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Welcome to the Crystal Forum
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0
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3367
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December 4, 2018
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Not initialized error
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0
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11
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September 9, 2026
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Doing Raytracer in Crystal
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87
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5030
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September 9, 2026
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Different flavours of `Enum`
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14
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216
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September 9, 2026
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A small experiment on Crystal performance
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20
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523
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September 9, 2026
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Crystal JSON Lexer is too strict on single unpaired UTF-16 surrogate for skipped fields
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2
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36
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September 9, 2026
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Markpdf: a best in class Markdown -> PDF tool
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14
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144
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September 8, 2026
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How about the new lightwight semantic analyzer in newest 0.19 crystalline?
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3
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189
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September 7, 2026
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Crystal packaging in Fedora
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28
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513
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September 6, 2026
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`Proc` vs. function pointer
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10
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228
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September 6, 2026
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Announcing the Fedora Crystal SIG & Matrix Room (Fedora 46+ Readiness)
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0
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48
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September 5, 2026
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Using new parallel ExecutionContext
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26
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623
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September 3, 2026
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How to make your crystal program compile reeeeeally slow
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10
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182
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September 3, 2026
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Markterm: render markdown to the terminal
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11
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1205
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September 2, 2026
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Kemal Identity: an auth shard for Kemal Web Framework, and I'd like some honest opinions before I freeze the API
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0
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75
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September 1, 2026
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I built a dashboard to track the Crystal ecosystem on GitHub: Crystal Community Stats
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6
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376
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August 31, 2026
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Scribe — a fully native, notarized macOS dictation app, written in Crystal. Free, on-device, shipping today
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8
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322
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August 30, 2026
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Why Isn't Every Sane Developer Obsessed with Crystal?
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47
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1935
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August 30, 2026
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Gcry: a garbage collector written in pure Crystal
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14
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615
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August 30, 2026
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How to create a GUI app using libui-ng on Windows?
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36
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2721
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August 30, 2026
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Marten 0.7 is now available!
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0
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78
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August 29, 2026
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Nicolino, a static site generator
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4
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352
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August 29, 2026
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Doo-cr: DOOM in Crystal (Not just the renderer)
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4
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180
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August 28, 2026
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Is there any native crystal minifier?
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2
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78
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August 28, 2026
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Surprising non-performance of String#split
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16
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234
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August 28, 2026
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[ANN] Pyrite: Hardware-bound binary execution and anti-tamper sealing for Crystal
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0
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48
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August 28, 2026
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[Open Discussion]: Discussing Crystal’s GC API for alternative memory managers
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1
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85
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August 27, 2026
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Alternative garbage collectors
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15
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304
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August 27, 2026
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Top IDE for Crystal?
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30
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9623
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August 26, 2026
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Language Popularity: Try to negotiate with JetBrains to support the Crystal language in their IDE
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22
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1135
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August 25, 2026
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