Hacktoberfest 2026: the issues maintainers tagged for October, open and beginner-friendly. Browse Hacktoberfest issues

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  • Let visitors close Getting Started
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#394 ·

    Maintainers usually reply within 1 day

  • Add a Report a bug button
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#393 ·

    Maintainers usually reply within 1 day

  • Add an FAQ
    Open
    • Is something wrong?
    documentation

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

    ReduxISU/Redux_GUI#392 ·

    Maintainers usually reply within 1 day

  • Make it clear the visualization shows the problem and the selected solver
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#391 ·

    Maintainers usually reply within 1 day

  • [Bug]: Graph Coloring Visualization loads very slowly
    Open
    • Is something wrong?
    bug

    Difficulty 3/5 1-2 days Newbie friendliness 53/100

    ReduxISU/Redux_GUI#386 · 2 comments ·

    Maintainers usually reply within 1 day

  • Show complexity variable meanings separately in the solver info popup
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#380 ·

    Maintainers usually reply within 1 day

  • PR E: Retire TikZ, keep and fix the old graph renderer
    Open
    • Is something wrong?
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 42/100

    ReduxISU/Redux_GUI#377 · 1 comment ·

    Maintainers usually reply within 1 day

  • Two-Graph Mapping renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#376 ·

    Maintainers usually reply within 1 day

  • Dominoes renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#375 ·

    Maintainers usually reply within 1 day

  • Grammar renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#374 ·

    Maintainers usually reply within 1 day

  • Boolean Circuit renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#373 ·

    Maintainers usually reply within 1 day

  • Tape and Stack Machine renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#372 ·

    Maintainers usually reply within 1 day

  • Game Tree renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#371 ·

    Maintainers usually reply within 1 day

  • Search Tree renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#370 ·

    Maintainers usually reply within 1 day

  • PR D: Renderers for the 6 future picture types
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#369 ·

    Maintainers usually reply within 1 day

  • PR C: Reduction view
    Open
    • Is something wrong?
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 42/100

    ReduxISU/Redux_GUI#368 ·

    Maintainers usually reply within 1 day

  • Code Tree renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#367 ·

    Maintainers usually reply within 1 day

  • Tripartite Matching renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#366 ·

    Maintainers usually reply within 1 day

  • Geometry renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#365 ·

    Maintainers usually reply within 1 day

  • Schedule renderer
    Open
    • Is something wrong?
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 39/100

    ReduxISU/Redux_GUI#364 ·

    Maintainers usually reply within 1 day

  • Quantum Circuit renderer
    Open
    • Is something wrong?
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 42/100

    ReduxISU/Redux_GUI#363 ·

    Maintainers usually reply within 1 day

  • Table / Trace Table renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#362 ·

    Maintainers usually reply within 1 day

  • Board renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#361 ·

    Maintainers usually reply within 1 day

  • Packing renderer
    Open
    • Is something wrong?
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 53/100

    ReduxISU/Redux_GUI#360 ·

    Maintainers usually reply within 1 day

  • Flow Network renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#359 ·

    Maintainers usually reply within 1 day

  • Layered Graph renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#358 ·

    Maintainers usually reply within 1 day

  • Automaton renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#357 ·

    Maintainers usually reply within 1 day

  • Bipartite Graph renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#356 ·

    Maintainers usually reply within 1 day

  • Grouped Graph renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#355 ·

    Maintainers usually reply within 1 day

  • Graph renderer
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#354 ·

    Maintainers usually reply within 1 day

  • PR B: Renderers for the 15 picture types
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#353 ·

    Maintainers usually reply within 1 day

  • PR A: Rendering foundation for the new visualizations
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#352 ·

    Maintainers usually reply within 1 day

  • Tracker: visualization redesign — Redux_GUI renderers
    Open
    • Is something wrong?
    tracker

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

    ReduxISU/Redux_GUI#351 ·

    Maintainers usually reply within 1 day

  • [Bug]: Main page problem search shows no "Add new problem" button when nothing matches
    Open
    • Is something wrong?
    bug

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

    ReduxISU/Redux_GUI#387 ·

    Maintainers usually reply within 1 day

  • When Typing in the Search Bar On Main page, Make Tags Go Away
    Open
    • Is something wrong?

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

    ReduxISU/Redux_GUI#341 ·

    Maintainers usually reply within 1 day

  • On Browse Page Organize Listed Problems By Alphabetical Only
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 70/100

    ReduxISU/Redux_GUI#340 ·

    Maintainers usually reply within 1 day

  • About Us: add an "In the News" section, starting with the Idaho State Journal BengalBot article
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#337 · 1 comment ·

    Maintainers usually reply within 1 day

  • About Us: add missing awards (Andrija's 2025 Symposium award, Kaden's best paper) and missing grant amounts
    Open
    • Is something wrong?

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

    ReduxISU/Redux_GUI#333 · 1 comment ·

    Maintainers usually reply within 1 day

  • Show an explanatory popup when hovering over tags and filter names
    Open
    • Is something wrong?
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 42/100

    ReduxISU/Redux_GUI#324 ·

    Maintainers usually reply within 1 day

  • Solve/Verify: show whether a result is optimal
    Open
    • Is something wrong?
    enhancement

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

    ReduxISU/Redux_GUI#322 · 1 comment ·

    Maintainers usually reply within 1 day

  • Browse: add a Decision / Optimization filter and problem card tag
    Open
    • Is something wrong?
    enhancement

    Difficulty 3/5 1-2 days Newbie friendliness 66/100

    ReduxISU/Redux_GUI#321 · 1 comment ·

    Maintainers usually reply within 1 day

  • Add HERC grants and fix SARE grant credits in About Us Support section
    Open
    • Is something wrong?
    documentation

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

    ReduxISU/Redux_GUI#303 ·

    Maintainers usually reply within 1 day

  • Tracker: mobile and small-screen support
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 48/100

    ReduxISU/Redux_GUI#302 ·

    Maintainers usually reply within 1 day

  • Tracker: copy and naming fixes
    Open
    • Is something wrong?
    good first issue tracker

    Difficulty 2/5 1-3 hours Newbie friendliness 32/100

    ReduxISU/Redux_GUI#295 ·

    Maintainers usually reply within 1 day

  • Tracker: visualization framework and per-problem visualizations
    Open
    • Is something wrong?
    tracker

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

    ReduxISU/Redux_GUI#294 ·

    Maintainers usually reply within 1 day

  • Tracker: theming and branding — dark mode, logos, Swagger
    Open
    • Is something wrong?
    enhancement tracker

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

    ReduxISU/Redux_GUI#293 ·

    Maintainers usually reply within 1 day

  • Tracker: reduction dropdown logic
    Open
    • Is something wrong?
    tracker

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

    ReduxISU/Redux_GUI#292 ·

    Maintainers usually reply within 1 day

  • Tracker: LaTeX / TikZ rendering reliability
    Open
    • Is something wrong?
    bug tracker

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

    ReduxISU/Redux_GUI#291 · 1 comment ·

    Maintainers usually reply within 1 day

  • Tracker: request plumbing — proxy, initial-load failures, and headers
    Open
    • Is something wrong?
    bug tracker

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

    ReduxISU/Redux_GUI#290 ·

    Maintainers usually reply within 1 day

  • Tracker: lint, formatting, and dependency hygiene
    Open
    • Is something wrong?
    tracker

    Difficulty 4/5 3-5 days Newbie friendliness 25/100

    ReduxISU/Redux_GUI#289 ·

    Maintainers usually reply within 1 day

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