Trim ~2 MB from the release binary without touching hot paths - #39770

Merged

Jarred-Sumner merged 12 commits into

mainfrom

claude/binary-size-trim

Aug 21, 2026

Commits on Aug 20, 2026

Trim ~700 KB of code size across Rust and C++ bindings
Jarred-Sumner
committed
19d3add
More size trims: data tables for large string maps and css compat, fewer monomorphs
Jarred-Sumner
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a5313e5
Size trims: shared lazy-class init, GC member tables, packed md entity table
Jarred-Sumner
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f950075
Size trims: compressed browser-only assets/completions, error message table, js2native, runtime source dedup
Jarred-Sumner
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63c8ee1
Share one lol_html output-sink type across HTMLRewriter and the bundler HTML passes
Jarred-Sumner
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c6478ef
Trim more binary size: shared slow paths and tables in bindings, CSS handler de-duplication
Jarred-Sumner
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8124b54
Out-of-line toStringTag and DOM constructor property setup helpers
Jarred-Sumner
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e592b2f
Size trims follow-ups: keep hot paths identical, restore MIME interning parity, cold-path helpers
Jarred-Sumner
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f7295a0
[autofix.ci] apply automated fixes
autofix-ci[bot]
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4235755
Update vm-thread-door inventory for the JsCell move to bun_ptr
Jarred-Sumner
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1649795
Fix CI lints: route opaque_deref through NonNull, name install bools, baseline the SizeSpec table finding
Jarred-Sumner
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10c9f43
embed_compressed: keep inflated assets as Box<[u8]>
Jarred-Sumner
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ddb8d72