Attempt to put all changelog in CHANGELOG.md

CHANGELOG.md

@@ -10,4 +10,64 @@
 - updated user feedback email address to `contact.kiwix.org`
 - dropped support for external indexes
 - improved iOS 12 support
-- new version of libkiwix and Swift 4.2
+- new version of libkiwix and Swift 4.2
+
+## 1.9.4 (August 22, 2018)
+- NEW: sort languages in library language filter both by count or alphabetically
+- NEW: search for a zim file by name in library online catalog
+
+## 1.9.1 (June 10, 2018)
+- Use Realm in replace of CoreData as database
+- Added Wiktionary, Wikiquote and Wikisource categories
+- Fix: unable to detect embedded index in some situations
+- Fix: unable to cancel erroneous download tasks
+
+## 1.9.0 (May 09, 2018)
+
+- New Library Design:
+  - ZIM files are grouped by topic categories
+  - ZIM file detail view
+  - Downloading content and catalog are displayed in one place
+  - On iPads, using a split view with ZIM file / categories on the left and detail on the right
+- Bookmark
+  - Now displayed as a side panel on iPad
+  - Add / remove bookmark interface is now presented as a HUD and does not cover up all the screen space
+- Reading
+  - Now ask users for confirmation when opening external links. Can be turned on or off in settings
+- Core
+  - Massive multiple improvement of the ZIM file mgmt through introduction of Kiwix lib 2.0.
+- An effort has been made to keep compatibility with iOS 10.
+
+## 1.8.0 (March 03, 2017)
+
+- Library has a new look
+- Support zim files with build in index
+- Performance optimization
+- Now in Swift 3.1
+
+## 1.7.1 (September 14, 2016)
+
+- Improved iOS 10 compatibility
+
+## 1.7.0 (August 05, 2016)
+
+- Informative bookmarks
+- New add / remove bookmarks interface
+- Bookmarks Today Widget
+- Bug fixes and performance improvements
+
+## 1.6.0 (July 07, 2016)
+
+### New
+- show recent search terms
+- search system now fetch result from both title search and index search and use a new ranking system to sort them
+- table of content
+- enhanced layout javascript on iPhone
+- Use SafariViewController to handle external links
+- access download.kiwix.org using https
+- enhanced UI when hSizeClass is regular
+
+### Fixed
+- downloading / paused book purged when they are removed from online library
+- removed code that mistakenly indicates app use Wallet
+- open main page when first book finish downloaded