diff --git a/Changelog.md b/Changelog.md
index 4f4fa40..92947fd 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,6 +1,55 @@
 All _notable_ changes to the project should be documented in this file.
 
-## Demo version (current version is available [here](http://bl.ocks.org/Azgaar/b845ce22ea68090d43a4ecfb914f51bd)):
+## Demo version (current version is available [here](https://azgaar.github.io/Fantasy-Map-Generator/)):
+
+**[[0.55b]()] - 2018-03-30**:
+* Demo version is moved to azgaar.github.io
+* Default map resolution is set to full-screen
+* 'About' tab in Options with project description and links
+* 'Share' buttons in 'About' tab
+* 'The version is obsolete' message to display on gist version
+
+**[[0.54b]()] - 2018-03-30**:
+* Countries editor. Main features:
+** Unified countries list showing country name, color, capital, cells number, burgs number, area and population
+** Sorting support for unified list
+** Total line and a separate line for neutral cells
+** Ability to edit country name, capital name and color
+** Ability to change country population
+** Ability to re-generate countries based on either manually set or random power values
+** Ability to 'paint' a country, at's allowed to apply or cancel changes
+** Ability to proclaim new country
+** Ability to remove country or all countries at once
+** Highlight country name or capital on hover
+** Ability to zoom in to capital on icon click
+** Ability to save countries-related data as a .csv file
+** List all burgs within countries as a separate "Burgs editor" (see below) 
+
+* Burgs editor. Main features:
+** Unified list showing all burgs within a country with burgs name, culture and population
+** Sorting support for unified list
+** Ability to edit a burg name or regenerate names for all listed burgs
+** Ability to change burg population
+** Ability to change country capital
+** Ability to add new burg
+
+* Scale editor. Main features:
+** Ability to set a map scale (distance in one pixel)
+** Ability to select a distance unit, default one is kilometer
+** Ability to select an area unit, default one is square kilometer
+** Ability to change scale bar size
+** Ability to set population rate (people in one population point)
+** Ability to set a urbanization rate
+** Ability to measure linear distances (ruler)
+** Ability to measure curve distances (opisometer)
+** Ability to measure area (planimeter)
+
+* Scale bar (depends on set scales, see above)
+* Overlays: hex grid, square grid, wind rose
+* Burgs population is re-calculated after basic generation
+* Active zooming issues are fixed
+* Save editor window position if it is manually dragged
+* River rendering method is simplified, now it works much faster
 
 **[[0.53b](http://bl.ocks.org/Azgaar/b845ce22ea68090d43a4ecfb914f51bd/f217163cee6b662eddc20b7bab75296587008723)] - 2018-03-07**:
 * 'Graph size' option is usable now