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FastCast v0.5.1

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@CalvinSturm CalvinSturm released this 18 Jul 22:54

FastCast v0.5.1 adds command-line recording control: start and stop recording from scripts, Stream Deck buttons, or schedulers while FastCast is running. Recording, streaming, capture, and audio behavior are unchanged from v0.5.0.

Requires Windows 10 (20H1+) or Windows 11, x64. Portable ZIP — no installer needed.

Command-line recording control

With FastCast running, scripts can now start and stop recording:

fastcastc --start-record              # start recording
fastcastc --start-record --monitor 2  # record display 2
fastcastc --stop-record               # stop the recording
  • The commands trigger the same guarded action as the Start/Stop button and the Ctrl+Alt+F9 hotkey, so a recording can never be double-started or stopped when idle.
  • --monitor N records display N (the "Display N" entries of the app's Screen list). The choice sticks like a manual selection; an unknown display number is rejected.
  • Exit codes are script-friendly: 0 for success and for harmless no-ops (already recording / nothing to stop), nonzero for failures (FastCast not running, start failed, unknown display). Output is plain text with no log noise.
  • The ZIP now includes fastcastc.exe next to fastcast.exe — use fastcastc from scripts and shells: it waits for the command and exits with its exit code.
  • FastCast is never launched automatically, and nothing runs in the background — if it isn't running, the command says so and exits nonzero.

Run fastcastc --help for the full CLI reference. The QUICKSTART.txt in the ZIP has a new COMMAND LINE section.

Upgrading from v0.5.0

Unzip v0.5.1 anywhere and run fastcast.exe — your settings are stored separately (under %APPDATA%\FastCast) and carry over automatically. You can delete the old folder.

Download & verify

  • FastCast-0.5.1-win-x64.zip — portable build. Extract and run fastcast.exe.
  • FastCast-0.5.1-win-x64.zip.sha256 — checksum for verifying the download.

Expected SHA-256 for FastCast-0.5.1-win-x64.zip:

1c890d9de1f8da1ddfc70a654e8d9b08e7fd62b8fc11e8e38d82cb334f2f2c88

Verify in PowerShell:

Get-FileHash .\FastCast-0.5.1-win-x64.zip -Algorithm SHA256

This open-beta build is unsigned; Windows SmartScreen may show "Unknown publisher". Click More info → Run anyway only if you trust the download source.

FastCast remains privacy-conscious: no telemetry, no accounts, no crash upload, no background polling, no auto-update. Updates are manual via Check for Updates in the app.