diff --git a/release/changelog_since_last_release.rst b/release/changelog_since_last_release.md
similarity index 96%
rename from release/changelog_since_last_release.rst
rename to release/changelog_since_last_release.md
index 50cde5c2a26a04337934362db5f0c6f93e1e0c1b..4a190d6e83dce982dc7b0c7782740c00a4c4adae 100644
--- a/release/changelog_since_last_release.rst
+++ b/release/changelog_since_last_release.md
@@ -12,7 +12,7 @@
      * Improve handling of environments for Python 3.6 (issue #24)
   * none
 * bob.extension
-  * major
+  * minor
      * Big changes to the documentation of this package: divided guide in
        package development and package creation; added section for implementing
        configuration and command-line application for bob extensions.
@@ -31,7 +31,7 @@
        other packages
      * Ported to new CI/CD
 * bob.blitz
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.core
   * minor
@@ -40,7 +40,7 @@
      * Use log modules from bob.extension
      * improve tests
 * bob.io.base
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.math
   * minor
@@ -58,6 +58,7 @@
 * bob.io.image
   * minor
      * Fixed issue with PGM image load when such images have extra bytes, see bob.io.image!36
+     * Relax matplotlib requirement bob.io.image!39
      * Migrate to conda based CI
 * bob.db.base
   * major
@@ -73,16 +74,16 @@
      * Revamped code for ffmpeg-3.1+ s
      * Fixes bob.io.video#10
 * bob.io.matlab
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.io.audio
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.sp
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.ap
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.ip.base
   * minor
@@ -90,59 +91,59 @@
      * Migrate to conda based CI
      * Fix matplotlib requirement
 * bob.ip.color
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.ip.draw
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.ip.gabor
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.learn.activation
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.learn.libsvm
   * minor
      * Migrate to conda based CI
      * Makes sure we can load/save files with arbitrary extensions
 * bob.learn.linear
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.learn.mlp
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.learn.boosting
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.iris
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.learn.em
-  * minor
+  * patch
      * Migrate to conda based CI
      * Add test time dependencies
      * remove unused ref 5. please see bob.learn.em#27
 * bob.db.wine
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.mnist
   * minor
      * Migrate to conda based CI
      * Now download metadata during build
 * bob.db.atnt
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.ip.facedetect
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.ip.optflow.hornschunck
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.ip.optflow.liu
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.ip.flandmark
-  * minor
+  * patch
      * Migrate to conda based CI
 * gridtk
   * v1.5.0 (Nov 20, 2017 09:07)
@@ -152,7 +153,7 @@
      * Created the `jgen` tool (https://www.idiap.ch/software/bob/docs/bob/gridtk/master/generate.html) -- Merge gridtk!8
      * Removed overwriting job ID when stopping jobs
   * minor
-     * `jgen` tool: added an option `--unique-aggregate` to make the aggregate output unique 
+     * `jgen` tool: added an option `--unique-aggregate` to make the aggregate output unique
      * Migrate to conda based CI
      * Improve tests and docs
 * bob.ip.qualitymeasure
@@ -162,10 +163,10 @@
      * Removed bootstrap-buildout functionality
      * Added an optional reference image to Galbally IQM extractor
 * bob.ip.skincolorfilter
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.ip.facelandmarks
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.ip.dlib
   * v1.0.2 (Oct 19, 2017 10:18)
@@ -175,7 +176,7 @@
      * Improved documentation and tests
 * bob.db.arface
   * v2.1.4 (Sep 22, 2017 14:17)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.asvspoof
   * v1.1.7 (Sep 22, 2017 14:20)
@@ -185,13 +186,13 @@
      * Removed redundant debug_asvspoof script
 * bob.db.asvspoof2017
   * v1.0.3 (Sep 22, 2017 14:20)
-     * Docs updates                                                                                                                                                              
+     * Docs updates
   * minor
      * Migrate to conda based CI
      * Removed redundant debug_asvspoof2017 script
 * bob.db.atvskeystroke
   * v2.1.5 (Sep 22, 2017 14:21)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.avspoof
   * v2.2.8 (Sep 22, 2017 14:22)
@@ -200,23 +201,23 @@
      * Removed redundant debug_avspoof.py script
 * bob.db.banca
   * v2.1.5 (Sep 22, 2017 14:22)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.biosecure
