# Upstream origin and triage - Original package: `concat-stream@2.0.0` - Repository: https://github.com/maxogden/concat-stream - Source commit: https://github.com/maxogden/concat-stream/commit/ceaa101bd2e19c5878a98dd6cb875108f49bf5c5 - Source directory: `.` - npm tarball: https://registry.npmjs.org/concat-stream/-/concat-stream-2.0.0.tgz - SHA512 integrity: `sha512-MWufYdFw53ccGjCA+Ol7XJYpAlW6/prSMzuPOTRnJGcGzuhLn4Scrz7qf6o8bROZ514ltazcIFJZevcfbo0x7A==` - npm last-release age selects maintenance scope; it does not imply no ongoing source development. ## Reviewed issues Primary-source snapshot: `2026-09-29T00:21:59.613145+00:00`. Most recently updated 100 open and 30 closed issue/PR entries; PRs removed. This is triage evidence, not a claim of exhaustive review. Maintenance adoption with preserved runtime payload. No runtime defect correction is claimed. Reports remain visible for subsequent targeted reproduction. - [69: Drop polyfills in a next semver major?](https://github.com/max-mapper/concat-stream/issues/69) - [68: Stream consumers: Alternative builtin nodejs solution](https://github.com/max-mapper/concat-stream/issues/68) - [64: How big is the difference from 1.6.* to 2.* ?](https://github.com/max-mapper/concat-stream/issues/64) - [42: Convert to real stream](https://github.com/max-mapper/concat-stream/issues/42) - [58: Buffer constructor runtime deprecation - this package emits a warning on Node 10](https://github.com/max-mapper/concat-stream/issues/58) - [57: Buffer overread vulnerability](https://github.com/max-mapper/concat-stream/issues/57) - [37: Use standard, error-first callbacks](https://github.com/max-mapper/concat-stream/issues/37) - [41: Use end-of-stream to determine end](https://github.com/max-mapper/concat-stream/issues/41) - [15: v2 ideas](https://github.com/max-mapper/concat-stream/issues/15) - [31: concat-stream - buffer object in callback is empty.](https://github.com/max-mapper/concat-stream/issues/31) - [19: New encoding auto-detection + streams2 change problem case](https://github.com/max-mapper/concat-stream/issues/19) The structured snapshot in `.stackline/issue-triage.json` also records recently closed reports. Issues for unrelated packages in shared monorepositories were qualified as outside this fork’s runtime scope. No maintainer was contacted.