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Change how the --test-type option is handled in stealth mode #4555

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@mdmintz

Change how the --test-type option is handled in stealth mode

By default, SeleniumBase currently sets --test-type so that startup infobars are suppressed.
However, at least one site has been known to use that to detect automation.

This configuration may have to be changed.

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  1. self-assigned this
    on Nov 13, 2026
  2. changed the title [-]Add option to not use the `--test-type` option by default[/-] [+]Change how the `--test-type` option is handled in stealth mode[/+] on Nov 13, 2026
  3. mdmintz commented on Nov 13, 2026

    @mdmintz
    MemberAuthor

    The plan is: --test-type won't be set by default anymore unless the proxy arg is set.

    If a user still doesn't want --test-type to be automatically set when using a proxy, then they can set the new --no-tt / no_tt=True option. (This new option allows full stealth with a proxy, but you'll see the harmless message: You are using an unsupported command-line flag: --ignore-certificate-errors. Stability and security will suffer., which won't affect stealth, but it may become an annoyance.) It's going to be a trade-off.

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UC Mode / CDP ModeUndetected Chromedriver Mode and/or CDP ModeenhancementMaking things better

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