Schedule

	Large Hall #rubykaigiA	Sub Arena #rubykaigiB	Small Hall #rubykaigiC
09:20 – 10:30	EN/JA Ruby Committers and the World CRuby Committers @rubylangorg
10:50 – 11:20	JA The Less-Told Story of Socket Timeouts Misaki Shioi @coe401_	EN Brute-Forcing Ruby Performance Issues with LLMs Nate Berkopec @nateberkopec	JA Native Multi-Core Support in mruby/c: Enhancing Performance Kazuaki Tanaka @kaz0505
11:30 – 12:00	EN A Write Barrier Validating GC for Ruby John Hawthorn @jhawthorn	JA Writing DSL for DSL: Catch Code as It’s Born with TracePoint Andrey Nᴏᴠɪᴋᴏᴠ @Envek	JA Pure Ruby Apache Arrow reader/writer Sutou Kouhei @ktou
12:00 – 13:30	Lunch Break
13:30 – 14:00	JA (Re)make Regexp in Ruby: Democratizing internals for the JIT Hiroya Fujinami @makenowjust	EN From Ruby 2 to 4: Updating a C extension for a Modern VM Ivo Anjo @KnuX	JA Smalruby: Visualizing Ruby with Bidirectional Transpiration Kouji Takao @takaokouji
14:10 – 14:40	JA Ruby Releases Ruby Hiroshi SHIBATA @hsbt	EN HTML-Aware ERB: The Path to Reactive Rendering Marco Roth @marcoroth	JA Ruby on NES - how to make a smallest ruby ever Yutaka HARA @yhara
14:50 – 15:20	EN Making Hash Parallel, Thread-Safe and Fast! Benoit Daloze @eregontp	EN Blazing-fast Code Indexing for Smarter Ruby Tools Alexandre Terrasa @Morriar	JA PicoRuby for IoT: Connecting to the Cloud with MQTT Yuhei Okazaki @Y_uuu
15:20 – 16:00	Afternoon Break
16:00 – 16:30	EN Lightning-Fast Method Calls with Ruby 4.1 ZJIT Takashi Kokubun @k0kubun	EN Ruby the Hard Way: Writing Bytecode to Optimize Plain Ruby Samuel Giddins @segiddins	JA Good Enough Types: Heuristic Type Inference for Ruby Sangyong Sim @riseshia
16:40 – 17:40	JA Matz Keynote Yukihiro "Matz" Matsumoto @yukihiro_matz