Bump version: v5.1.2

Author: joerick

README.md

@@ -54,6 +54,16 @@ Known issues
 Changelog
 ---------
 
+### v5.1.2
+
+_4 January 2026_
+
+-   Adds the ability to customize description using CLI option `--target-description` (#408)
+-   You can set the interval for the Django middleware using the PYINSTRUMENT_INTERVAL option (#416)
+-   HTMLRenderer can now run preprocessors on the input, to manipulate the call tree before writing to HTML (#403)
+-   Fix a bug where mismatched start/stops can produce "call stack without an active session" errors (#406)
+-   Limit sample count for the HTML renderer to ensure the browser can load the sample (#407)
+
 ### v5.1.1
 
 _12 August 2025_

docs/conf.py

@@ -23,7 +23,7 @@
 author = "Joe Rickerby"
 
 # The full version, including alpha/beta/rc tags
-release = "5.1.1"
+release = "5.1.2"
 
 
 # -- General configuration ---------------------------------------------------

pyinstrument/__init__.py

@@ -4,7 +4,7 @@
 from pyinstrument.profiler import Profiler
 
 __all__ = ["__version__", "Profiler", "load_ipython_extension", "profile"]
-__version__ = "5.1.1"
+__version__ = "5.1.2"
 
 # enable deprecation warnings
 warnings.filterwarnings("once", ".*", DeprecationWarning, r"pyinstrument\..*")

setup.py

@@ -9,7 +9,7 @@
 setup(
     name="pyinstrument",
     packages=find_namespace_packages(include=["pyinstrument*"]),
-    version="5.1.1",
+    version="5.1.2",
     ext_modules=[
         Extension(
             "pyinstrument.low_level.stat_profile",