--- title: Ruby Weekly Highlights: Ruby 3.4.5 Released and More description: JRuby 10.0.1.0 and Ruby 3.4.5 have been released with significant improvements. JRuby brings 62 bug fixes, enhanced Zeitwerk support, better Time parsing,... canonical: https://daily.dev/posts/ruby-weekly-highlights-ruby-3-4-5-released-and-more-qysxvj5zh twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Ruby Weekly Highlights: Ruby 3.4.5 Released and More | daily.dev og:description: JRuby 10.0.1.0 and Ruby 3.4.5 have been released with significant improvements. JRuby brings 62 bug fixes, enhanced Zeitwerk support, better Time parsing,... og:url: https://daily.dev/posts/ruby-weekly-highlights-ruby-3-4-5-released-and-more-qysxvj5zh og:image: https://api.daily.dev/og/posts/QySXvJ5zh.png og:image:alt: Ruby Weekly Highlights: Ruby 3.4.5 Released and More og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Ruby Weekly Highlights: Ruby 3.4.5 Released and More **[Collections](https://daily.dev/sources/collections)** · 2 min read · 1 upvotes · 0 comments ## Summary JRuby 10.0.1.0 and Ruby 3.4.5 have been released with significant improvements. JRuby brings 62 bug fixes, enhanced Zeitwerk support, better Time parsing, improved keyword argument handling, and performance gains in startup speed and memory usage. Ruby 3.4.5 includes essential bug fixes and full GCC 15 support. Notable achievements include optimizing gem installation time from 60 seconds to 3 seconds for rdkafka gem. Alternative implementations like JRuby and TruffleRuby continue advancing with JIT compilation and true concurrency features. ## Content # JRuby 10.0.1.0 and Ruby 3.4.5 Released: Enhancements in Compatibility and Performance The latest releases in the Ruby world bring exciting improvements for developers and users alike. **JRuby 10.0.1.0** has become available, aligning with Ruby 3.4 compatibility, and addressing an array of 62 bug fixes and enhancements. Key advancements include improved Zeitwerk support, refined Time parsing, better handling of keyword arguments, and solutions to various compatibility issues observed with MRI Ruby. Additionally, security updates for net-imap bolster safety, while performance improvements in startup speed and memory usage enhance efficiency. Meanwhile, **Ruby 3.4.5** marks its debut, offering essential bug fixes and full GCC 15 support. Consistent with the Ruby community’s bi-monthly release schedule, these updates ensure a stable environment with ongoing improvements. Look forward to Ruby 3.4.6 set for September, followed by subsequent releases in November and January. Innovations extend beyond mere bug fixes. A notable developer achievement involves optimizing gem installation time, reducing it from a cumbersome 60 seconds to a swift 3 seconds via improvements to the rdkafka gem. This exemplifies the continuous pursuit of efficiency and performance in Ruby development. Alternative Ruby implementations such as **JRuby** and **TruffleRuby** continue to offer promising features, including enhanced Just-In-Time compilation and true concurrency, sans the Global Interpreter Lock, showcasing the dynamic nature of the Ruby ecosystem. On the internationalization front, **MiniI18n** reaches version 1.0, presenting itself as a lightweight option for effective internationalization needs. Additional resources provide insights into Rails sitemaps for SEO, Docker deployment strategies with Kamal, Rails I18n customization features, and optimizations in hash lookups. Moreover, the Ruby community is engaged in vibrant discussions, exemplified by David Heinemeier Hansson’s appearance on the Lex Fridman podcast, where he delved into topics encompassing Ruby, Rails, and programming philosophies, enriching the collective understanding and appreciation of Ruby and its frameworks. For developers eager to embrace the latest advancements, download links for Ruby 3.4.5 are available in multiple formats—tar.gz, tar.xz, and zip—with corresponding checksums ensuring security and integrity. These releases underscore a continuous commitment towards refining Ruby and its implementations, promising robust, secure, and performant tools for the vibrant developer community. --- Tags: [#performance](https://daily.dev/tags/performance), [#docker](https://daily.dev/tags/docker), [#ruby](https://daily.dev/tags/ruby), [#rails](https://daily.dev/tags/rails) [View this post on daily.dev](https://daily.dev/posts/ruby-weekly-highlights-ruby-3-4-5-released-and-more-qysxvj5zh) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Ruby Weekly Highlights: Ruby 3.4.5 Released and More","url":"https://daily.dev/posts/ruby-weekly-highlights-ruby-3-4-5-released-and-more-qysxvj5zh","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/ruby-weekly-highlights-ruby-3-4-5-released-and-more-qysxvj5zh"},"datePublished":"2025-07-17T14:13:35.688Z","dateModified":"2025-07-17T19:21:25.421Z","description":"JRuby 10.0.1.0 and Ruby 3.4.5 have been released with significant improvements. JRuby brings 62 bug fixes, enhanced Zeitwerk support, better Time parsing,...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/8d728227ece2efa5527407b8cfc12dee?_a=AQAEulh","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/8d728227ece2efa5527407b8cfc12dee?_a=AQAEulh","isAccessibleForFree":true,"articleSection":"Collections","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Collections","logo":"https://media.daily.dev/image/upload/s--fk_6ycEi--/f_auto,q_auto/v1780996001/logos/collections?_a=BAMAMiWQ0","url":"https://daily.dev/sources/collections"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/ruby-weekly-highlights-ruby-3-4-5-released-and-more-qysxvj5zh","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"performance,docker,ruby,rails","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Collections","item":"https://daily.dev/sources/collections"},{"@type":"ListItem","position":3,"name":"Ruby Weekly Highlights: Ruby 3.4.5 Released and More"}]} ```