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v0.4.1 - 2026-08-18

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@github-actions github-actions released this 18 Aug 16:14
v0.4.1
893db68

Release Notes

Five fixes, all of them the program reporting something nobody measured. Four
were found by driving Competizione for the first time; one of them has been
wrong on Assetto Corsa since v0.4.0.

Fixed

  • One long slide was counted as hundreds of separate incidents. The
    counters added one per sample, so "Oversteer: 1454x" and understeer at 1105 a
    lap could arrive for the same lap — one condition, counted twice. An episode
    is counted once now, when it starts.
  • A symptom was blamed on the driver even when the driving never varied.
    The car-versus-driver rule has two halves and only one was checked, so four
    laps driven to the same time came out as "the driving" — the one thing it
    cannot be.
  • The engineer said nothing at all for the first three laps. It still will
    not say whose a symptom is before it has a stint, but it reports what
    happened from lap one. A two-lap sprint was silent.
  • "Bottoming out" was warned on every lap of Assetto Corsa. Ride height is
    in metres and the threshold was written in millimetres, so an ordinary 62 mm
    read as under the floor — and printed itself back as "0 mm".
  • Ride height, tread temperature and wind were drawn as zeros on
    Competizione    , which the game does not publish. Ice-cold tyres and a car on
    the tarmac are plausible readings, which is what made them worse than an
    error. All three say "not measured" now, and the launcher lists them.
  • A telemetry page left by an earlier run could be read as a live session.
    The Proton helper sized the file it created and never cleared it. Zeroed, it
    reads as "waiting" — which is what it is.

Changed

  • The Windows build is now run in testing, not only compiled:
    ./tools/test-windows.sh puts the whole suite through Wine.
  • Removed a "car control" score that was computed every lap and shown nowhere.

Linux and Steam Deck

The Proton helper changed. After updating, press [B] on the launcher's
overlay card to fetch the matching shm-bridge.exe — it is published with this
release.

ac_tui 0.4.1

Install ac_tui 0.4.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/Rgosh/ac-pro-engineer/releases/download/v0.4.1/ac_tui-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/Rgosh/ac-pro-engineer/releases/download/v0.4.1/ac_tui-installer.ps1 | iex"

Download ac_tui 0.4.1

File Platform Checksum
ac_tui-x86_64-pc-windows-gnu.zip x64 MinGW checksum
ac_tui-x86_64-unknown-linux-gnu.tar.gz x64 Linux checksum

shm-bridge 0.4.1

Install shm-bridge 0.4.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/Rgosh/ac-pro-engineer/releases/download/v0.4.1/shm-bridge-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/Rgosh/ac-pro-engineer/releases/download/v0.4.1/shm-bridge-installer.ps1 | iex"

Download shm-bridge 0.4.1

File Platform Checksum
shm-bridge-x86_64-pc-windows-gnu.zip x64 MinGW checksum
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