Bug 2476441

Summary:	EJS is missing
Product:	[Fedora] Fedora	Reporter:	Jan Kratochvil <jan>
Component:	yt-dlp	Assignee:	Maxwell G <maxwell>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	43	CC:	dominik, maxwell, mikel
Target Milestone:	---
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-05-12 13:35:30 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Jan Kratochvil 2026-05-12 12:12:27 UTC

Google YouTube recently(?) started annoying with some JavaScript requirement.


Reproducible: Always

Steps to Reproduce:
1. yt-dlp -F https://www.youtube.com/watch?v=DR1pS0Q1Fkc

Actual Results:
[youtube] [jsc:node] Solving JS challenges using node
WARNING: [youtube] [jsc] Remote component challenge solver script (node) was skipped. It may be required to solve JS challenges. You can enable the download with  --remote-components ejs:github  (recommended). For more information and alternatives, refer to  https://github.com/yt-dlp/yt-dlp/wiki/EJS
WARNING: [youtube] DR1pS0Q1Fkc: n challenge solving failed: Some formats may be missing. Ensure you have a supported JavaScript runtime and challenge solver script distribution installed. Review any warnings presented before this message. For more details, refer to  https://github.com/yt-dlp/yt-dlp/wiki/EJS
WARNING: Only images are available for download. use --list-formats to see them
[info] Available formats for DR1pS0Q1Fkc:
ID  EXT   RESOLUTION FPS │ PROTO │ VCODEC MORE INFO
────────────────────────────────────────────────────
sb3 mhtml 48x27        0 │ mhtml │ images storyboard
sb2 mhtml 80x45        0 │ mhtml │ images storyboard
sb1 mhtml 160x90       0 │ mhtml │ images storyboard
sb0 mhtml 320x180      0 │ mhtml │ images storyboard