   * v2.1.5 (Sep 22, 2017 14:22)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.biosecurid.face
   * v2.1.8 (Sep 22, 2017 14:22)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.casme2
   * v2.1.5 (Sep 22, 2017 14:23)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.caspeal
   * v2.1.5 (Sep 22, 2017 14:23)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.cohface
   * v1.0.4 (Sep 22, 2017 14:24)
@@ -225,11 +226,11 @@
      * Add a ref to the package name
 * bob.db.frgc
   * v2.1.3 (Sep 22, 2017 14:24)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.gbu
   * v2.1.4 (Sep 22, 2017 14:24)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.hci_tagging
   * v1.0.4 (Sep 22, 2017 14:28)
@@ -250,7 +251,7 @@
      * Add a ref to the package name
 * bob.db.lfw
   * v2.1.5 (Sep 22, 2017 14:28)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.livdet2013
   * v2.0.6 (Sep 22, 2017 14:29)
@@ -265,15 +266,15 @@
      * Migrate to conda based CI
 * bob.db.msu_mfsd_mod
   * v2.2.3 (Sep 22, 2017 14:29)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.multipie
   * v2.1.4 (Sep 22, 2017 14:29)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.nist_sre12
   * v3.0.3 (Sep 22, 2017 14:30)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.putvein
   * v1.2.1 (Sep 22, 2017 14:30)
@@ -283,15 +284,15 @@
      * Stop downloading metadata (closes bob.db.putvein#2)
 * bob.db.replay
   * v3.0.3 (Sep 22, 2017 14:31)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.replaymobile
   * v1.1.3 (Sep 22, 2017 14:31)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.scface
   * v2.1.5 (Sep 22, 2017 14:31)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.utfvp
   * v2.4.1 (Sep 22, 2017 14:32)
@@ -349,14 +350,14 @@
      * fixing issue bob.db.voicepa#1
 * bob.db.xm2vts
   * v2.1.4 (Sep 22, 2017 14:36)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.youtube
   * v2.1.4 (Sep 22, 2017 14:37)
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.pericrosseye
-  * minor
+  * patch
      * Migrate to conda based CI
 * bob.db.cuhk_cufs
   * minor
@@ -379,7 +380,7 @@
      * bob.bio.base!82 Add a function to read features with generators
   * v3.2.1 (Sep 26, 2017 15:04)
      * Changed backend in `bob/bio/base/scripts/evaluate.py` to `'pdf'` instead of `'agg'`
-  * v4.2.1 (Mar 31, 2018 )
+  * minor
      * Migrate to conda based CI
      * Updated docs and tests
      * Added allow_missing_files option and added tests
@@ -395,8 +396,6 @@
      * Added metadata in preprocessing, feature extraction, and algorithm
      * Removed write_commands function in grid_search (closes bob.bio.base#71)
      * Improve replace directories
-  * patch
-     * small docs building fix
 * bob.bio.gmm
   * v3.1.0 (Sep 22, 2017 14:05)
      * bob.bio.gmm!10 Removed Algorithm.read_probe method, since this is already solved via bob.bio.base
@@ -413,11 +412,11 @@
      * bob.bio.face!33 improve the score files by adding attack type information
      * [ci] Droped python 3.4 support and added python 3.6
      * bob.bio.face!30 Updated baseline script to search for executables
-  * major
+  * minor
      * Implemented IJBA customized plot
      * Make the original_directory and annotation_directory a property
      * Created IJBB high level interface
-     * Added script to display face annotations provided by a database. 
+     * Added script to display face annotations provided by a database.
      * Migrate to conda based CI
      * improve docs and tests
 * bob.bio.spear
@@ -486,12 +485,12 @@
      * Migrate to conda based CI
      * Added --allow-missing-files option
      * Improved documentation
-     * Moved from bob.pad.face SVM (bob implementation), one class GMM (scikit-learn) and logistic regression (scikit-learn) algorithms   
+     * Moved from bob.pad.face SVM (bob implementation), one class GMM (scikit-learn) and logistic regression (scikit-learn) algorithms
      * Cleaned up and improved code. Added tests.
      * Replace the old PAD ISO metrics class with a script
      * Added clients option to FileListDB driver
      * Avoids feature blow-up when std==0.
-     * Added predictions algorithm and padfile to label. 
+     * Added predictions algorithm and padfile to label.
 * bob.pad.face
   * major
      * Added High Level Database Interface (HLDI) for MIFS database
@@ -519,13 +518,13 @@
      * Refactoring: removed unused VideoDataLoader
      * Refactoring: created FaceCropAlign, replaces ImageFaceCrop + VideFaceCrop using Wrapper
 * bob.db.oulunpu
-  * major
+  * patch
      * Initial release of OULU-NPU Database
      * Added protocols, documentation, and tests
      * Add annotation support and reorganize frame reading
      * Migrated to conda based CI
 * bob.db.uvad
-  * major
+  * patch
      * Initial release of Unicamp Video-Attack Database
      * Added protocols, documentation, and tests
      * Migrated to conda based CI