--- title: "Crystal 1.20.1 is released!" url: https://daily.dev/posts/crystal-1-20-1-is-released--kocd2upnl source_url: https://crystal-lang.org/2026/04/29/1.20.1-released type: article source: "Crystal" published: 2026-04-30T12:58:14.355Z updated: 2026-04-30T13:01:45.781Z tags: ["cryptography"] reading_time: 2 upvotes: 66 comments: 2 language: 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. # Crystal 1.20.1 is released! **[Crystal](https://daily.dev/sources/crystallang)** · 2 min read · 66 upvotes · 2 comments ## Summary Crystal 1.20.1 is a patch release fixing two regressions from 1.20.0. Kernel TLS support, introduced in 1.20.0, had production issues — some were fixed but it has been disabled by default, with an opt-in flag available via OpenSSL::SSL::Options::ENABLE_KTLS. A regression in Range#sample that could cause loss of randomness was also fixed. The release includes 9 changes from 2 contributors. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@husseinkizz** · 3 upvotes > It looks like a nice language! **@k041k4** · 0 upvotes > I might use it ## Similar posts on daily.dev - [Crystal 1.20.2 is released\!](https://daily.dev/posts/crystal-1-20-2-is-released--bpd4yqred) · Crystal · 54 upvotes · 3 comments - [Crystal 1.19.2 is released\!](https://daily.dev/posts/crystal-1-19-2-is-released--kdscgsowv) · Crystal · 0 upvotes · 0 comments - [Crystal 1.20.0 is released\!](https://daily.dev/posts/crystal-1-20-0-is-released--kodqqmatu) · Crystal · 0 upvotes · 0 comments - [Crystal 1.20.3 is released\!](https://daily.dev/posts/crystal-1-20-3-is-released--fkooxihe1) · Crystal · 1 upvotes · 0 comments --- Tags: [#cryptography](https://daily.dev/tags/cryptography) [View this post on daily.dev](https://daily.dev/posts/crystal-1-20-1-is-released--kocd2upnl)