v1.14.2

ace-step/ACE-Step-1.5v1.14.2Aug 13, 2026by abimaelmartell

Upgrading?

AI Summary

This release hardens parsing capabilities to prevent unbounded CPU or memory usage in crafted PDFs and improves text extraction quality for nested forms.

Key Highlights

  • Caps Form XObject expansion and CID ranges to prevent unbounded resource usage.
  • Form XObjects now track text line matrix and honor spacing operators.
  • Small-caps runs merge instead of being read as table columns.

New Features

  • Bounded Form XObject expansion per page.
  • Bounded CID range expansion.
  • Track text line matrix and handle spacing operators in Form XObjects.

Full Release Notes

## Packages

All packages were built from source checkpoint [`4bee4f9`](https://github.com/firecrawl/pdf-inspector/commit/4bee4f993ba28bd6a3334fa55e699b318663fba3).

- [Rust crate `pdf-inspector` 1.14.2](https://crates.io/crates/pdf-inspector/1.14.2) — `cargo add pdf-inspector@1.14.2`
- [Python `pdf-inspector` 1.14.2](https://pypi.org/project/pdf-inspector/1.14.2/) — `pip install pdf-inspector==1.14.2`
- [Node `@firecrawl/pdf-inspector` 1.14.2](https://www.npmjs.com/package/@firecrawl/pdf-inspector/v/1.14.2) — `npm install @firecrawl/pdf-inspector@1.14.2`
- [WebAssembly `@firecrawl/pdf-inspector-wasm` 1.14.2](https://www.npmjs.com/package/@firecrawl/pdf-inspector-wasm/v/1.14.2) — `npm install @firecrawl/pdf-inspector-wasm@1.14.2`

<details>
<summary>Node platform packages</summary>

- [Linux x64 glibc](https://www.npmjs.com/package/@firecrawl/pdf-inspector-linux-x64-gnu/v/1.14.2)
- [Linux x64 musl](https://www.npmjs.com/package/@firecrawl/pdf-inspector-linux-x64-musl/v/1.14.2)
- [Linux ARM64 glibc](https://www.npmjs.com/package/@firecrawl/pdf-inspector-linux-arm64-gnu/v/1.14.2)
- [Linux ARM64 musl](https://www.npmjs.com/package/@firecrawl/pdf-inspector-linux-arm64-musl/v/1.14.2)
- [macOS ARM64](https://www.npmjs.com/package/@firecrawl/pdf-inspector-darwin-arm64/v/1.14.2)
- [Windows x64 MSVC](https://www.npmjs.com/package/@firecrawl/pdf-inspector-win32-x64-msvc/v/1.14.2)

</details>

## Highlights

- Caps Form XObject expansion, CID `/W` ranges, Encoding/ToUnicode CMaps, content-stream decode, detector `Tj`/`TJ` lookback, and disjoint-rect clustering so crafted PDFs cannot force unbounded CPU or memory (#370, #372, #373, #375, #379, #380, #381).
- Form XObjects now track the text line matrix and honor `T*` / `TL` / `'` / `"` / `Tc` / `Tw`, so nested form text keeps the right spacing (#369).
- Small-caps runs merge instead of being read as extra table columns (#371).

## Changes since 1.14.1

Source: [`f4aab3b...4bee4f9`](https://github.com/firecrawl/pdf-inspector/compare/f4aab3b...4bee4f9)

### Resource bounds
- Bound Form XObject expansion per page (#370)
- Bound CID `/W` range expansion (#372)
- Cap content-stream decode before allocating operators (#373)
- Bound Encoding CMap `cidrange` expansion (#375)
- Bound ToUnicode `bfrange` expansion during subset remap (#379)
- Bound detector `Tj`/`TJ` operand lookback to the previous operator (#380)
- Bound disjoint-rect table clustering so overlap tests stay subquadratic (#381)

### Extraction quality
- Track the text line matrix and handle `T*` / `TL` / `'` / `"` / `Tc` / `Tw` in Form XObjects (#369)
- Merge small-caps runs so they stop reading as table columns (#371)

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