ruby/NEWS.md

# NEWS for Ruby 3.1.0

This document is a list of user visible feature changes
since the **3.0.0** release, except for bug fixes.

Note that each entry is kept so brief that no reason behind or reference
information is supplied with.  For a full list of changes with all
sufficient information, see the ChangeLog file or Redmine
(e.g. `https://bugs.ruby-lang.org/issues/$FEATURE_OR_BUG_NUMBER`).

## Language changes

## Command line options

## Core classes updates

Outstanding ones only.

## Stdlib updates

Outstanding ones only.

## Compatibility issues

Excluding feature bug fixes.

## Stdlib compatibility issues

## C API updates

## Implementation improvements

### JIT

## Static analysis

### RBS

### TypeProf

## Miscellaneous changes
Copy NEWS.md to doc/NEWS-3.0.0.md and update for 3.1.0 2020-12-25 11:31:48 +03:00			`# NEWS for Ruby 3.1.0`
NEWS.md: converted from NEWS and NEWS is deleted 2020-01-15 06:42:47 +03:00
NEWS.md: remove leading whitespace 2020-02-16 23:00:34 +03:00			`This document is a list of user visible feature changes`
Copy NEWS.md to doc/NEWS-3.0.0.md and update for 3.1.0 2020-12-25 11:31:48 +03:00			`since the 3.0.0 release, except for bug fixes.`
NEWS.md: converted from NEWS and NEWS is deleted 2020-01-15 06:42:47 +03:00
			`Note that each entry is kept so brief that no reason behind or reference`
			`information is supplied with. For a full list of changes with all`
			`sufficient information, see the ChangeLog file or Redmine`
			(e.g. `https://bugs.ruby-lang.org/issues/$FEATURE_OR_BUG_NUMBER`).

NEWS.md: reduce headings level [ci skip] As the only h2 did not have its exclusively owned body text, merged it to the first paragraph. Then pulled up h3 and deeper headings. 2020-01-18 11:46:52 +03:00			`## Language changes`
NEWS.md: converted from NEWS and NEWS is deleted 2020-01-15 06:42:47 +03:00
NEWS.md: reduce headings level [ci skip] As the only h2 did not have its exclusively owned body text, merged it to the first paragraph. Then pulled up h3 and deeper headings. 2020-01-18 11:46:52 +03:00			`## Command line options`
NEWS.md: converted from NEWS and NEWS is deleted 2020-01-15 06:42:47 +03:00
[DOC] Separated parenthesized notes from subsection headings As the headings become link anchors, remove less useful notes. [ci skip] 2020-03-03 11:37:51 +03:00			`## Core classes updates`

			`Outstanding ones only.`
NEWS.md: converted from NEWS and NEWS is deleted 2020-01-15 06:42:47 +03:00
[DOC] Separated parenthesized notes from subsection headings As the headings become link anchors, remove less useful notes. [ci skip] 2020-03-03 11:37:51 +03:00			`## Stdlib updates`

			`Outstanding ones only.`
NEWS.md: converted from NEWS and NEWS is deleted 2020-01-15 06:42:47 +03:00
[DOC] Separated parenthesized notes from subsection headings As the headings become link anchors, remove less useful notes. [ci skip] 2020-03-03 11:37:51 +03:00			`## Compatibility issues`

			`Excluding feature bug fixes.`
NEWS.md: converted from NEWS and NEWS is deleted 2020-01-15 06:42:47 +03:00
NEWS.md: add an example, add references, and move some items 2020-08-24 09:38:03 +03:00			`## Stdlib compatibility issues`
Added sdbm entry to NEWS 2020-06-18 15:11:19 +03:00
NEWS.md: reduce headings level [ci skip] As the only h2 did not have its exclusively owned body text, merged it to the first paragraph. Then pulled up h3 and deeper headings. 2020-01-18 11:46:52 +03:00			`## C API updates`
NEWS.md: converted from NEWS and NEWS is deleted 2020-01-15 06:42:47 +03:00
NEWS.md: reduce headings level [ci skip] As the only h2 did not have its exclusively owned body text, merged it to the first paragraph. Then pulled up h3 and deeper headings. 2020-01-18 11:46:52 +03:00			`## Implementation improvements`
NEWS.md: converted from NEWS and NEWS is deleted 2020-01-15 06:42:47 +03:00
Add NEWS entries about JIT optimizations and a related VM improvement. JIT related commits: * Code size reduction * Deduplicate functions on JIT compaction 818d6d33368a396d9cd3d1a34a84015a9e76c5c8 * Avoid always inlining cold paths of ivar fcd257629063a345c48ff2d8057fa8ab910881f2 * Inline only fast path of rb_class_of b16a2aa938d091c387a7437d94dac7f7bb829ba2 * Eliminate a call instruction on deopt 61b14bb32b7e62760225cb2207df5fe87e5339ab * Cold path partitioning * Mark method call slow paths as COLDFUNC 0e5a58b6bf6aae72b6290a8d68e0a1b6d9eb4f79 * Mark vm_stackoverflow as NOINLINE COLDFUNC 9d71373c237876038cbac63bb0132907a78288a2 * Create mjit_exec_slowpath and mark it as NOINLINE COLDFUNC 083a17a82ad4c1f80cfb9e84cfb1bff5586470b1 * Primitive.attr! 'inline' / Integer#zero? 7561db8c009bb79a75024fa4ed0350bfb3d0626c * Kernel#class 946e5cc668f66a4a0b79461047d3fcba8b71eef0 * (more to come...) * Properly generate opt_send for cfunc cc 7982dc1dfd5df000b7361ccb7bc820da4f3547b8 * Optimize exivar access b736ea63bd4ce4e2fc81dfa73938b39fa70f659c * Make JIT-ed leave leaf 151f8be40d385ada2ebf7feb84210ed7db7ef4df * Inline vm_call_cfunc b9d3ceee8f8e4fade1eddc0c18abee59f9c1eee7 VM: * Enable fastpath on invokesuper 5c2768181382bf84137759efea66f3aaf212665d * History: https://speakerdeck.com/k0kubun/ruby-3-samituto?slide=40 (in Japanese) 2020-06-26 10:54:05 +03:00			`### JIT`

Fix some typos in NEWS.md. 2020-11-10 20:15:57 +03:00			`## Static analysis`
NEWS.md: mention TypeProf 2020-10-20 07:16:19 +03:00
			`### RBS`
Update NEWS about RBS (#3579) 2020-09-25 11:08:39 +03:00
NEWS.md: mention TypeProf 2020-10-20 07:16:19 +03:00			`### TypeProf`

NEWS.md: reduce headings level [ci skip] As the only h2 did not have its exclusively owned body text, merged it to the first paragraph. Then pulled up h3 and deeper headings. 2020-01-18 11:46:52 +03:00			`## Miscellaneous changes`