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Welcome to the Crystal Forum
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0
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3379
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December 4, 2018
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Performance is weird
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4
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46
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September 22, 2026
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A small experiment on Crystal performance
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21
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682
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September 21, 2026
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Chronicle v0.1.0: Telemetry harvester and context engine for Wayland and AI agents
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4
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64
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September 21, 2026
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Spinel - Experimental Ruby Compiler for Standalone Executables
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5
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335
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September 20, 2026
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[RFC] crinit: Pluggable filesystem-driven template engine for Crystal (upstream crystal init evolution)
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2
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58
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September 20, 2026
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Collaboration in the age of AI
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8
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267
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September 20, 2026
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Help with the Log module and databases
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4
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71
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September 20, 2026
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Crystal packaging in Fedora
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31
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614
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September 19, 2026
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Ld64.lld: undefined symbol: close (and memcpy/memset/etc.) linking on macOS 26 (Xcode 26.2 SDK)
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0
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36
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September 19, 2026
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Crystal for Agents: v1.21.0 Update, 27 Advanced Recipes & Automated Code Verification
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0
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51
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September 18, 2026
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Socket connection error after macOS 26.7 update
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9
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92
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September 18, 2026
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Feature Request: add to shard support for manage C/C++ deps
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2
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57
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September 18, 2026
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How about the new lightwight semantic analyzer in newest 0.19 crystalline?
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6
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370
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September 18, 2026
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Markpdf: a best in class Markdown -> PDF tool
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16
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237
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September 18, 2026
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Not initialized error
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13
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259
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September 15, 2026
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Pretty ? print of NamedTuple(s)
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1
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84
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September 15, 2026
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Grafito: a journald web frontend
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9
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728
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September 11, 2026
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Doing Raytracer in Crystal
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88
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5155
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September 11, 2026
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Docs generating don't respect "extend self" in modules
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0
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44
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September 10, 2026
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Multi-valued enum
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1
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88
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September 10, 2026
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Different flavours of `Enum`
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14
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319
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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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87
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September 9, 2026
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`Proc` vs. function pointer
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10
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257
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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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56
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September 5, 2026
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Using new parallel ExecutionContext
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26
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665
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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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216
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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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1223
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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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83
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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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393
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August 31, 2026
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