From 69173d07918f0caa5a2ed90705a66399791d2438 Mon Sep 17 00:00:00 2001
From: Hendrik Ranocha <mail@ranocha.de>
Date: Sat, 18 Sep 2021 17:41:10 +0200
Subject: [PATCH] set version to v2.0.0

---
 Project.toml | 2 +-
 README.md    | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/Project.toml b/Project.toml
index 7e8e69d7..d8d139cd 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "RootedTrees"
 uuid = "47965b36-3f3e-11e9-0dcf-4570dfd42a8c"
 authors = ["Hendrik Ranocha <mail@ranocha.de>"]
-version = "1.2.2-pre"
+version = "2.0.0"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
diff --git a/README.md b/README.md
index 48b6cf09..cee3bf8b 100644
--- a/README.md
+++ b/README.md
@@ -79,3 +79,9 @@ Additionally, functions on trees connected to Runge-Kutta methods are implemente
 - `derivative_weight(t, A, b, c)`: Compute the derivative weight (ΦᵢD)(`t`) of `t` for the Butcher coefficients `A, b, c` of a Runge-Kutta method.
 - `residual_order_condition(t, A, b, c)`: The residual of the order condition
   `(Φ(t) - 1/γ(t)) / σ(t)` with elementary weight `Φ(t)`, density `γ(t)`, and symmetry `σ(t)` of the rooted tree `t` for the Runge-Kutta method with Butcher coefficients `A, b, c`.
+
+
+## Brief Changelog
+
+- v2.0: Rooted trees are considered up to isomorphisms introduced by shifting
+  each coefficient of their level sequence by the same number.