release: v4.0.0 (#333)

* release: v4.0.0

We prepare other sources, such as documentation for the release of the
next version.

* update changelog

Author: P403n1x87

ChangeLog

@@ -1,4 +1,8 @@
-2025-10-xx v4.0.0
+2025-10-31 v4.0.0
+
+  Added support for CPython 3.14.
+  
+  Dropped support for CPython 3.8.
 
   The MOJO binary output format is now the default. The augmented collapsed
   stack format is no longer supported.
@@ -7,9 +11,8 @@
 
   Removed the heap option.
 
-  Dropped support for CPython 3.8.
-
-  Added support for CPython 3.14.
+  Improved accuracy and performance by more than doubling the maximum attainable
+  sampling rate.
 
   Added support for the exec system call.
 

README.md

@@ -513,7 +513,7 @@ folder in either the SVG, PDF or PNG format
 
 # Compatibility
 
-Austin supports Python 3.9 through 3.13, and has been tested on the following
+Austin supports Python 3.9 through 3.14, and has been tested on the following
 platforms and architectures
 
 |             | <img src="art/tux.svg" /> | <img src="art/win.svg"/> | <img src="art/apple.svg"/> |
@@ -531,6 +531,7 @@ summarises the compatibility of Austin with CPython versions
 | ----------------- | -------------- |
 | 2.3-2.7, 3.3-3.11 | 3.5            |
 | 3.8-3.13          | 3.7            |
+| 3.9-3.14          | 4.0            |
 
 > [!NOTE]
 > Austin *might* work with other platforms and architectures not listed above.

doc/cheatsheet.pdf

@@ -16,12 +16,12 @@
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3.14",
     ],
     "Project-URL": [
         "Homepage, https://github.com/P403n1x87/austin",

doc/cheatsheet.png

@@ -1,5 +1,5 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.1.
-.TH AUSTIN "1" "August 2025" "austin 4.0.0" "User Commands"
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
+.TH AUSTIN "1" "October 2025" "austin 4.0.0" "User Commands"
 .SH NAME
 austin \- Frame stack sampler for CPython
 .SH SYNOPSIS