.windows#319 · Filter by author tamnd opened on Sep 9, 2026 · M6 Tier 2 and native hosting

• The REPL on Windows needs an LLDB and a MojoLLDB plugin, not a JIT

  area/compilerblockedpriority/p2type/task
  tamnd/mojo.windows#315 · Filter by author tamnd opened on Sep 9, 2026 · M7 Steady state

• package-windows.sh cannot produce a .pdb archive, the sandbox throws the files away

  area/packagingpriority/p2silent-failuretype/bug
  tamnd/mojo.windows#310 · Filter by author tamnd opened on Sep 8, 2026 · M7 Steady state

• Three scripts use mapfile, which macOS bash does not have

  area/buildpriority/p2type/bug
  tamnd/mojo.windows#309 · Filter by author tamnd opened on Sep 8, 2026 · M7 Steady state

• A broken WSL interop channel reports as 182 test failures instead of one error

  area/buildarea/testpriority/p2silent-failuretype/bug
  tamnd/mojo.windows#296 · Filter by author tamnd opened on Sep 7, 2026 · M7 Steady state
  1

• MLIR type identity does not survive a module boundary on Windows

  area/buildarea/compilerpriority/p2type/bug
  tamnd/mojo.windows#294 · Filter by author tamnd opened on Sep 6, 2026 · M7 Steady state

• Dependabot alerts now scan the overlay lock file and none of them are actionable

  area/buildneeds-decisionpriority/p2type/chore
  tamnd/mojo.windows#258 · Filter by author tamnd opened on Sep 5, 2026 · M7 Steady state

• Add the two Linux regression lanes

  area/testpriority/p1type/task
  tamnd/mojo.windows#225 · Filter by author tamnd opened on Sep 4, 2026 · M7 Steady state

• M8: handover or wind down

  area/docspriority/p2type/epic
  tamnd/mojo.windows#55 · Filter by author tamnd opened on Sep 2, 2026 · M8 Handover or wind down

• M7: steady state

  area/upstreampriority/p2type/epic
  tamnd/mojo.windows#54 · Filter by author tamnd opened on Sep 2, 2026 · M7 Steady state

• M6: tier 2 and native hosting

  area/buildarea/runtimepriority/p2type/epic
  tamnd/mojo.windows#53 · Filter by author tamnd opened on Sep 2, 2026 · M6 Tier 2 and native hosting
  44

• Keep the upstream pin current

  area/upstreampriority/p1type/task
  tamnd/mojo.windows#46 · Filter by author tamnd opened on Sep 2, 2026 · M7 Steady state

• Hand over to official Windows support when it arrives

  area/upstreampriority/p2type/task
  tamnd/mojo.windows#45 · Filter by author tamnd opened on Sep 2, 2026 · M8 Handover or wind down

• Windows on arm64 is out of scope, and why

  area/abipriority/p2type/question
  tamnd/mojo.windows#44 · Filter by author tamnd opened on Sep 2, 2026 · M8 Handover or wind down

• Add win_amd64 to the wheel platform mappings

  area/packagingpriority/p2type/task
  tamnd/mojo.windows#40 · Filter by author tamnd opened on Sep 2, 2026 · M6 Tier 2 and native hosting