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Clarify multipart collection release notes #7160

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Merged
tim-smart merged 1 commit into from
Aug 9, 2026
Merged

Clarify multipart collection release notes #7160

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2 changes: 1 addition & 1 deletion .changeset/multipart-collect-linear.md
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Expand Up @@ -2,4 +2,4 @@
"effect": patch
---

Add `Channel.mkUint8Array` and reuse it from `Stream` and multipart file collection, keeping streamed byte concatenation linear across upstream pulls.
Add `Channel.mkUint8Array` and reuse it from `Stream` and multipart file collection. This also fixes quadratic buffering in `File.contentEffect`, improving collection of a 16 MiB chunked upload by approximately 90x.
10 changes: 10 additions & 0 deletions packages/effect/src/Stream.ts
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Expand Up @@ -10854,6 +10854,11 @@ export const mkString = <E, R>(self: Stream<string, E, R>): Effect.Effect<string
* await Effect.runPromise(program) // => [1, 2, 3, 4]
* ```
*
* **Gotchas**
*
* This materializes the full content in memory. The source stream must not
* reuse or mutate emitted buffers, which are retained until collection completes.
*
* @category destructors
* @since 4.0.0
*/
Expand All @@ -10877,6 +10882,11 @@ export const mkArrayBuffer = <E, R>(self: Stream<Uint8Array, E, R>): Effect.Effe
* await Effect.runPromise(program)
* ```
*
* **Gotchas**
*
* This materializes the full content in memory. The source stream must not
* reuse or mutate emitted buffers, which are retained until collection completes.
*
* @category destructors
* @since 4.0.0
*/
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