Update NEWS.md for Ruby 4.0.0 (ruby#15369)

I extracted the relevant descriptions from the draft NEWS.md that
hsbt-san had Gemini generate by analyzing `git log`.

Co-authored-by: Hiroshi SHIBATA <[email protected]>
Co-authored-by: Alan Wu <[email protected]>
Co-authored-by: Jeremy Evans <[email protected]>
Co-Authored-By: Earlopain <[email protected]>

Author: 5 people

NEWS.md

@@ -64,6 +64,12 @@ Note: We're only listing outstanding class updates.
       Also, `Binding#local_variable_get` and `Binding#local_variable_set` reject
       to handle numbered parameters.  [[Bug #21049]]
 
+* File
+
+    * `File::Stat#birthtime` is now available on Linux via the statx
+      system call when supported by the kernel and filesystem.
+      [[Feature #21205]]
+
 * IO
 
     * `IO.select` accepts `Float::INFINITY` as a timeout argument.
@@ -76,10 +82,20 @@ Note: We're only listing outstanding class updates.
 
     * `Math.log1p` and `Math.expm1` are added. [[Feature #21527]]
 
-* Socket
+* Method
 
-    * `Socket.tcp` & `TCPSocket.new` accepts `open_timeout` as a keyword argument to specify
-      the timeout for the initial connection. [[Feature #21347]]
+    * `Method#source_location`, `Proc#source_location`, and
+      `UnboundMethod#source_location` now return extended location
+      information with 5 elements: `[path, start_line, start_column,
+      end_line, end_column]`. The previous 2-element format `[path,
+      line]` can still be obtained by calling `.take(2)` on the result.
+      [[Feature #6012]]
+
+* Proc
+
+    * `Proc#parameters` now shows anonymous optional parameters as `[:opt]`
+      instead of `[:opt, nil]`, making the output consistent with when the
+      anonymous parameter is required. [[Bug #20974]]
 
 * Ractor
 
@@ -127,11 +143,41 @@ Note: We're only listing outstanding class updates.
       to make shareable Proc or lambda.
       [[Feature #21550]], [[Feature #21557]]
 
+* Range
+
+    * `Range#to_set` and `Enumerator#to_set` now perform size checks to prevent
+      issues with endless ranges. [[Bug #21654]]
+
+    * `Range#overlap?` now correctly handles infinite (unbounded) ranges.
+      [[Bug #21185]]
+
+    * `Range#max` behavior on beginless integer ranges has been fixed.
+      [[Bug #21174]] [[Bug #21175]]
+
+* Ruby
+
+    * A new toplevel module `Ruby` has been defined, which contains
+      Ruby-related constants. This module was reserved in Ruby 3.4
+      and is now officially defined. [[Feature #20884]]
+
 * `Set`
 
     * `Set` is now a core class, instead of an autoloaded stdlib class.
       [[Feature #21216]]
 
+    * `Set#inspect` now returns a string suitable for `eval`, using the
+      `Set[]` syntax (e.g., `Set[1, 2, 3]` instead of
+      `#<Set: {1, 2, 3}>`). This makes it consistent with other core
+      collection classes like Array and Hash. [[Feature #21389]]
+
+    * Passing arguments to `Set#to_set` and `Enumerable#to_set` is now deprecated.
+      [[Feature #21390]]
+
+* Socket
+
+    * `Socket.tcp` & `TCPSocket.new` accepts an `open_timeout` keyword argument to specify
+      the timeout for the initial connection. [[Feature #21347]]
+
 * String
 
     * Update Unicode to Version 17.0.0 and Emoji Version 17.0.
@@ -240,6 +286,11 @@ The following bundled gems are updated.
 
 ## Supported platforms
 
+* Windows
+
+    * Dropped support for MSVC versions older than 14.0 (_MSC_VER 1900).
+      This means Visual Studio 2015 or later is now required.
+
 ## Compatibility issues
 
 * The following methods were removed from Ractor due to the addition of `Ractor::Port`:
@@ -253,6 +304,14 @@ The following bundled gems are updated.
 
 * `ObjectSpace._id2ref` is deprecated. [[Feature #15408]]
 
+* `Process::Status#&` and `Process::Status#>>` have been removed.
+  They were deprecated in Ruby 3.3. [[Bug #19868]]
+
+* `rb_path_check` has been removed. This function was used for
+  `$SAFE` path checking which was removed in Ruby 2.7,
+  and was already deprecated,.
+  [[Feature #20971]]
+
 ## Stdlib compatibility issues
 
 * CGI library is removed from the default gems. Now we only provide `cgi/escape` for
@@ -320,17 +379,26 @@ A lot of work has gone into making Ractors more stable, performant, and usable.
     * `--rjit` is removed. We will move the implementation of the third-party JIT API
       to the [ruby/rjit](https://github.com/ruby/rjit) repository.
 
+[Feature #6012]: https://bugs.ruby-lang.org/issues/6012
 [Feature #15408]: https://bugs.ruby-lang.org/issues/15408
 [Feature #17473]: https://bugs.ruby-lang.org/issues/17473
 [Feature #18455]: https://bugs.ruby-lang.org/issues/18455
 [Feature #19630]: https://bugs.ruby-lang.org/issues/19630
+[Bug #19868]:     https://bugs.ruby-lang.org/issues/19868
 [Feature #19908]: https://bugs.ruby-lang.org/issues/19908
 [Feature #20610]: https://bugs.ruby-lang.org/issues/20610
 [Feature #20724]: https://bugs.ruby-lang.org/issues/20724
+[Feature #20884]: https://bugs.ruby-lang.org/issues/20884
 [Feature #20925]: https://bugs.ruby-lang.org/issues/20925
+[Feature #20971]: https://bugs.ruby-lang.org/issues/20971
+[Bug #20974]:     https://bugs.ruby-lang.org/issues/20974
 [Feature #21047]: https://bugs.ruby-lang.org/issues/21047
 [Bug #21049]:     https://bugs.ruby-lang.org/issues/21049
 [Feature #21166]: https://bugs.ruby-lang.org/issues/21166
+[Bug #21174]:     https://bugs.ruby-lang.org/issues/21174
+[Bug #21175]:     https://bugs.ruby-lang.org/issues/21175
+[Bug #21185]:     https://bugs.ruby-lang.org/issues/21185
+[Feature #21205]: https://bugs.ruby-lang.org/issues/21205
 [Feature #21216]: https://bugs.ruby-lang.org/issues/21216
 [Feature #21219]: https://bugs.ruby-lang.org/issues/21219
 [Feature #21258]: https://bugs.ruby-lang.org/issues/21258
@@ -339,6 +407,9 @@ A lot of work has gone into making Ractors more stable, performant, and usable.
 [Feature #21287]: https://bugs.ruby-lang.org/issues/21287
 [Feature #21347]: https://bugs.ruby-lang.org/issues/21347
 [Feature #21360]: https://bugs.ruby-lang.org/issues/21360
+[Feature #21389]: https://bugs.ruby-lang.org/issues/21389
+[Feature #21390]: https://bugs.ruby-lang.org/issues/21390
 [Feature #21527]: https://bugs.ruby-lang.org/issues/21527
 [Feature #21550]: https://bugs.ruby-lang.org/issues/21550
 [Feature #21557]: https://bugs.ruby-lang.org/issues/21557
+[Bug #21654]:     https://bugs.ruby-lang.org/issues/21654