Experimental Holes

DFA Simulator

Mahjong

p-adic Expansion

Turtle

Mandelbrot

Zeckendorf Representation

Factorial Factorisation

Gray Code Decoder

Gray Code Encoder

Quadratic Formula

Ellipse Perimeters

Odd Polyomino Tiling

QR Encoder

Julia Set

The Name Game

Ideas

Visible Editor Whitespace

More Cheevos

Language leaderboard

Polyglot Golfing

A page to freely run code with user-provided input?

Notes per hole per language

Monthly challenges that reveal the solution afterwards

Allow toggling followed golfers activity when viewing golfer's profile

Save Experimental Solutions and include alternative leaderboard (Feature request)

Show solution runtime

Store history of solutions over time

Support GitLab Logins

Add a "Find Me" button to various rankings pages

Add some esolangs

Palindrome

Add PalindromemordnilaP hole

Remove chars scoring altogether

Add markdown badge API

Special rendering for control characters in output (like DEL)

Add ROT13 hole

Alternative scoring system

Change categories to tags

Replace pie charts with treemaps

Show missing hole/lang combos

Use medal counts instead of rank for coloring user languages

Add "Pokemon" Hole

Announce record invalidations via Caddie

Hole idea: Calendar

Hole idea: list of names to a "like" list

Kaprekar Numbers Hole

Report matched diamonds on Discord

Award badge and/or cheevo for hole authorship

Card number validation

cheevo idea: Deprecated Solution

Hole idea: FRACTRAN interpreter

Hole idea: SKI interpreter

Indication that solution is running

Save alternative solutions

Sort medals ranking by diamonds

Tare Current Byte/Char

Add a `hexdump -c` output view as well as diff

Add a keyboard shortcuts dialog/popup

Add a Loop Finder hole

Add option to hide banners at the top

Add Partition Numbers hole

Avoid reflowing / layout shifts

Consider fixing time for each solution run

Hole Idea: Implement Tetration ᵇa

Need detailed description for Medal Tally hole

Sponsor Feature: Custom background image on sponsor's profile

Accept Carriage Return As Line Break

Add cheevo: Delete a solution

Add hole "print diagonal line"

Add Omniglutton cheevo for 48 languages

Add profile description

Add sort by ranking in profile (languages)

API calls for rank, byte/char scores and points for individual users

Better error messages from POST /solution

Contribution cheevos

Display results of all runs

Hole Idea: Race Results

Hole Idea: Taxicab Numbers

Identical solution to another golfer

Improve tab key navigation

Linkify some page headers

Make tab layout single column on mobile

Option to sort holes by popularity, would be a good way to roughly gauge difficulty

Parkside's Other Triangle hole

Point to language specific page on wiki from the editor

"Prev hole"/"Next hole" could take sorting on the front page into account

Remove connections.discriminator

Some ideas to help with debugging

Sort holes by release date

Sublists

Support cross-wiki page linking

Switch to an embedded Janet wrapper

Add parse DateTime.Ticks hole

Add Rubik's cube solving hole

Brainfuck problem needs more detail

Run others' entries on custom input

Language Suggestions

Kotlin

APL

Scala

PARI/GP

Vyxal 2

6502 Assembly

RISC-V Assembly

Wasm

Clojure

Erlang

Jelly

Scheme

05ab1e

Rockstar

Befunge

CoffeeScript

VBScript

Yuescript

ALGOL 68

BQN

jq

LOLCODE

Odin

Piet

Pony

Stax

Arturo

Hush

Io

Pip

REBOL

Rexx

Ante

BBC Basic

C3

Chapel

Elm

Hy

Labyrinth

Nial