imazen/zenjpeg

Stars: 15
Forks: 2
Open beginner issues: 0
Indexed issues: 15

Dominant language: Rust
License: AGPL-3.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 17, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

15 open issues indexed

Quality ladder: 5 steps where quality+1 costs more bytes AND scores worse on both ssim2 and butteraugli Open

imazen/zenjpeg#201 · 1 assignee · Opened Sep 5, 2026
Picker bake is out of distribution above 2048²: predicts 151 GB for a 4096² JPEG and collapses to one cell Open

imazen/zenjpeg#200 · 1 assignee · Opened Aug 30, 2026
CI never compiles the 141 examples, and at least 2 have rotted against removed APIs Open

imazen/zenjpeg#199 · 1 assignee · Opened Aug 29, 2026
fuzz_differential reports false crashes on malformed-but-recoverable input Open

imazen/zenjpeg#198 · 1 assignee · Opened Aug 29, 2026
Encoder should embed a versioned parameter record (APPn) so future decoders get ground truth instead of fingerprint estimation Open

imazen/zenjpeg#189 · 1 assignee · Opened Jul 24, 2026
zenyuv: no MAX_PIXELS cap (add ~120 MP); dimension assert! should be typed errors; stale YuvContext::new doc Open

imazen/zenjpeg#156 · 1 comment · 1 assignee · Opened Jun 14, 2026
CustomMapController: caller-supplied AQ maps via the AqController hook, shipped with a validation experiment Open

imazen/zenjpeg#147 · 1 comment · 1 assignee · Opened Jun 11, 2026
effective_bits for debiased f32 decode — blocked on zencodec ImageInfo API Open

imazen/zenjpeg#146 · 2 comments · 1 assignee · Opened Jun 11, 2026
Target-zensim closed-loop encoder: per-strip AQ controller + table-tier escape hatch Open

imazen/zenjpeg#113 · 2 comments · 1 assignee · Opened Apr 26, 2026
Proposal: ZenjpegConfig::auto_for(model, image, target) — content-adaptive knob selection with versioned auto-models Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

imazen/zenjpeg#94 · 2 comments · Opened Apr 20, 2026
Add truncation-tolerant decode mode for streaming / partial-image consumers Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

imazen/zenjpeg#92 · 1 comment · Opened Apr 19, 2026
Default encoder profile diverges from mozjpeg by visible amounts Open

nitpick

Difficulty 5/5 Over a week Newbie friendliness 38/100

imazen/zenjpeg#88 · 1 comment · Opened Apr 15, 2026
perf/quality: YCbCr 4:2:0 baseline Q10 size ~2% excess vs C++ jpegli Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

imazen/zenjpeg#78 · 2 comments · Opened Apr 14, 2026
Consider switching CI from `cargo test` to `cargo nextest run` Open

Difficulty 4/5 3-5 days Newbie friendliness 56/100

imazen/zenjpeg#70 · 1 comment · Opened Apr 14, 2026
Unified JPEG encoder API surface across mozjpeg-rs and zenjpeg Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

imazen/zenjpeg#18 · 1 comment · Opened Mar 30, 2026

A short digest of beginner-friendly GitHub issues.