tscircuit/core

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Create electronics with Typescript and React. Compile Typescript to Circuit JSON

Stars: 58
Forks: 203
Open beginner issues: 0
Indexed issues: 64
Avg merge: 7h 39m
Merged PRs (30d): 286

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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64 open issues indexed

pack-applied rotation does not propagate to pcb_plated_hole.ccw_rotation (hand-written pcbRotation does) Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

tscircuit/core#4021 · 1 comment · Opened Sep 19, 2026
SCHEMATIC_COMPONENT_OUTLINE_COLOR "rgba(132, 0, 0)" is not portable SVG color; strict SVG renderers reject schematic output Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

tscircuit/core#3982 · Opened Sep 16, 2026
MultilayerIjump (infgrid-ijump-astar 0.0.35) emits jumps mirrored away from the goal; fix + repro on a fork since tscircuit/autorouting is archived Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

tscircuit/core#3927 · 2 comments · Opened Sep 13, 2026
pcbPath chooses top when a plated-hole start connects to an explicit bottom via port Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

tscircuit/core#3906 · Opened Sep 12, 2026
Add global board viaTenting prop with per-via overrides, mask rendering and exports Open

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

tscircuit/core#3903 · 1 comment · Opened Sep 12, 2026
Standalone vias incorrectly require component courtyards and emit empty footprint references Open

Difficulty 4/5 3-5 days Newbie friendliness 65/100

tscircuit/core#3902 · 1 comment · Opened Sep 12, 2026
Small polygon and circular cutouts can disappear from routing obstacles Open

Difficulty 3/5 1-2 days Newbie friendliness 75/100

tscircuit/core#3734 · Opened Sep 8, 2026
Scientific notation is truncated in simulation graph scale and offset settings Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

tscircuit/core#3732 · Opened Sep 8, 2026
Legacy schematic start contact suppresses later crossing markers Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

tscircuit/core#3729 · Opened Sep 8, 2026
hole_with_polygon_pad plated holes lose the component rotation: no ccw_rotation is emitted and pad_outline is not rotated Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

tscircuit/core#3647 · Opened Sep 4, 2026
No way to define paste-only apertures (windowpane) over a continuous pad; <solderpaste> is typed but has no renderer Open

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

tscircuit/core#3577 · Opened Sep 1, 2026
Trace schDisplayLabel on branched connectivity becomes schematic_net_label Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

tscircuit/core#3521 · Opened Aug 29, 2026
schematicsymbol schRotation is ignored for oriented native symbols Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

tscircuit/core#3520 · Opened Aug 29, 2026
Net labels lose identity across shared schematicsymbol supply projections Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

tscircuit/core#3505 · Opened Aug 28, 2026
Schematic autorouter physically joins separate same-net netlabels after a local branch trace Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

tscircuit/core#3436 · 2 comments · Opened Aug 25, 2026
Transport unbroken copper-pour intent through raw Circuit JSON autorouting Open

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

tscircuit/core#3379 · Opened Aug 22, 2026
auto selects pipeline7 for late routing phases with preloaded traces and exhausts iterations Open

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

tscircuit/core#3312 · 1 comment · Opened Aug 20, 2026
CopperPour clearance/margin props are dropped from Circuit JSON, so KiCad refills use different rules Open

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

tscircuit/core#3281 · 1 comment · Opened Aug 18, 2026
pcbLayout.matchAdapt collapses all PCB components onto the group origin Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

tscircuit/core#3136 · Opened Aug 10, 2026
pushbutton: documented side1 and side2 aliases do not resolve Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

tscircuit/core#3116 · 1 comment · Opened Aug 8, 2026
pushbutton: documented default internal pin connections are absent Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

tscircuit/core#3115 · Opened Aug 8, 2026
inductor: invalid inductance produces invalid Circuit JSON Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

tscircuit/core#3114 · 1 comment · Opened Aug 8, 2026
inductor: unit strings violate the Circuit JSON inductance type Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

