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January 6, 2026 14:17
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機能変更概要
実装等の変更点
@pdf-lib/upngが提供していたRGBA変換処理がfast-pngには存在しないため、新規モジュールfast-png-helper.tsにて同等の再実装を行うことで、既存モジュールpng.ts内の流れを維持テスト
PDFDocument.spec.ts: 破損PNGをPDFに埋め込む際にフリーズしないことを確認するテストを追加png.spec.ts: 様々な形式（色チャネル数やビット深度）のPNGを処理できることを確認するテストを追加その他
1.17.1-mod.2025.8から1.17.1-mod.2026.1に更新