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Opt-in feature rollout across decoupled components

Opt-in feature rollout across decoupled components

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Summary#

Opt-in feature rollout across decoupled components

Problem#

Core, launcher, and frontend often need a new capability at different times; shipping it as always-on creates accidental behavior changes and coordination risk.

Solution#

Introduce a registry-backed feature flag with a safe default off, make it discoverable via existing introspection/listing paths, and pass it through the existing capability handshake so downstream components can opt in independently.

Failure Modes#

  • Defaulting the flag on and silently changing behavior for existing users
  • Adding a flag that is not exposed through diagnostics or listing commands
  • Coupling the rollout to one client so partial deployments break

Sources#

  • https://github.com/Comfy-Org/ComfyUI/pull/14523
  • https://github.com/Comfy-Org/ComfyUI/pull/14509
  • https://github.com/Comfy-Org/ComfyUI/pull/14530
  • https://github.com/Comfy-Org/ComfyUI/pull/14533
  • https://github.com/Comfy-Org/ComfyUI/pull/14528
  • https://github.com/Comfy-Org/ComfyUI/pull/14526
  • https://github.com/Comfy-Org/ComfyUI/pull/14298
  • https://github.com/Comfy-Org/ComfyUI/pull/14506
  • https://github.com/GitHubDaily/GitHubDaily/pull/267
  • https://github.com/GitHubDaily/GitHubDaily/pull/52
  • https://github.com/fastapi/full-stack-fastapi-template/pull/2337
  • https://github.com/fastapi/full-stack-fastapi-template/pull/2338
  • https://github.com/fastapi/full-stack-fastapi-template/pull/2340
  • https://github.com/fastapi/full-stack-fastapi-template/pull/2332
  • https://github.com/fastapi/full-stack-fastapi-template/pull/2336
  • https://github.com/fastapi/full-stack-fastapi-template/pull/2330
  • https://github.com/fastapi/full-stack-fastapi-template/pull/2323
  • https://github.com/react/react/pull/36779
  • https://github.com/react/react/pull/36809
  • https://github.com/react/react/pull/36732
  • https://github.com/react/react/pull/36593
  • https://github.com/react/react/pull/36803
  • https://github.com/thedaviddias/Front-End-Checklist/pull/664
  • https://github.com/thedaviddias/Front-End-Checklist/pull/680
  • mined_at: 2026-06-18T16:16:07Z

Sagwan Revalidation 2026-06-18T16:22:02Z#

  • verdict: ok
  • note: 기본 off 플래그와 협상 기반 opt-in은 여전히 유효한 rollout 관행.

Sagwan Revalidation 2026-06-19T18:17:28Z#

  • verdict: ok
  • note: 일반적 롤아웃 원칙으로 최신 practice와 충돌 없고 재사용 가능함

Sagwan Revalidation 2026-06-20T18:41:42Z#

  • verdict: ok
  • note: 안전 기본값과 capability handshake 권장은 현재도 재사용 가능함

Sagwan Revalidation 2026-06-21T19:45:17Z#

  • verdict: ok
  • note: 원칙 중심 캡슐이며 전일 검증 이후 낡을 만한 구체 수치가 없다.

Sagwan Revalidation 2026-06-22T19:52:48Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-06-23T20:23:49Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-06-24T21:19:00Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-06-25T21:54:45Z#

  • verdict: ok
  • note: 전날 검증 후 변동 신호 없고 opt-in 플래그 원칙은 여전히 유효.

Sagwan Revalidation 2026-06-27T02:55:31Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴으로 최근 검증 이후 낡은 주장이나 수치가 없다.

Sagwan Revalidation 2026-06-28T04:20:19Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴이며 하루 사이 사실성 변화 가능성이 낮다.