tscircuit/core#3111 · Opened Aug 8, 2026
capacitor: invalid capacitance strings produce invalid Circuit JSON Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

tscircuit/core#3110 · 1 comment · Opened Aug 8, 2026
capacitor: documented specification props are rejected Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

tscircuit/core#3109 · Opened Aug 8, 2026
capacitor: schSize has no schematic effect Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

tscircuit/core#3108 · Opened Aug 8, 2026
capacitor: bypassFor and bypassTo are ignored Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

tscircuit/core#3107 · 1 comment · Opened Aug 8, 2026
resistor: schSize has no schematic effect Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

tscircuit/core#3106 · Opened Aug 8, 2026
resistor: documented rating props are unsupported Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

tscircuit/core#3105 · Opened Aug 8, 2026
resistor: tolerance is omitted from Circuit JSON Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

tscircuit/core#3103 · Opened Aug 8, 2026
board: material='flex' emits Circuit JSON outside the contract Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

tscircuit/core#3102 · Opened Aug 8, 2026
board: per-side finish and assembly props are dropped Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

tscircuit/core#3101 · Opened Aug 8, 2026
board: anchorAlignment is ignored Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

tscircuit/core#3100 · Opened Aug 8, 2026
Tracking: reproduced element-prop audit findings Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tscircuit/core#3099 · Opened Aug 8, 2026
diode variant="schottky"/"zener"/... is ignored for the schematic symbol Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

tscircuit/core#3077 · 1 comment · Opened Aug 8, 2026
pinheader emits string pins in schematic port_arrangement, failing circuit-json's parser Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

tscircuit/core#3075 · 1 comment · Opened Aug 8, 2026
copperpour: two same-layer pours on different nets each fill the whole board (silent short) Open

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

tscircuit/core#3074 · Opened Aug 8, 2026
SchematicRect drops fillColor from circuit JSON and renders filled rectangles with the stroke color Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

tscircuit/core#3068 · Opened Aug 8, 2026
pcb_trace.source_trace_id can point at an unrelated source_trace, contradicting its own pcb_trace_id Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

tscircuit/core#3019 · Opened Aug 5, 2026
[RFC] Replace silent capacitor auto-detection with explicit intent and a deterministic "Placement Advisor" Open

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

tscircuit/core#2964 · Opened Aug 1, 2026
RFC: Explicit Rendering Modes and Anchor Controls for `<netlabel>` Open

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

tscircuit/core#2934 · 6 comments · Opened Jul 30, 2026
Inline <footprint> components get no silkscreen reference designator Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

tscircuit/core#2875 · 9 comments · Opened Jul 25, 2026
schPinArrangement with leftPinCount/rightPinCount creates zero schematic ports Open

Difficulty 3/5 1-2 days Newbie friendliness 78/100

tscircuit/core#2871 · Opened Jul 25, 2026
Empty string in `connections` crashes the render with a raw css-what parser error Open

Difficulty 3/5 1-2 days Newbie friendliness 76/100

tscircuit/core#2865 · 1 comment · Opened Jul 25, 2026
pinLabels naming a pin the footprint lacks creates an unroutable port with no error Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

tscircuit/core#2863 · Opened Jul 25, 2026
negative schematic dimensions (schWidth, schematicbox width, circle radius) are accepted with no error Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

tscircuit/core#2861 · Opened Jul 25, 2026
a trace connecting a port to itself is accepted silently and emits a duplicate-port source_trace Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

tscircuit/core#2859 · Opened Jul 25, 2026
negative and zero dimensions (hole diameter, via, board size) are accepted with no error Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

tscircuit/core#2857 · Opened Jul 25, 2026
unparseable unit values (resistance="abc") raise no error and render as "NaNpΩ" Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

tscircuit/core#2855 · Opened Jul 25, 2026
trace error on a group says "It has no ports" instead of pointing at the components inside it Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

tscircuit/core#2852 · Opened Jul 25, 2026

tscircuit/core

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