Expected Results:
[youtube] [jsc:node] Solving JS challenges using node
[youtube] DR1pS0Q1Fkc: Downloading m3u8 information
[info] Available formats for DR1pS0Q1Fkc:
ID  EXT   RESOLUTION FPS HDR CH │   FILESIZE    TBR PROTO │ VCODEC           VBR ACODEC      ABR ASR MORE INFO
───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
sb3 mhtml 48x27        0        │                   mhtml │ images                                   storyboard
sb2 mhtml 80x45        0        │                   mhtml │ images                                   storyboard
sb1 mhtml 160x90       0        │                   mhtml │ images                                   storyboard
sb0 mhtml 320x180      0        │                   mhtml │ images                                   storyboard
249 webm  audio only          2 │   23.66MiB    54k https │ audio only           opus        54k 48k low, webm_dash
250 webm  audio only          2 │   31.46MiB    72k https │ audio only           opus        72k 48k low, webm_dash
140 m4a   audio only          2 │   56.47MiB   129k https │ audio only           mp4a.40.2  129k 44k medium, m4a_dash
251 webm  audio only          2 │   60.84MiB   139k https │ audio only           opus       139k 48k medium, webm_dash
91  mp4   256x144     30        │ ~ 95.85MiB   220k m3u8  │ avc1.4D400C          mp4a.40.5
160 mp4   256x144     30        │   32.56MiB    75k https │ avc1.4d400c      75k video only          144p, mp4_dash
278 webm  256x144     30        │   40.57MiB    93k https │ vp9              93k video only          144p, webm_dash
330 webm  256x144     60 10     │   79.97MiB   183k https │ vp9.2           183k video only          144p60 HDR, webm_dash
694 mp4   256x144     60 10     │   53.16MiB   122k https │ av01.0.00M.10   122k video only          144p60 HDR, mp4_dash
92  mp4   426x240     30        │ ~197.86MiB   454k m3u8  │ avc1.4D4015          mp4a.40.5
133 mp4   426x240     30        │   76.78MiB   176k https │ avc1.4d4015     176k video only          240p, mp4_dash
242 webm  426x240     30        │   73.42MiB   168k https │ vp9             168k video only          240p, webm_dash
331 webm  426x240     60 10     │  186.26MiB   427k https │ vp9.2           427k video only          240p60 HDR, webm_dash
695 mp4   426x240     60 10     │  113.97MiB   261k https │ av01.0.01M.10   261k video only          240p60 HDR, mp4_dash
93  mp4   640x360     30        │ ~471.92MiB  1082k m3u8  │ avc1.4D401E          mp4a.40.2
134 mp4   640x360     30        │  159.10MiB   365k https │ avc1.4d401e     365k video only          360p, mp4_dash
18  mp4   640x360     30      2 │  179.82MiB   412k https │ avc1.42001E          mp4a.40.2       22k 360p
243 webm  640x360     30        │  142.77MiB   327k https │ vp9             327k video only          360p, webm_dash
332 webm  640x360     60 10     │  426.58MiB   978k https │ vp9.2           978k video only          360p60 HDR, webm_dash
696 mp4   640x360     60 10     │  241.83MiB   554k https │ av01.0.04M.10   554k video only          360p60 HDR, mp4_dash
94  mp4   854x480     30        │ ~728.69MiB  1671k m3u8  │ avc1.4D401F          mp4a.40.2
135 mp4   854x480     30        │  325.86MiB   747k https │ avc1.4d401f     747k video only          480p, mp4_dash
244 webm  854x480     30        │  259.75MiB   596k https │ vp9             596k video only          480p, webm_dash
333 webm  854x480     60 10     │  829.55MiB  1902k https │ vp9.2          1902k video only          480p60 HDR, webm_dash
697 mp4   854x480     60 10     │  473.95MiB  1087k https │ av01.0.05M.10  1087k video only          480p60 HDR, mp4_dash
136 mp4   1280x720    30        │  690.89MiB  1584k https │ avc1.64001f    1584k video only          720p, mp4_dash
247 webm  1280x720    30        │  544.46MiB  1248k https │ vp9            1248k video only          720p, webm_dash
300 mp4   1280x720    60        │ ~  2.03GiB  4769k m3u8  │ avc1.640020          mp4a.40.2
298 mp4   1280x720    60        │  945.73MiB  2168k https │ avc1.640020    2168k video only          720p60, mp4_dash
302 webm  1280x720    60        │  843.79MiB  1935k https │ vp9            1935k video only          720p60, webm_dash
334 webm  1280x720    60 10     │    1.88GiB  4416k https │ vp9.2          4416k video only          720p60 HDR, webm_dash
698 mp4   1280x720    60 10     │    1.37GiB  3227k https │ av01.0.08M.10  3227k video only          720p60 HDR, mp4_dash
301 mp4   1920x1080   60        │ ~  3.18GiB  7473k m3u8  │ avc1.64002A          mp4a.40.2
299 mp4   1920x1080   60        │    1.76GiB  4127k https │ avc1.64002a    4127k video only          1080p60, mp4_dash
303 webm  1920x1080   60        │    1.28GiB  2999k https │ vp9            2999k video only          1080p60, webm_dash
335 webm  1920x1080   60 10     │    2.90GiB  6800k https │ vp9.2          6800k video only          1080p60 HDR, webm_dash
699 mp4   1920x1080   60 10     │    2.15GiB  5047k https │ av01.0.09M.10  5047k video only          1080p60 HDR, mp4_dash
308 webm  2560x1440   60        │    3.81GiB  8942k https │ vp9            8942k video only          1440p60, webm_dash
336 webm  2560x1440   60 10     │    6.87GiB 16138k https │ vp9.2         16138k video only          1440p60 HDR, webm_dash
700 mp4   2560x1440   60 10     │    5.94GiB 13950k https │ av01.0.12M.10 13950k video only          1440p60 HDR, mp4_dash
315 webm  3840x2160   60        │    7.70GiB 18068k https │ vp9           18068k video only          2160p60, webm_dash
337 webm  3840x2160   60 10     │   11.29GiB 26509k https │ vp9.2         26509k video only          2160p60 HDR, webm_dash
701 mp4   3840x2160   60 10     │   10.46GiB 24556k https │ av01.0.13M.10 24556k video only          2160p60 HDR, mp4_dash
702 mp4   7680x4320   60 10     │   21.05GiB 49417k https │ av01.0.17M.10 49417k video only          4320p60 HDR, mp4_dash


Additional Information:
It is enough to:
dnf copr enable nucleo/yt-dlp-ejs 
dnf install yt-dlp-ejs nodejs
yt-dlp: add option --js-runtimes node

Comment 1 Maxwell G 2026-05-12 13:35:30 UTC

Thanks for the report. This is a known issue. See <https://bugzilla.redhat.com/show_bug.cgi?id=2405578#c4>, and in the future, please check existing bug reports first.

*** This bug has been marked as a duplicate of bug 2405578 ***