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diff --git a/Changes.md b/Changes.md
index b30bb04..1e17c7e 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,34 +1,50 @@
# Version 2.0
## 2.X.0
-* Made `MatrixElement::tree_kin` and `MatrixElement::tree_param` public
+* Made `MatrixElement.tree_kin(...)` and `MatrixElement.tree_param(...)` public
* Allow multiplication and division of multiple scale functions e.g.
`H_T/2*m_j1j2`
* Follow HepMC convention for particle Status codes: incoming = 11,
decaying = 2, outgoing = 1 (unchanged)
* New class `CrossSectionAccumulator` to keep track of Cross Section of the
different subproccess
-* Removed default constructor for `Event`
+* New template struct `Parameters` similar to old `Weights`
+ - `Weights` are now an alias for `Parameters<double>`. Calling `Weights` did
+ not change
+ - `Weights.hh` was replaced by `Parameters.hh`. The old `Weights.hh` header
+ will be removed in HEJ Version 2.3.0
+* Function to multiplication and division of `EventParameters.weight` by double
+ - This can be combined with `Parameters`, e.g.
+ `Parameters<EventParameters>*Weights`, see also `Events.parameters()`
+ - Moved `EventParameters` to `Parameters.hh` header
+* Restructured `Event` class
+ - `Event` can now only be build from a (new) `Event::EventData` class
+ - Removed default constructor for `Event`
+ - `Event::EventData` replaces the old `UnclusteredEvent` struct.
+ - `UnclusteredEvent` is now deprecated, and will be removed in HEJ Version
+ 2.3.0
+ - Added new member function `Events.parameters()`, to directly access
+ (underlying) `Parameters<EventParameters>`
## 2.0.4
* Fixed wrong path of `HEJ_INCLUDE_DIR` in `hej-config.cmake`
* Correctly include rivet headers
* New `EXCLUDE_package` variable in `cmake` to not interface to specific
packages
* Consistent search and include for side packages in `cmake`
## 2.0.3
* Fixed parsing of (numerical factor) * (base scale) in configuration
* Don't change scale names, but sanitise Rivet output file names instead
## 2.0.2
* Changed scale names to `"_over_"` and `"_times_"` for proper file names (was
`"/"` and `"*"` before)
## 2.0.1
* Fixed name of fixed-order generator in error message.
diff --git a/include/HEJ/Weights.hh b/include/HEJ/Weights.hh
index ca82f1f..3a353aa 100644
--- a/include/HEJ/Weights.hh
+++ b/include/HEJ/Weights.hh
@@ -1,11 +1,12 @@
/** \file
* \brief Legacy Header for Weights
* \note This Header was moved to "HEJ/Parameters.hh"
+ * \TODO remove in HEJ 2.3.0
*
* \authors Jeppe Andersen, Tuomas Hapola, Marian Heil, Andreas Maier, Jennifer Smillie
* \date 2019
* \copyright GPLv2 or later
*/
#pragma once
#include "HEJ/Parameters.hh"

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