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Changelog + docs update: Removing compressed Worker size limits#31067

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Changelog + docs update: Removing compressed Worker size limits#31067
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@yomna-shousha yomna-shousha commented May 26, 2026

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Adds a changelog entry and updates the Worker size limits documentation for the removal of compressed size limits (WC-4489).

TODO: Update the changelog date to match when changes ship.

Related PRs:

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github-actions Bot commented May 26, 2026

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This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern Owners
/src/content/changelog/ @cloudflare/pm-changelogs, @cloudflare/product-owners
/src/content/docs/workers/ @cloudflare/workers-docs, @GregBrimble, @irvinebroque, @mikenomitch, @korinne, @WalshyDev, @cloudflare/deploy-config, @cloudflare/product-owners, @cloudflare/wrangler, @MattieTK, @cloudflare/dev-plat-leads, @vy-ton

@ask-bonk ask-bonk Bot added the documentation Documentation edits label May 26, 2026

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1 issue and 2 style items need attention before merge.

  • HIGHchangelog/workers/2026-05-22-increased-worker-size-limit.mdx:11: The "~21x more room" / "~6x more" claim compares uncompressed 64 MiB to the old compressed limits. This is misleading — the previous uncompressed limit was already 64 MB. The real change is removing the compressed ceiling, not increasing uncompressed capacity by 21x.
  • MEDIUMchangelog/workers/2026-05-22-increased-worker-size-limit.mdx:6: Changelog date needs updating to the actual ship date before merge (noted in PR description).
  • MEDIUM — Both changed files use txt for command output blocks instead of txt output per the style guide, and include a manual # Output resembles: comment that is unnecessary when using the output suffix.

Labels: documentation (applied).

description: The compressed Worker size limits (3 MB free / 10 MB paid) have been removed. Workers now support a single 64 MiB uncompressed size limit across all plans.
products:
- workers
date: 2026-05-22

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The PR description notes this date needs to be updated to match when the changes ship. Please update before merging.

Comment thread src/content/changelog/workers/2026-05-22-increased-worker-size-limit.mdx Outdated
Comment thread src/content/changelog/workers/2026-05-22-increased-worker-size-limit.mdx Outdated
Comment thread src/content/docs/workers/platform/limits.mdx Outdated
@ask-bonk

ask-bonk Bot commented May 26, 2026

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Posted a review on PR #31067 with 4 inline comments.

Summary of findings:

  1. HIGH — The changelog claims Workers get "~21x more room" on Free and "~6x more" on Paid. This compares uncompressed 64 MiB to the old compressed limits (3 MB / 10 MB), which is misleading. The previous uncompressed limit was already 64 MB. The real change is the removal of the compressed ceiling, not a 21x increase in capacity. I posted an inline suggestion to rephrase this.

  2. MEDIUM — The changelog date (2026-05-22) is stale. The PR description already flags this as a TODO, so I added a reminder comment.

  3. MEDIUM — Both the changelog and limits.mdx use txt for command output blocks instead of txt output per the style guide. They also include a manual # Output resembles: comment that is unnecessary when using the output suffix. I flagged both inline.

Labels applied: documentation (workers was not found in the repo).

github run

@yomna-shousha

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/bonk rereview the changelog. the date will be updated when the change is released so you can ignore that.

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Re-review findings:

Fixed since last review:

  • Both files now correctly use sh output for command output blocks instead of manual # Output resembles: comments. ✅
  • Changelog date acknowledged as pending release.

Still needs attention (HIGH):

  • The changelog prose and comparison table continue to misleadingly present this as a capacity increase from 3 MB / 10 MB → 64 MiB. The old limits.mdx on production shows the uncompressed limit was already 64 MB. The real change is the removal of the compressed (gzip) ceiling, not a 21× increase in uncompressed Worker capacity. The body text and table should be rephrased to make that clear.

Comment thread src/content/changelog/workers/2026-05-22-increased-worker-size-limit.mdx Outdated
Comment thread src/content/changelog/workers/2026-05-22-increased-worker-size-limit.mdx Outdated
@ask-bonk

ask-bonk Bot commented May 26, 2026

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Done. I posted a request changes review on PR #31067.

Summary:

  • Fixed ✅ — Both files now correctly use sh output for command output blocks.
  • Fixed ✅ — Date acknowledged as pending release (ignored per your instruction).
  • Still needs attention (HIGH) ❌ — The changelog continues to misleadingly frame the change as a capacity increase from 3 MB / 10 MB → 64 MiB. I verified against the old limits.mdx on production that the uncompressed limit was already 64 MB. The actual change is the removal of the compressed (gzip) ceiling. I left inline suggestions on the prose (line 9) and the comparison table (line 15) with suggested rephrasing.

github run

@yomna-shousha

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/bonk rereview again :)

@ask-bonk

ask-bonk Bot commented May 26, 2026

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Good news — all the issues from my previous review have been addressed. Here's my updated assessment:

Previously flagged (HIGH) — FIXED ✅
The changelog no longer misleadingly compares uncompressed 64 MiB to the old compressed limits. The prose now accurately states:

  • Old behavior: compressed size checked, rejected over 3 MB (Free) / 10 MB (Paid)
  • New behavior: compressed limit removed, only uncompressed 64 MiB limit remains

This is a correct and clear explanation of the change.

Previously flagged (MEDIUM) — FIXED ✅
Both files now use sh output for command output blocks, and the manual # Output resembles: comments have been removed.

Date field
Still shows 2026-05-22, which I understand will be updated to match the actual ship date. Not blocking.

No new issues found. The limits.mdx table update and the new changelog entry are both accurate and well-written. LGTM!

github run

@yomna-shousha yomna-shousha changed the title Changelog + docs update: Worker size limit increased to 64 MiB Changelog + docs update: Removing compressed Worker size limits May 26, 2026
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Hey there, we've marked this pull request as stale because there's no recent activity on it. This label helps us identify PRs that might need updates (or to be closed out by our team if no longer relevant).

@github-actions github-actions Bot added the stale label Jun 10, 2026

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🚀

Comment thread src/content/changelog/workers/2026-05-22-increased-worker-size-limit.mdx Outdated
…-limit.mdx

Co-authored-by: Brendan Irvine-Broque <birvine-broque@cloudflare.com>
@yomna-shousha yomna-shousha requested a review from vy-ton as a code owner June 22, 2026 15:42
@cloudflare-docs-bot

cloudflare-docs-bot Bot commented Jun 22, 2026

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Review

⚠️ 1 warning, 💡 1 suggestion found in commit 8d1be78.

Code Review

This code review is in beta and may not always be helpful — use your judgment.

✅ No code review issues found.

Style Guide Review

Warnings (1)
File Issue
changelog/workers/2026-05-22-increased-worker-size-limit.mdx line 25 Internal links must use trailing slashes — Link uses /workers/platform/limits/#worker-size without a trailing slash. Fix: Change the link to /workers/platform/limits/#worker-size.`
Suggestions (1)
File Issue
workers/platform/limits.mdx line 272 Passive voice — Line adds a passive construction: "The gzip value is shown for reference but is not a limit." Fix: Rewrite in active voice, for example: "The output shows the gzip value for reference only; it is not a limit."
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