tv4play.se is seemingly broken

[Adriyst]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2021.01.24.1
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones

Verbose log

~ $ youtube-dl -v -F https://www.tv4play.se/program/nyheterna/avsnitt/13315940 
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', '-F', 'https://www.tv4play.se/program/nyheterna/avsnitt/13315940']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2021.01.24.1
[debug] Python version 3.7.9 (CPython) - Linux-5.5.8-200.fc31.x86_64-x86_64-with-fedora-31-Thirty_One
[debug] exe versions: ffmpeg 4.2.4, ffprobe 4.2.4
[debug] Proxy map: {}
[generic] 13315940: Requesting header
WARNING: Falling back on generic information extractor.
[generic] 13315940: Downloading webpage
[generic] 13315940: Extracting information
[info] Available formats for https://static-assets.b17g.net/logos/fyran-logo:
format code  extension  resolution note
0            svg        unknown

Description

Running youtube-dl with the -F flag on the URL https://www.tv4play.se/program/nyheterna/avsnitt/13315940 reveals that it only finds a svg, where it should have found m4a. It has worked until recently.