diff --git a/textproc/meld/Makefile b/textproc/meld/Makefile
index 06bb27695af1..5cf710226ae8 100644
--- a/textproc/meld/Makefile
+++ b/textproc/meld/Makefile
@@ -2,7 +2,8 @@
 # $FreeBSD$
 
 PORTNAME=	meld
-PORTVERSION=	3.21.0
+PORTVERSION=	3.20.1
+PORTEPOCH=	1
 CATEGORIES=	textproc devel python
 MASTER_SITES=	GNOME
 
@@ -18,7 +19,7 @@ RUN_DEPENDS=	gsettings-desktop-schemas>=0:devel/gsettings-desktop-schemas
 USES=		desktop-file-utils gettext gnome python:3.4+ shared-mime-info \
 		shebangfix tar:xz
 USE_PYTHON=	distutils noflavors
-USE_GNOME=	gtksourceview4 intltool libxml2:build pygobject3
+USE_GNOME=	gtksourceview3 intltool libxml2:build pygobject3
 
 SHEBANG_FILES=	bin/meld
 GLIB_SCHEMAS=	org.gnome.meld.gschema.xml
diff --git a/textproc/meld/distinfo b/textproc/meld/distinfo
index 840b33a79ed6..ec9991b7f0a9 100644
--- a/textproc/meld/distinfo
+++ b/textproc/meld/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1592237329
-SHA256 (meld-3.21.0.tar.xz) = b680114d5ab793324549fd58f4eb202d8e280c0633a0b765ede6dfb34160a81b
-SIZE (meld-3.21.0.tar.xz) = 614744
+TIMESTAMP = 1562394516
+SHA256 (meld-3.20.1.tar.xz) = a54843bc4d6cb1d31d0a58aa725091622194d50c32ef67026b35c86dda3cb249
+SIZE (meld-3.20.1.tar.xz) = 594812
diff --git a/textproc/meld/files/patch-setup.py b/textproc/meld/files/patch-setup.py
new file mode 100644
index 000000000000..578579099286
--- /dev/null
+++ b/textproc/meld/files/patch-setup.py
@@ -0,0 +1,17 @@
+--- setup.py.orig	2014-11-22 12:24:31 UTC
++++ setup.py
+@@ -37,11 +37,11 @@ setup(
+     },
+     scripts=['bin/meld'],
+     data_files=[
+-        ('share/man/man1',
++        ('man/man1',
+          ['meld.1']
+          ),
+-        ('share/doc/meld-' + meld.conf.__version__,
+-         ['COPYING', 'NEWS']
++        ('share/doc/meld',
++         ['NEWS']
+          ),
+         ('share/meld',
+          ['data/meld.css']
diff --git a/textproc/meld/pkg-plist b/textproc/meld/pkg-plist
index 07775a53139d..b5f57f3e1367 100644
--- a/textproc/meld/pkg-plist
+++ b/textproc/meld/pkg-plist
@@ -2,24 +2,22 @@ bin/meld
 %%PYTHON_SITELIBDIR%%/meld/__init__.py
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/__init__.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/__init__.cpython-%%PYTHON_SUFFIX%%.pyc
-%%PYTHON_SITELIBDIR%%/meld/__pycache__/accelerators.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
-%%PYTHON_SITELIBDIR%%/meld/__pycache__/accelerators.cpython-%%PYTHON_SUFFIX%%.pyc
-%%PYTHON_SITELIBDIR%%/meld/__pycache__/actiongutter.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
-%%PYTHON_SITELIBDIR%%/meld/__pycache__/actiongutter.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/build_helpers.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/build_helpers.cpython-%%PYTHON_SUFFIX%%.pyc
-%%PYTHON_SITELIBDIR%%/meld/__pycache__/chunkmap.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
-%%PYTHON_SITELIBDIR%%/meld/__pycache__/chunkmap.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/conf.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/conf.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/const.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/const.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/diffgrid.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/diffgrid.cpython-%%PYTHON_SUFFIX%%.pyc
+%%PYTHON_SITELIBDIR%%/meld/__pycache__/diffmap.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
+%%PYTHON_SITELIBDIR%%/meld/__pycache__/diffmap.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/dirdiff.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/dirdiff.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/filediff.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/filediff.cpython-%%PYTHON_SUFFIX%%.pyc
+%%PYTHON_SITELIBDIR%%/meld/__pycache__/filemerge.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
+%%PYTHON_SITELIBDIR%%/meld/__pycache__/filemerge.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/filters.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/filters.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/gutterrendererchunk.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
@@ -36,8 +34,6 @@ bin/meld
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/melddoc.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/meldwindow.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/meldwindow.cpython-%%PYTHON_SUFFIX%%.pyc
-%%PYTHON_SITELIBDIR%%/meld/__pycache__/menuhelpers.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
