Add release notes

Docs/Release_Notes.md

@@ -3,6 +3,41 @@ Release Notes
 
 Some highlights of new releases.
 
+0.10
+----
+
+The 0.10 version contains a lot of refactorings on various core of the application, namely in the rendering stack, the fetching of data and uploading.
+
+Some highlights are:
+
+1. The addition of fallback overpass servers
+2. Fetching data from OSM directly (especially useful in the personal theme)
+3. Splitting all the features per tile (with a maximum amount of features per tile, splitting further if needed), making everything a ton faster
+4. If a tile has too much features, the featuers are not shown. Instead, a rectangle with the feature amount is shown.
+
+Furthermore, it contains a few new themes and theme updates:
+
+- Restaurants and fast food
+- Pubs and cafés
+- Charging stations got a major overhaul - thanks for all the input on the available plugs
+- Observation towers and binoculars
+- The addition of a hackerspace theme (as made on SOTM)
+
+Other various small improvements:
+
+- The filter state is now exposed in the URL, so can be shared
+- Lots of other fixes, as usual
+
+0.8 and 0.9
+-----------
+
+Addition of filters per layer
+Addition of a download-as-pdf for select themes
+Addition of a download-as-geojson and download-as-csv for select themes
+
+...
+
+
 0.7.0
 -----