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Welcome to the Crystal Forum
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1
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3157
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December 4, 2018
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Second fiber does not complete
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6
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343
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January 23, 2026
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Dig.glob and dot file behavior: subtle edge case?
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4
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33
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January 23, 2026
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To_s with argument
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5
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42
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January 23, 2026
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How/Why did you find Crystal?
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20
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746
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January 22, 2026
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Sponsoring Claude Max for 1 Month
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3
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111
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January 22, 2026
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Croupier, a tasks / dataflow library
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6
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418
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January 21, 2026
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Training ChatGPT on Crystal's standard lib and syntax
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14
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945
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January 21, 2026
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Wait-groups fiber pooling in 1.19
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10
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162
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January 21, 2026
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Crystal 1.19.1 is released!
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1
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94
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January 20, 2026
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Crystal 0.19 breaks Crinja
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1
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95
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January 19, 2026
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TIL: crystal-pg low performance with SSL
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23
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661
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January 19, 2026
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There is a way to optimize this program?
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62
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1668
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January 18, 2026
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RFC: Standard Image Types in Stdlib
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26
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684
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January 18, 2026
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Crystal 1.19.0 is released!
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4
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284
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January 18, 2026
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Doing Raytracer in Crystal
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86
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4119
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January 18, 2026
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Incorrect overload selected with freevar and generic inheritance
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4
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436
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January 17, 2026
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Visitor pattern fails with generic arguments
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2
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107
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January 17, 2026
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Do you like Finite State Machines?
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7
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390
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January 17, 2026
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If you need theming, look at sixteen
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0
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107
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January 17, 2026
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Announcing CrymbleUI - a modern, native Crystal GUI framework
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14
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536
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January 16, 2026
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Vibe-coding in Crystal
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9
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407
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January 15, 2026
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Empty content when reading 'big' packets on TCP/IP
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4
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229
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January 15, 2026
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State & Plans of GUI development with Crystal
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77
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13362
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January 15, 2026
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\b in regexp is word boundary, not backspace
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4
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151
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January 15, 2026
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Sdl3 Bindings for crystal
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4
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173
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January 15, 2026
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Nicolino v0.5.0
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1
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158
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January 14, 2026
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Crystal on OpenIndiana
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5
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184
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January 14, 2026
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Crystal spec is VERY slow and very high CPU usage when the first time run `crystal spec -O1`
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9
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239
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January 13, 2026
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LSP implementation for Crystal on Windows
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15
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491
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January 13, 2026
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