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Oliver Medhurst

Compilers JavaScript / TypeScript Security

’22 ’23 ’24 ’25 ’26

Posts: 25 from 1 Oct 2022 to 16 Jul 2026
Posting: now and then (4 in the last year)
Kind: personal blog
Feed: https://honk.foo/atom.xml

2026 4

16 JulPorffor goes alpha August 11th
9 MayNative-only garbage collection
8 MayProfile-guided dead code elimination
8 MayPorffor now has closures

2025 5

14 AugEliminating JavaScript cold starts on AWS Lambda
11 JunDissecting Dia
21 MayJS engine code size
5 FebPorffor: Objects v2
6 JanPorffor's January 2025 Goals

2024 9

26 NovOptimizing this in Porffor
19 OctPorffor passes 50% of Test262
15 AugPorffor FFI
30 JulA new chapter for Porffor
25 Jun1 year of Porffor
31 JanPorffor: Halving ASCII string memory usage with ByteString
25 JanPorffor: Type annotations for performance
22 JanPorffor: v0.2 rewrite done!
5 JanNew year, new offer, same job

2023 5

14 DecPorffor: The value wrapping dilemma
6 NovShadow Devlog #2
30 OctShadow Devlog #1
27 OctIntroducing Shadow
30 SepJoining Mozilla

2022 2

7 OctDiscord 0-click XSS to RCE
1 OctDiscord 1-click XSS to RCE