Open Divergence Radar Catalog Method Feedback

Is yt-dlp/yt-dlp the fork of blackjack4494/yt-dlc?

yt-dlp/yt-dlp subject · fork candidate fork of? blackjack4494/yt-dlc object · upstream base

yt-dlc-yt-dlp · status confirmed

Data verified at: 2026-09-18T19:00:28.967Z (UTC)

Conclusion status

A human reviewer approved this relationship for the exact current evidence at 2026-09-20T08:19:11.135Z (UTC). The evidence below is the basis of that decision.

Evidence suggests yt-dlp/yt-dlp is a fork of blackjack4494/yt-dlc. Human review required before publication.

Seed context: 2026-09-19 researched candidate; NOT APPROVED. New README explicitly identifies now inactive youtube-dlc as its base; continuing maintenance and release verified. Community continuation, not exclusive official successor of youtube-dl. Primary sources: https://github.com/yt-dlp/yt-dlp and https://github.com/blackjack4494/yt-dlc. Raw API evidence: succession-research-20260919.json. Await normal collector ingestion; API quota exhausted.

Evidence (1)

Verbatim excerpts from official sources, whitespace-normalized. Full payloads are hashed and retained by the pipeline; collection failures never fabricate evidence.

fork_claim

The project is a fork of youtube-dl based on the now inactive youtube-dlc.
Source
Official source
Revision
d15d9a9682…d15d9a96829bcd7c16afddc7244e2a9f95a53403
First observed
2026-09-18T17:00:28.097Z

Observed repository facts

As of the last verified collection. These are facts about the snapshots, not activity verdicts — a low number is not a claim that a project is inactive.

EndpointRepoStarsLast pushForkArchived
yt-dlp/yt-dlp yt-dlp/yt-dlp 191559 2026-09-16T07:48:51Z no no
blackjack4494/yt-dlc blackjack4494/yt-dlc 3044 2021-09-27T23:12:19Z no no

Versions & deployment facts

Official release and package declarations, compared independently of the relationship verdict. These are not installation tests or a migration guarantee. Missing declarations mean unknown.

Version-scoped runtime comparison — literal declarations, not migration advice
yt-dlp/yt-dlpblackjack4494/yt-dlc

Unknown: no collected package runtime declaration.

Unknown: no collected package runtime declaration.

Coverage and version-matching notes (1)

yt-dlp/yt-dlp · pyproject.toml: No matching published package version was established.

yt-dlp/yt-dlp

Release-pinned deployment declarations

Release commit · 2026.08.19 · complete

Commit: 3a08beaf031ab68f966401ead017ac81fe8486cf

Collection endpoint (may change) · Observed 2026-09-18T21:01:14.558Z

Response SHA-256: 4d9e2a81a3d35fec9bf1545b497f7a16178f89282a960a03ff3323586859fb5f

Release tree · 2026.08.19 · complete

Commit: 3a08beaf031ab68f966401ead017ac81fe8486cf

Collection endpoint (may change) · Observed 2026-09-18T21:01:14.558Z

File search coverage: selected_manifest_names. Only selected manifest filenames were searched; fixtures and vendored dependency directories are excluded. Unlisted declarations remain unknown.

Response SHA-256: 6417964c9301beb094079dcf39679d91917c447fab515b74261e29c63d26e3e3

pyproject.toml · 2026.08.19 · complete

Commit: 3a08beaf031ab68f966401ead017ac81fe8486cf

Commit-pinned source · Observed 2026-09-18T21:01:14.558Z

File context: unspecified. Package version in file: not declared.

Runtime declaration in this file
{
  "python": ">=3.10"
}
Services and dependency roles

No service declarations extracted from this file; production requirements remain unknown.

Container configuration

Dynamic or tool-specific Python metadata is not resolved.

Response SHA-256: b229c1dd27c54b956bae516a5e1a66b1b92694d1f1d2a4c4e516465b3c94230d

bundle/docker/compose.yml · 2026.08.19 · complete

Commit: 3a08beaf031ab68f966401ead017ac81fe8486cf

Commit-pinned source · Observed 2026-09-18T21:01:14.558Z

File context: unspecified. Package version in file: not declared.

Runtime declaration in this file
Not declared / unknown
Services and dependency roles
linux_x86_64 · build or unresolved image

Activation: default_in_this_file; profiles: none.

Production requirement: unknown. External-service role: unknown.

    linux_x86_64_verify · build or unresolved image

    Activation: default_in_this_file; profiles: none.

    Production requirement: unknown. External-service role: unknown.

      linux_aarch64 · build or unresolved image

      Activation: default_in_this_file; profiles: none.

      Production requirement: unknown. External-service role: unknown.

        linux_aarch64_verify · build or unresolved image

        Activation: default_in_this_file; profiles: none.

        Production requirement: unknown. External-service role: unknown.

          linux_armv7l · build or unresolved image

          Activation: default_in_this_file; profiles: none.

          Production requirement: unknown. External-service role: unknown.

            linux_armv7l_verify · build or unresolved image

            Activation: default_in_this_file; profiles: none.

            Production requirement: unknown. External-service role: unknown.

              musllinux_x86_64 · build or unresolved image

              Activation: default_in_this_file; profiles: none.

              Production requirement: unknown. External-service role: unknown.

                musllinux_x86_64_verify · build or unresolved image

                Activation: default_in_this_file; profiles: none.

                Production requirement: unknown. External-service role: unknown.

                  musllinux_aarch64 · build or unresolved image

                  Activation: default_in_this_file; profiles: none.

