Owner

librelane

2 indexed repositories · View on GitHub

librelane
ASIC implementation flow infrastructure, successor to OpenLane

Python · 546 stars
librelane-ci-designs
LibreLane Continuous Integration Designs

Verilog · 6 stars

Beginner friendly Everything

Open All

OpenROAD runs single-threaded: OPENROAD_THREADS unset becomes `-threads None` (3.1.0.dev3 / dev) Open

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

librelane/librelane#1039 · 1 comment · Opened Sep 15, 2026
LibreLane is now installable via AM (AppImage Manager) — informational, not a bug Open

Difficulty 1/5 Under an hour Newbie friendliness 20/100

librelane/librelane#1038 · 4 comments · 1 reaction · Opened Sep 15, 2026
Linux: Embed AppImage update information Open

✨ enhancement

Difficulty 4/5 3-5 days Newbie friendliness 50/100

librelane/librelane#1037 · 1 comment · Opened Sep 15, 2026
Non-determinism in synthesis output under concurrent/parallel runs (same config.json file) Open

🐞 bug

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

librelane/librelane#1032 · 3 comments · Opened Sep 8, 2026
bug in the SYNTH_HIERARCHY_MODE flag Open

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

librelane/librelane#1020 · 1 comment · Opened Aug 18, 2026
predicates for designformat inputs Open

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

librelane/librelane#1019 · Opened Aug 17, 2026
update nix-eda and openroad Open

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

librelane/librelane#1018 · Opened Aug 17, 2026
Verilator emits %Warning-TIMESCALEMOD on generated .bb.v blackbox files Open

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

librelane/librelane#1011 · Opened Aug 6, 2026
Make KLAYOUT_DEF_LAYER_MAP optional Open

✨ enhancement

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

librelane/librelane#999 · Opened Jul 26, 2026
Support ASAP7 tracks Open

✨ enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

librelane/librelane#998 · 2 comments · Opened Jul 26, 2026
Add DEFAULT_PDN_CFG for a pdk. Open

✨ enhancement

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

librelane/librelane#997 · 2 comments · Opened Jul 26, 2026
Unit Clarity Open

✨ enhancement

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

librelane/librelane#996 · 6 comments · Opened Jul 26, 2026
ASAP7 Support Open

✨ enhancement

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

librelane/librelane#995 · Opened Jul 26, 2026
union conversion nonsense with lax typing Open

⛓️‍💥 breaking change ✨ enhancement

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

librelane/librelane#993 · Opened Jul 24, 2026
Review of Yosys synthesis and proposed changes Open

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

librelane/librelane#975 · 6 comments · Opened Jul 2, 2026
Documentation error page "Timing Closure" Open

🐞 bug 📄 documentation

Difficulty 1/5 Under an hour Newbie friendliness 75/100

librelane/librelane#974 · 2 comments · Opened Jul 1, 2026
Feature request: Have an ECO step that can replace cells Open

✨ enhancement

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

librelane/librelane#967 · 1 comment · Opened Jun 17, 2026
breakdown of failing designs with new `open_pdks` versions Open

🐞 bug

Difficulty 5/5 Over a week Newbie friendliness 30/100

librelane/librelane#962 · 4 comments · Opened Jun 9, 2026
issues with `dev` branch handling of `STA_CORNERS` and IO libraries Open

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

librelane/librelane#951 · 3 comments · Opened May 23, 2026
Make `MAGIC_WRITE_LEF_PINONLY: True` the default Open

✨ enhancement

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

librelane/librelane#948 · Opened May 21, 2026
Prevent people from falling into the `PDN_xxx_HALO` trap Open

✨ enhancement

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

librelane/librelane#947 · Opened May 21, 2026
Feature request: ship a relocatable, single-tarball LibreLane bundle Open

✨ enhancement

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

librelane/librelane#946 · 6 comments · Opened May 17, 2026
openroad.repairdesignpostgpl uses high-area symmetric buffers in 3.0.3 Open

🐞 bug help wanted OpenROAD

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

librelane/librelane#944 · 8 comments · Opened May 13, 2026
Synthesis should read Liberty files for macros Open

✨ enhancement

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

librelane/librelane#940 · 1 comment · Opened May 8, 2026
A crash in KLayout within the Nix-based Librelane environment Open

