🚀 Snapdom v1.9.3 released — Massive performance upgrade!

[tinchox5]

📅 10 July 2025

We're thrilled to announce Snapdom v1.9.3, a major update packed with important fixes, new features, and massive performance improvements. Huge thanks to all contributors and testers from the community! 🙌

---

🆕 What's New

• New filtering system: Add filter and exclude options to finely control what gets captured (#100) – Thanks @simon1uo
• Improved typings: width and height now properly typed (#94) – Thanks @tarwin
• Better type checking: Fixes type error issues (#77) – Thanks @17biubiu
• New iconFont options: Prevents double rendering, and adds support for Layui (#51, #74, #80)
• Supports Blob types (#71)
• Improved fetchImage():
  • Skips unnecessary rasterization of SVGs (#91, #89)
  • Smarter fallback strategies (including proxy) for CORS-denied images (#78, #73)
  • ⚠️ crossOrigin is now built-in – you no longer need to set it manually
• Core upgrades:
  • ⚡ Capture speed is dramatically improved (#72)
  • Handles external <use xlink:href> references in SVGs (#70)
  • Fixes for hidden last lines in <pre> tags (#75)
  • Prevents double URL encoding (#68)
  • Fixes scale bugs in background-image rendering (b1ba326)

---

📊 Performance Benchmarks

Snapdom has made major performance leaps since v1.8.0.

Simple elements (ms, lower is better)

Scenario	Snapdom (current)	Snapdom v1.8.0	html2canvas	modern-screenshot
Small (200×100)	0.4	1.2	70.3	11.9
Modal (400×300)	0.4	1.1	68.8	14.1
Page View	0.4	1.0	100.5	34.2
Large Scroll	0.4	1.0	153.1	77.8
Very Large	0.4	1.0	278.9	194.7

Complex elements (ms)

Scenario	Snapdom (current)	Snapdom v1.8.0	html2canvas	modern-screenshot
Small (200×100)	1.1	3.2	72.5	16.1
Modal (400×300)	4.5	14.0	90.1	34.6
Page View	32.9	113.6	196.1	181.1
Large Scroll	133.9	387.4	446.6	635.9
Very Large	364.0	1200.4	1275.4	1685.6

⚡ Summary

• Snapdom (current) is 2–4× faster than v1.8.0
• Up to 500× faster than html2canvas
• Much faster than modern-screenshot, especially with large/complex DOMs

🧪 Benchmarks run with Chromium + Vitest on a 2018 MacBook Air
🏎️ Even better performance on modern hardware!

---

💙 Thank You

This release wouldn’t be possible without your feedback, bug reports, and PRs.
Thanks to everyone who contributed, tested, and supported Snapdom.
If you like the project, please consider ⭐ starring the repo or becoming a sponsor to support continued development!