Prepare new release v0.19.1 and remove support for Python 3.9 (#4490)

Co-authored-by: Francisco Manríquez <francisco.manriquezn@usm.cl>

Author: behackl

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-22.04, macos-15-intel, windows-latest]
-        python: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - name: Checkout the repository

CITATION.cff

@@ -4,10 +4,10 @@ authors:
   -
     name: "The Manim Community Developers"
 cff-version: "1.2.0"
-date-released: 2025-01-20
+date-released: 2025-11-30
 license: MIT
 message: "We acknowledge the importance of good software to support research, and we note that research becomes more valuable when it is communicated effectively. To demonstrate the value of Manim, we ask that you cite Manim in your work."
 title: Manim – Mathematical Animation Framework
 url: "https://www.manim.community/"
-version: "v0.19.0"
+version: "v0.19.1"
 ...

manim/plugins/plugins_flags.py

@@ -2,14 +2,9 @@
 
 from __future__ import annotations
 
-import sys
+from importlib.metadata import entry_points
 from typing import Any
 
-if sys.version_info < (3, 10):
-    from importlib_metadata import entry_points
-else:
-    from importlib.metadata import entry_points
-
 from manim._config import console
 
 __all__ = ["list_plugins"]

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "manim"
-version = "0.19.0"
+version = "0.19.1"
 description = "Animation engine for explanatory math videos."
 authors = [
   {name = "The Manim Community Developers", email = "contact@manim.community"},
@@ -14,22 +14,20 @@ classifiers = [
     "Topic :: Scientific/Engineering",
     "Topic :: Multimedia :: Video",
     "Topic :: Multimedia :: Graphics",
-    "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",
     "Natural Language :: English",
     ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "audioop-lts>=0.2.1 ; python_full_version >= '3.13'",
     "av>=9.0.0,<14.0.0",
     "beautifulsoup4>=4.12",
     "click>=8.0",
     "cloup>=2.0.0",
     "decorator>=4.3.2",
-    "importlib-metadata>=8.6.1 ; python_full_version < '3.10'",
     "isosurfaces>=0.1.0",
     "manimpango>=0.5.0,<1.0.0",
     "mapbox-earcut>=1.0.0",