Update version to v0.21.0

CHANGELOG.md

@@ -1,15 +1,21 @@
 # Changes
 
+### RAYX-CORE
+* Improve tests on correctness for gratings by @fannyzotter in https://github.com/hz-b/rayx/pull/307
+* Rework Refrac2D by @fannyzotter in https://github.com/hz-b/rayx/pull/308
+* Exchange Vulkan GPU tracer with Alpaka (using Cuda) and enable multithreaded CPU tracing. by @ichinii in https://github.com/hz-b/rayx/pull/304
+* adapt compile.sh by @ichinii in https://github.com/hz-b/rayx/pull/317
+* Rework/core classes by @Atraxus in https://github.com/hz-b/rayx/pull/316
+* Exchange custom math library with std math library for complex numbers and trigonometry
+* Minor bug fixes
+
 ### RAYX-UI
-- UI restyling
-- Added dockspace for more flexibility
-- UI Scale slider
-- Improvements for tracing with RAYX-UI
-- Loading witout h5
+* RAYX-UI Cleanup by @Atraxus in https://github.com/hz-b/rayx/pull/292
+* RAYX-UI Optimization by @EnricoAhlers in https://github.com/hz-b/rayx/pull/305
+* Rework file dialog by @Atraxus in https://github.com/hz-b/rayx/pull/290
+* New: UI for beamline design by @EnricoAhlers in https://github.com/hz-b/rayx/pull/296
 
-### RAYX-CORE
-- Improved flexibility for optical elements (cutout, surface, behaviour)
+## New Contributors
+* @ichinii made their first contribution in https://github.com/hz-b/rayx/pull/304
 
-# Known Bugs
-- RAYX-UI can crash on ubuntu when opening the file dialog
-  - use -i CLI argument for now if that is the case, we are working on a fix
+**Full Changelog**: https://github.com/hz-b/rayx/compare/v0.20.0...v0.21.0

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.25.2 FATAL_ERROR)
 
 # ---- Project ----
-project(RAYX VERSION 0.20.0)
+project(RAYX VERSION 0.21.0)
 set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CUDA_STANDARD 20)