Issue #21877 has been updated by byroot (Jean Boussier). * [Feature #21861] C API: expose `ruby_xfree_sized`, `ruby_xrealloc_sized`, etc (byroot) * C23 added `void free_sized(void *ptr, size_t old_size)`. * It has both speed and correctness benefits. * Several common allocators already support it, including latest `glibc` and the very popular `jemalloc`. * Maps well with `ruby_sized_xfree` used internally to provide the freed size to GC statistics. * I'd like to expose `ruby_xfree_sized` and `ruby_xrealloc_sized` to C extensions so they can make use of it too. * I'd also like to expose `RB_FREE_SIZED`, `RB_FREE_SIZED_N` and `RB_REALLOC_SIZED_N` macros for convenience. * [Feature #21853] Make Embedded TypedData a public API (byroot) * `RUBY_TYPED_EMBEDDABLE` was introduced in 3.3 as private API which help reduce memory usage and sped up numerous core types. * I'd like to expose this capability to C extensions, so they can get the same benefits. * I think the API is currently fine, but we can make change before making it public if desired. * [Feature #21852] New improved allocator function interface (byroot) * The current `typedef VALUE (*rb_alloc_func_t)(VALUE klass);` interface is too limited for Ractor and Embedded Typed Data * When duping or cloning some objects, the allocator do need to receive the source object to allocate in the correct size pool. * I propose to introduce `typedef VALUE (*rb_copy_alloc_func_t)(VALUE klass, VALUE other);` * I have a PR that does so without breaking backward compatibility: https://github.com/ruby/ruby/pull/15795 * I believe @ko1 would like to introduce more change for Ractors. ---------------------------------------- Misc #21877: DevMeeting-2026-03-17 https://bugs.ruby-lang.org/issues/21877#change-116693 * Author: mame (Yusuke Endoh) * Status: Open ---------------------------------------- # The next dev meeting **Date: 2026/03/17 13:00-17:00** (JST) Log: *TBD* - Dev meeting *IS NOT* a decision-making place. All decisions should be done at the bug tracker. - Dev meeting is a place we can ask Matz, nobu, nurse and other developers directly. - Matz is a very busy person. Take this opportunity to ask him. If you can not attend, other attendees can ask instead of you (if attendees can understand your issue). - We will write a record of the discussion in the file or to each ticket in English. - All activities are best-effort (keep in mind that most of us are volunteer developers). - The date, time and place of the meeting are scheduled according to when/where we can reserve Matz's time. - *DO NOT* discuss then on this ticket, please. # Call for agenda items If you have a ticket that you want matz and committers to discuss, please post it into this ticket in the following format: ``` * [Ticket ref] Ticket title (your name) * Comment (A summary of the ticket, why you put this ticket here, what point should be discussed, etc.) ``` Example: ``` * [Feature #14609] `Kernel#p` without args shows the receiver (ko1) * I feel this feature is very useful and some people say :+1: so let discuss this feature. ``` - It is recommended to add a comment by 2026/03/14. We hold a preparatory meeting to create an agenda a few days before the dev-meeting. - The format is strict. We'll use [this script to automatically create an markdown-style agenda](https://gist.github.com/mame/b0390509ce1491b43610b9ebb665eb86). We may ignore a comment that does not follow the format. - Your comment is mandatory. We cannot read all discussion of the ticket in a limited time. We appreciate it if you could write a short summary and update from a previous discussion. -- https://bugs.ruby-lang.org/