Prepare new release: v0.20.1 (#4615)

* bump version, regenerate lockfile, changelog 1st pass

* fix two docbuild warnings

* update changelog, include newly merged PR + review suggestion

CITATION.cff

@@ -4,10 +4,10 @@ authors:
   -
     name: "The Manim Community Developers"
 cff-version: "1.2.0"
-date-released: 2026-02-20
+date-released: 2026-02-27
 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: "v0.20.0"
+version: "v0.20.1"
 ...

docs/source/changelog.rst

@@ -7,6 +7,7 @@ This page contains a list of changes made between releases.
 .. toctree::
     :maxdepth: 1
 
+    changelog/0.20.1-changelog
     changelog/0.20.0-changelog
     changelog/0.19.2-changelog
     changelog/0.19.1-changelog

docs/source/changelog/0.20.1-changelog.md

@@ -0,0 +1,41 @@
+---
+short-title: v0.20.1
+description: Changelog for v0.20.1
+---
+
+# v0.20.1
+
+Date
+: February 27, 2026
+
+
+## What's Changed
+### Enhancements 🚀
+* Cleanup `TipableVMobject`: avoid mutable default and fix `assign_tip_attr` typo by {user}`josiest` in {pr}`4503`
+* enhancement: optimize Docker image build and runtime footprint by {user}`behackl` in {pr}`4604`
+
+### Bug Fixes 🐛
+* fix: MathTex double-brace splitting no longer fires on natural LaTeX `}}` by {user}`behackl` in {pr}`4602`
+* Fix creation or animation of a zero-length `DashedLine` by {user}`SORVER` in {pr}`4606`
+* Fix moving-object detection for nested AnimationGroups with z-indexed mobjects by {user}`Merzlikin-Matvey` in {pr}`4389`
+* Fix unintended propagation of `kwargs` in `LaggedStartMap` by {user}`irvanalhaq9` in {pr}`4613`
+
+### Documentation 📚
+* Documentation: manual installation of manim as a local package by {user}`u7920349` in {pr}`4456`
+* Add alt text to all images in `README.md` by {user}`VerisimilitudeX` in {pr}`4064`
+
+### Code Quality & Refactoring 🧹
+* Fix publish release workflow by {user}`behackl` in {pr}`4600`
+* Silence pydub ffmpeg/avconv import warning when ffmpeg CLI is absent by {user}`behackl` in {pr}`4603`
+
+### Type Hints 📝
+* Add type annotations to `manim/_config/utils.py` by {user}`henrikmidtiby` in {pr}`4230`
+
+## New Contributors
+* {user}`SORVER` made their first contribution in {pr}`4606`
+* {user}`josiest` made their first contribution in {pr}`4503`
+* {user}`u7920349` made their first contribution in {pr}`4456`
+* {user}`Merzlikin-Matvey` made their first contribution in {pr}`4389`
+* {user}`VerisimilitudeX` made their first contribution in {pr}`4064`
+
+**Full Changelog**: [Compare view](https://github.com/ManimCommunity/manim/compare/v0.20.0...v0.20.1)

manim/utils/bezier.py

@@ -90,6 +90,7 @@ def bezier(
                     containing :math:`n` values to evaluate the Bézier curve at, returning instead
                     an :math:`(n, 3)`-shaped :class:`~.Point3D_Array` containing the points
                     resulting from evaluating the Bézier at each of the :math:`n` values.
+
                 .. warning::
                     If passing a vector of :math:`t`-values to ``bezier_func``, it **must**
                     be a column vector/matrix of shape :math:`(n, 1)`. Passing an 1D array of
@@ -106,6 +107,7 @@ def bezier(
                     Bézier curve defined by ``points`` is evaluated at the corresponding :math:`i`-th
                     value in ``t``, returning again an :math:`(M, 3)`-shaped :class:`~.Point3D_Array`
                     containing those :math:`M` evaluations.
+
                 .. warning::
                     Unlike the previous case, if you pass a :class:`~.ColVector` to ``bezier_func``,
                     it **must** contain exactly :math:`M` values, each value for each of the :math:`M`

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "manim"
-version = "0.20.0"
+version = "0.20.1"
 description = "Animation engine for explanatory math videos."
 authors = [
   {name = "The Manim Community Developers", email = "contact@manim.community"},

uv.lock

@@ -1396,7 +1396,7 @@ wheels = [
 
 [[package]]
 name = "manim"
-version = "0.20.0"
+version = "0.20.1"
 source = { editable = "." }
 dependencies = [
     { name = "audioop-lts", marker = "python_full_version >= '3.13'" },