🐞 bug

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

librelane/librelane#935 · 3 comments · Opened May 1, 2026
Add tests for sky130_fd_sc_hvl/hs to the CI Open

✨ enhancement

librelane/librelane#931 · 1 assignee · Opened Apr 27, 2026
Use `gds maskhints yes` when reading GDS in magic Open

✨ enhancement

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

librelane/librelane#928 · 8 comments · Opened Apr 24, 2026
`Odb.ReportDisconnectedPins`: expand table to console width Open

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

librelane/librelane#924 · Opened Apr 20, 2026
`MultiCornerSTA`: use OpenSTA's native multithreading Open

✨ enhancement

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

librelane/librelane#923 · 1 comment · Opened Apr 20, 2026
`DiodeInsertion` step not registered Open

🐞 bug

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

librelane/librelane#920 · Opened Apr 16, 2026
Allow recursive step substitution Open

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

librelane/librelane#918 · Opened Apr 13, 2026
Add a new `AddBuffer` step Open

✨ enhancement

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

librelane/librelane#917 · 1 comment · 1 reaction · Opened Apr 12, 2026
RFC: FuseSoC CAPI2 integration in LibreLane - Python API approach Open

✨ enhancement ❓ question

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

librelane/librelane#914 · 4 comments · 1 reaction · Opened Apr 8, 2026
bug: librelane does not work with non-utf8 locales Open

🐞 bug workaround

Difficulty 3/5 1-2 days Newbie friendliness 45/100

librelane/librelane#912 · 3 comments · Opened Apr 6, 2026
Rearchitecting the config module (long-term) Open

⛓️‍💥 breaking change ✨ enhancement

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

librelane/librelane#911 · 2 comments · Opened Apr 4, 2026
Add Warning for empty Analog Macro LIBs Open

✨ enhancement

Difficulty 3/5 1-2 days Newbie friendliness 52/100

librelane/librelane#910 · Opened Apr 2, 2026
Read flist (*.f) files Open

✨ enhancement

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

librelane/librelane#901 · 1 comment · Opened Mar 25, 2026
Macro grid autoplacer Open

✨ enhancement

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

librelane/librelane#893 · 10 comments · Opened Mar 18, 2026
VHDLClassic flow unusable — ghdl.so missing from yosys-with-plugins Nix derivation Open

💬 waiting on op

Difficulty 3/5 1-2 days Newbie friendliness 52/100

librelane/librelane#891 · 1 comment · Opened Mar 16, 2026
Make logging multithread-friendly Open

⛓️‍💥 breaking change ✨ enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

librelane/librelane#889 · 1 comment · Opened Mar 16, 2026
BUG Report: LibreLane no longer compiles -> Dependency (qrencode-4.1.1.tar.gz) changed location. Open

❓ question 💬 waiting on op

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

librelane/librelane#854 · 1 comment · Opened Feb 11, 2026
Guide: inspecting DRC violations Open

📄 documentation

Difficulty 3/5 1-2 days Newbie friendliness 45/100

librelane/librelane#853 · Opened Feb 9, 2026
Rework global connections Open

✨ enhancement

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

librelane/librelane#842 · Opened Jan 10, 2026
`STD_CELL_LIBRARY` not correctly resolved Open

🐞 bug

Difficulty 3/5 1-2 days Newbie friendliness 42/100

librelane/librelane#827 · Opened Dec 1, 2025
gf180mcu: change default power/ground names Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

librelane/librelane#814 · 2 comments · Opened Nov 16, 2025
`TRACKS_INFO_FILE` should be made optional Open

✨ enhancement

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

librelane/librelane#813 · 1 reaction · Opened Nov 16, 2025
Add compact runtimes as output artifact Open

✨ enhancement

Difficulty 3/5 1-2 days Newbie friendliness 52/100

librelane/librelane#812 · 1 comment · 2 reactions · Opened Nov 16, 2025
try it out gui is not very user friendly Open

✨ enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

librelane/librelane#808 · Opened Nov 9, 2025
Create signoff regression framework Open

✨ enhancement

librelane/librelane#804 · 1 assignee · Opened Oct 28, 2025
Support `nix-shell --pure` for GUI flows Open

help wanted

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

librelane/librelane#803 · 3 comments · Opened Oct 23, 2025

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