                  Production requirement: unknown. External-service role: unknown.

                    musllinux_aarch64_verify · build or unresolved image

                    Activation: default_in_this_file; profiles: none.

                    Production requirement: unknown. External-service role: unknown.

                      Container configuration

                      Services and dependency edges apply only to this Compose file. Profiles do not establish optional production dependencies; production requirements remain unknown.

                      Response SHA-256: 8ef7da755189a77f6a8ca0f327a105d9d9116b3c3d3dd72c59372862f170686c

                      bundle/docker/linux/Dockerfile · 2026.08.19 · complete

                      Commit: 3a08beaf031ab68f966401ead017ac81fe8486cf

                      Commit-pinned source · Observed 2026-09-18T21:01:14.558Z

                      File context: unspecified. Package version in file: not declared.

                      Runtime declaration in this file
                      Not declared / unknown
                      Services and dependency roles

                      No service declarations extracted from this file; production requirements remain unknown.

                      Container configuration

                      $BUILDIMAGE · build_base_or_stage · requested platform: unknown. Requested platform is not proof of an available image.

                      $VERIFYIMAGE · build_base_or_stage · requested platform: unknown. Requested platform is not proof of an available image.

                      FROM images are build-stage inputs, not proof of a published project image or minimum runtime.

                      Response SHA-256: 43423426e5f8f90b6485a13394820242501969f72a9786a5ed356d77e77e0a33

                      GitHub release · 2026.08.19 · complete

                      Official source

                      GitHub latest published non-prerelease (not a semantic-version ranking). Verified: 2026-09-19T21:00:28.276Z (UTC).

                      Listed release assets only. Asset names do not prove platform support or successful execution.

                      Runtime declarations
                      Not declared / unknown
                      Operating systems
                      Not declared / unknown
                      CPU architectures
                      Not declared / unknown
                      C libraries
                      Not declared / unknown
                      Direct dependency declarations
                      Not declared / unknown
                      Published artifacts (24)
                      Provenance

                      Parser: software-1

                      First observed: 2026-09-18T20:01:03.910Z (UTC)

                      Last checked: 2026-09-19T21:00:28.276Z (UTC)

                      Source response SHA-256: b84dc5ad39ad887a9307c63b87413062be994f76950644dbccc1764b2c3588b0

                      blackjack4494/yt-dlc

                      Release-pinned deployment declarations

                      Release commit · 2020.11.11-3 · complete

                      Commit: 97d391cd0d66dc9284db24b2cc4c6585ddd0389d

                      Collection endpoint (may change) · Observed 2026-09-18T21:01:14.558Z

                      Response SHA-256: d8583b7e6c1d0f1c5607e17ba301aa90d8ba7fc2548c5529beda3e2ab7c2686f

                      Release tree · 2020.11.11-3 · complete

                      Commit: 97d391cd0d66dc9284db24b2cc4c6585ddd0389d

                      Collection endpoint (may change) · Observed 2026-09-18T21:01:14.558Z

                      File search coverage: selected_manifest_names. Only selected manifest filenames were searched; fixtures and vendored dependency directories are excluded. Unlisted declarations remain unknown.

                      Response SHA-256: c74217c67d4acd39fe0c72fdb75acd4a844936f4513e80ae254af1bd2c64c89a

                      GitHub release · 2020.11.11-3 · complete

                      Official source

                      GitHub latest published non-prerelease (not a semantic-version ranking). Verified: 2026-09-19T21:00:28.276Z (UTC).

                      Listed release assets only. Asset names do not prove platform support or successful execution.

                      Runtime declarations
                      Not declared / unknown
                      Operating systems
                      Not declared / unknown
                      CPU architectures
                      Not declared / unknown
                      C libraries
                      Not declared / unknown
                      Direct dependency declarations
                      Not declared / unknown
                      Published artifacts (4)
                      Provenance

                      Parser: software-1

                      First observed: 2026-09-18T20:01:03.910Z (UTC)

                      Last checked: 2026-09-19T21:00:28.276Z (UTC)

                      Source response SHA-256: a988aed7155b45d92c595f314faf2876ec30393f22927ac61426e08df07d02d1

                      Timeline

                      “Event time” is an upstream timestamp when the source provides one; “first observed” is when this project saw it. They are deliberately separate columns.

                      EventEvent timeFirst observedSource
                      yt-dlp/yt-dlp metadata first observed 2026-09-16T14:37:28.732+00:00 link
                      recent commit activity of yt-dlp/yt-dlp observed (5 commits in sampled window) 2026-09-16T07:48:51Z 2026-09-16T14:44:59.662+00:00 link
                      automatic evaluation -> needs_review 2026-09-18T17:00:28.097Z
                      evidence: fork_claim 2026-09-18T17:00:28.097Z link
                      blackjack4494/yt-dlc metadata first observed 2026-09-18T19:00:28.967Z link
                      recent commit activity of blackjack4494/yt-dlc observed (5 commits in sampled window) 2021-08-23T02:00:51Z 2026-09-18T19:00:29.602Z link
                      human decision: approve 2026-09-20T08:19:11.135Z

                      Decision and dispute history

                      Review decisions are recorded privately with reasons that stay internal; this public history shows what happened and when, not why.

                      KindWhen (UTC)
                      automatic evaluation → needs_review2026-09-18T17:00:28.097Z
                      human decision: approve2026-09-20T08:19:11.135Z

                      To question this report, use the feedback form, select “data error”, and include pair ID yt-dlc-yt-dlp. Feedback is reviewed privately and does not change a report automatically.

                      Snapshot taken at 2026-09-20T12:00:28.104Z (UTC).