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Welcome to the Crystal Forum
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1
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3219
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December 4, 2018
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How/Why did you find Crystal?
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21
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945
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January 31, 2026
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Dependency injection with crystal macros
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0
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11
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January 31, 2026
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Kemal Modular Router support PR - Looking for more Feedback
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1
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32
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January 30, 2026
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Rebuild ARM64 binary (without file changes) use podman is slow and probably ~/.cache/crystal invalid?
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3
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71
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January 30, 2026
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[ANN] Crystal MCP - An MCP Server for Crystal Tooling
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0
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41
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January 30, 2026
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Maximum length of command line argument
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4
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97
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January 28, 2026
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The Holy Grail of Linux Binary Compatibility: `musl` + `dlopen`
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2
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148
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January 27, 2026
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What are your thoughts on a VFS module?
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2
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119
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January 26, 2026
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Creating an XML Document
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2
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116
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January 26, 2026
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Lexing Crystal for a Crystal to Ruby transpiler
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0
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99
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January 26, 2026
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Has anyone started working on a Ruby => Crystal codemod / transpiler / converter?
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11
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1653
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January 26, 2026
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Announcing CrymbleUI - a modern, native Crystal GUI framework
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15
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719
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January 25, 2026
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Training ChatGPT on Crystal's standard lib and syntax
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16
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1083
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January 24, 2026
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File-based server routing proof of concept
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2
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293
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January 24, 2026
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Crystal talk at FOSDEM 2026
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1
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166
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January 23, 2026
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Dig.glob and dot file behavior: subtle edge case?
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5
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130
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January 23, 2026
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Second fiber does not complete
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6
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458
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January 23, 2026
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To_s with argument
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5
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118
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January 23, 2026
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Sponsoring Claude Max for 1 Month
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3
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164
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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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448
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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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261
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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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154
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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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121
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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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722
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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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1729
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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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804
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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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334
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January 18, 2026
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Doing Raytracer in Crystal
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86
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4232
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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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451
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January 17, 2026
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