Hi Oliver,

SDR++ is one popular project that pulls from these binaries. The issue only came up just now because Blog V4L (Lite) support wasn't working after they updated to the latest build from the ftp. 

It must have been working back in 2023, because that's when Blog V4 support was added, and the binaries have picked up that change. So probably only 2-3 years that it has been failing.

Regards,
Carl

On Sat, Oct 24, 2026 at 1:01 AM <osmocom-sdr-request@lists.osmocom.org> wrote:
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Today's Topics:

   1. Osmocom Windows binaries not built on up to date code?
      (Carl Laufer)
   2. Re: Osmocom Windows binaries not built on up to date code?
      (Oliver Smith)


----------------------------------------------------------------------

Message: 1
Date: Fri, 23 Oct 2026 18:19:05 +1300
From: Carl Laufer <admin@rtl-sdr.com>
Subject: Osmocom Windows binaries not built on up to date code?
To: osmocom-sdr@lists.osmocom.org
Message-ID:
        <CAP8SZq1LJkOkuvRNdycOdce3-3L1sExHv-PWBnjc5ByqHRfXOw@mail.gmail.com>
Content-Type: multipart/alternative;
        boundary="000000000000b6b60a065e7b204c"

Hi,

I've just been testing out the latest Windows builds at
https://ftp.osmocom.org/binaries/windows/rtl-sdr/, but they do not seem to
be up to date.

I tested the latest October 18 2026 zip file, and found that rtl_test does
not detect the RTL-SDR Blog V4L.

But if I compile from source from the Osmocom rtl-sdr GitHub, I get working
V4L support for Windows and Linux, so the source is working fine.

So it seems that the automatic builds are not working correctly and are
using old code to build librtlsdr.dll and possibly everything else?

Regards,
Carl Laufer
RTL-SDR.com <http://rtl-sdr.com/> & krakenrf.com
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Message: 2
Date: Fri, 23 Oct 2026 09:27:07 +0200
From: Oliver Smith <osmith@sysmocom.de>
Subject: Re: Osmocom Windows binaries not built on up to date code?
To: osmocom-sdr@lists.osmocom.org
Message-ID: <76d68248-4235-4bac-825d-0477bc8ec79b@sysmocom.de>
Content-Type: text/plain; charset=UTF-8; format=flowed

Hello Carl,

On 10/23/26 07:19, Carl Laufer wrote:
> Hi,
>
> I've just been testing out the latest Windows builds at https://
> ftp.osmocom.org/binaries/windows/rtl-sdr/ <https://ftp.osmocom.org/
> binaries/windows/rtl-sdr/>, but they do not seem to be up to date.

Thank you for bringing this up. I looked at how it works, and indeed
there was just an old, unmaintained jenkins job that fetches binaries
from this upstream project among others:

https://build.opensuse.org/project/show/network:osmocom:mingw:mingw32

As it says there, this was last changed 7 years ago. The jenkins job
just repackaged the same binaries every week into a zip file and
published them under the current date.

I have now removed the jenkins job as it is clearly not useful in its
current form, and created https://osmocom.org/issues/6706 in case we may
want to bring back and modernize this at some point. Given that nobody
else has complained over the last 7 years, it seems nobody is using this
though.

Best regards,
Oliver

--
- Oliver Smith <osmith@sysmocom.de>            https://www.sysmocom.de/
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* 10551 Berlin, Germany
* Sitz / Registered office: Berlin, HRB 134158 B
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