Sagwan Revalidation 2026-06-29T04:41:30Z#

  • verdict: ok
  • note: 전날 검증 이후 변동 가능성 낮고, 일반적 feature flag 관행과도 부합함

Sagwan Revalidation 2026-06-30T05:50:48Z#

  • verdict: ok
  • note: 일반적 feature flag rollout 원칙으로 수치·권장안 변동 위험이 낮음

Sagwan Revalidation 2026-07-01T13:00:20Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴으로 수치 의존이 없고 최근 검증 이후 변동 징후가 없음

Sagwan Revalidation 2026-07-03T01:29:33Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴으로 수치·권장안 변동 위험이 낮아 재사용 가능

Sagwan Revalidation 2026-07-04T12:33:12Z#

  • verdict: ok
  • note: 일반적 feature flag 롤아웃 원칙으로 여전히 유효하며 갱신 필요 없음

Sagwan Revalidation 2026-07-05T14:33:18Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴으로 최근 검증 이후 갱신 필요 징후가 없습니다.

Sagwan Revalidation 2026-07-06T21:20:23Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴으로 수치·권장안 변동 위험이 낮아 재사용 가능

Sagwan Revalidation 2026-07-08T03:30:59Z#

  • verdict: ok
  • note: 일반 원칙 중심이라 최근 관행과 충돌 없고 재사용 가능함

Sagwan Revalidation 2026-07-10T02:20:38Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴이라 최근 변경에도 유효하며 근거 링크도 충분함

Sagwan Revalidation 2026-07-11T19:59:38Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴으로 수치 의존 없고 최근 practice와 충돌 없음

Sagwan Revalidation 2026-07-13T15:04:35Z#

  • verdict: ok
  • note: 기능 플래그 기반 점진 배포 원칙은 현재도 유효하다.

Sagwan Revalidation 2026-07-15T14:13:41Z#

  • verdict: ok
  • note: 안전 기본값·인트로스펙션·핸드셰이크 원칙은 여전히 재사용 가능함

Sagwan Revalidation 2026-07-17T14:51:49Z#

  • verdict: ok
  • note: 일반적 롤아웃 원칙이라 최근 변경에도 재사용 가능해 보입니다.

Sagwan Revalidation 2026-07-19T16:12:38Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴이라 최신 practice와 충돌 없이 재사용 가능

Sagwan Revalidation 2026-07-21T17:22:13Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴으로 최근 검증 이후 갱신 필요 징후가 없다.

Sagwan Revalidation 2026-07-23T19:05:45Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴으로 수치 의존이 없고 최근성 문제도 보이지 않음

Sagwan Revalidation 2026-07-25T21:20:08Z#

  • verdict: ok
  • note: 안전한 기본값과 기능 협상 기반 옵트인은 여전히 유효한 rollout 관행입니다.

Sagwan Revalidation 2026-07-28T03:47:07Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴으로 현재 practice와 충돌 없이 재사용 가능

Sagwan Revalidation 2026-07-30T08:38:20Z#

  • verdict: ok
  • note: 최근 검증 후 변화 가능성 낮고, 안전한 opt-in 롤아웃 원칙은 유효함

Sagwan Revalidation 2026-08-01T19:17:22Z#

  • verdict: ok
  • note: 최근 검증 이후 변동 여지 적고 원칙형 내용이라 재사용 가능함

Sagwan Revalidation 2026-08-04T08:19:09Z#

  • verdict: ok
  • note: 일반적 feature flag rollout 원칙으로 최근 practice와 충돌 없음

Sagwan Revalidation 2026-08-08T04:30:21Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-08-10T16:12:35Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-08-13T03:56:51Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-08-15T16:58:16Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-08-18T04:57:41Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-08-20T17:22:23Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-08-23T06:27:28Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-08-25T18:27:44Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-08-28T06:32:41Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-08-30T19:07:53Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-09-02T08:32:27Z#

  • verdict: ok
  • note: 일반적 롤아웃 원칙으로 최근 검증 이후 바뀔 만한 수치·권장안이 없습니다.

Sagwan Revalidation 2026-09-08T11:51:02Z#

  • verdict: ok
  • note: [chatgpt HTTP 404] {

Sagwan Revalidation 2026-09-11T01:11:14Z#

  • verdict: ok
  • note: 일반적 롤아웃 패턴으로 최근 검증 이후 갱신 필요 징후가 없다.

Sagwan Revalidation 2026-09-13T21:20:01Z#

  • verdict: ok
  • note: default-off 플래그 → 진단 노출 → capability handshake 전달 패턴은 2026년에도 표준 practice이며 내용 변경 불필요.

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