diff --git a/CHANGELOG b/CHANGELOG
index e55265723bfa908876e6cba2f896746de217aabd..dbc14226457ea11dded36886b38b26f60f0224c0 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,7 +1,50 @@
-minerva (12.0.0) stable; urgency=medium
-  * STUB CHANGLELOG ENTRY
-
- -- Piotr Gawron <piotr.gawron@uni.lu>  Thu, 14 Dec 2017 16:00:00 +0200
+minerva (12.0.0~alpha.0) unstable; urgency=medium
+  * Feature: support for tair annotations
+  * Feature: annotations contain info about source (there is difference
+    between manual and automatically added annotations)
+  * Feature: default permission for new projects are configurable
+  * Feature: SBML support (with and without layout extension)
+  * Feature: kinetics support
+  * Feature: plugin API
+  * Feature: all functionalities are provided via REST API
+  * Feature: visualization of two (or more) overlaying results (like drug 
+    target, mirna target) is highlighted with different icon 
+  * Small improvement: email for account request contain configurable text
+  * Small improvement: transparency level for data overlays is configurable
+  * Small improvement: CellDesigner reactions of Modifier type are acceptable
+  * Small improvement: performance improved for overlays identified by
+    annotation identifiers
+  * Small improvement: Legend is always on top
+  * Small improvement: When email content is too big it's compressed
+  * Small improvement: Description of chemical panel refers to the disease
+    connected to the map
+  * Small improvement: Confirm button when removing data overlay
+  * Small improvement: Clicking on data overlayed element behaves in the same 
+    way as clicking on not overlayed element 
+  * Small improvement: Title of list of submaps doesn't contain UNKNOWN tag
+  * Small improvement: DOI is supported as miriam type
+  * Small improvement: When loading data in search tab there is "LOADING" icon
+  * Small improvement: Data overlays can use source element identifiers for 
+    filtering 
+  * Small improvement: Data overlays can submap column to differentiate between
+    maps
+  * Small improvement: search by chemical names is possible
+  * Small improvement: auto complete functionality for drugs, mirnas and 
+    chemicals
+  * Small improvement: columns value and type are not mutually exclusive in 
+    data overlays
+  * Small improvement: column type is case insensitive in data overlays
+  * Small improvement: every submap contains default center position and zoom
+    level to customize default view when entering map for the first time
+  * Small improvement: data overlays color scale contains configurable default 
+    middle color (for 0 values)
+  * Small improvement: opening data overlay switch to empty background
+  * Bug fix: uploading of zip files created by mac doesn't crash due to
+    .DS_Store folder 
+  * Bug fix: auto complete is case insensitive 
+  * Bug fix: google maps API 404 errors for non existing tiles are removed
+   
+ -- Piotr Gawron <piotr.gawron@uni.lu>  Wed, 21 Feb 2018 12:00:00 +0200
 
 minerva (11.0.8) stable; urgency=medium
   * Bug fix: XSS vulnerability
diff --git a/persist/src/db/12.0.0/fix_db_20170713.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20170713.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20170713.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20170713.sql
diff --git a/persist/src/db/12.0.0/fix_db_20170720.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20170720.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20170720.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20170720.sql
diff --git a/persist/src/db/12.0.0/fix_db_20170808.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20170808.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20170808.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20170808.sql
diff --git a/persist/src/db/12.0.0/fix_db_20170809.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20170809.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20170809.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20170809.sql
diff --git a/persist/src/db/12.0.0/fix_db_20170814.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20170814.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20170814.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20170814.sql
diff --git a/persist/src/db/12.0.0/fix_db_20170822.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20170822.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20170822.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20170822.sql
diff --git a/persist/src/db/12.0.0/fix_db_20170829.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20170829.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20170829.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20170829.sql
diff --git a/persist/src/db/12.0.0/fix_db_20171004.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20171004.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20171004.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20171004.sql
diff --git a/persist/src/db/12.0.0/fix_db_20171115.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20171115.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20171115.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20171115.sql
diff --git a/persist/src/db/12.0.0/fix_db_20171121.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20171121.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20171121.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20171121.sql
diff --git a/persist/src/db/12.0.0/fix_db_20180116.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20180116.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20180116.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20180116.sql
diff --git a/persist/src/db/12.0.0/fix_db_20180117.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20180117.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20180117.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20180117.sql
diff --git a/persist/src/db/12.0.0/fix_db_20180125.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20180125.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20180125.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20180125.sql
diff --git a/persist/src/db/12.0.0/fix_db_20180126.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20180126.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20180126.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20180126.sql
diff --git a/persist/src/db/12.0.0/fix_db_20180206.sql b/persist/src/db/12.0.0~alpha.0/fix_db_20180206.sql
similarity index 100%
rename from persist/src/db/12.0.0/fix_db_20180206.sql
rename to persist/src/db/12.0.0~alpha.0/fix_db_20180206.sql