-%%PYTHON_SITELIBDIR%%/meld/__pycache__/menuhelpers.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/misc.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/misc.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/newdifftab.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
@@ -52,8 +48,6 @@ bin/meld
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/settings.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/sourceview.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/sourceview.cpython-%%PYTHON_SUFFIX%%.pyc
-%%PYTHON_SITELIBDIR%%/meld/__pycache__/style.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
-%%PYTHON_SITELIBDIR%%/meld/__pycache__/style.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/task.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/task.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/tree.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
@@ -66,15 +60,14 @@ bin/meld
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/vcview.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/windowstate.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/__pycache__/windowstate.cpython-%%PYTHON_SUFFIX%%.pyc
-%%PYTHON_SITELIBDIR%%/meld/accelerators.py
-%%PYTHON_SITELIBDIR%%/meld/actiongutter.py
 %%PYTHON_SITELIBDIR%%/meld/build_helpers.py
-%%PYTHON_SITELIBDIR%%/meld/chunkmap.py
 %%PYTHON_SITELIBDIR%%/meld/conf.py
 %%PYTHON_SITELIBDIR%%/meld/const.py
 %%PYTHON_SITELIBDIR%%/meld/diffgrid.py
+%%PYTHON_SITELIBDIR%%/meld/diffmap.py
 %%PYTHON_SITELIBDIR%%/meld/dirdiff.py
 %%PYTHON_SITELIBDIR%%/meld/filediff.py
+%%PYTHON_SITELIBDIR%%/meld/filemerge.py
 %%PYTHON_SITELIBDIR%%/meld/filters.py
 %%PYTHON_SITELIBDIR%%/meld/gutterrendererchunk.py
 %%PYTHON_SITELIBDIR%%/meld/iohelpers.py
@@ -98,7 +91,6 @@ bin/meld
 %%PYTHON_SITELIBDIR%%/meld/meldbuffer.py
 %%PYTHON_SITELIBDIR%%/meld/melddoc.py
 %%PYTHON_SITELIBDIR%%/meld/meldwindow.py
-%%PYTHON_SITELIBDIR%%/meld/menuhelpers.py
 %%PYTHON_SITELIBDIR%%/meld/misc.py
 %%PYTHON_SITELIBDIR%%/meld/newdifftab.py
 %%PYTHON_SITELIBDIR%%/meld/patchdialog.py
@@ -106,7 +98,6 @@ bin/meld
 %%PYTHON_SITELIBDIR%%/meld/recent.py
 %%PYTHON_SITELIBDIR%%/meld/settings.py
 %%PYTHON_SITELIBDIR%%/meld/sourceview.py
-%%PYTHON_SITELIBDIR%%/meld/style.py
 %%PYTHON_SITELIBDIR%%/meld/task.py
 %%PYTHON_SITELIBDIR%%/meld/tree.py
 %%PYTHON_SITELIBDIR%%/meld/treehelpers.py
@@ -125,10 +116,14 @@ bin/meld
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/findbar.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/gladesupport.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/gladesupport.cpython-%%PYTHON_SUFFIX%%.pyc
+%%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/gnomeglade.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
+%%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/gnomeglade.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/gtkcompat.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/gtkcompat.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/historyentry.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/historyentry.cpython-%%PYTHON_SUFFIX%%.pyc
+%%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/listselector.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
+%%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/listselector.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/listwidget.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/listwidget.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/msgarea.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
@@ -137,8 +132,6 @@ bin/meld
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/notebook.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/notebooklabel.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/notebooklabel.cpython-%%PYTHON_SUFFIX%%.pyc
-%%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/recentselector.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
-%%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/recentselector.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/statusbar.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/statusbar.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/ui/__pycache__/util.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
@@ -151,13 +144,14 @@ bin/meld
 %%PYTHON_SITELIBDIR%%/meld/ui/filechooser.py
 %%PYTHON_SITELIBDIR%%/meld/ui/findbar.py
 %%PYTHON_SITELIBDIR%%/meld/ui/gladesupport.py
+%%PYTHON_SITELIBDIR%%/meld/ui/gnomeglade.py
 %%PYTHON_SITELIBDIR%%/meld/ui/gtkcompat.py
 %%PYTHON_SITELIBDIR%%/meld/ui/historyentry.py
+%%PYTHON_SITELIBDIR%%/meld/ui/listselector.py
 %%PYTHON_SITELIBDIR%%/meld/ui/listwidget.py
 %%PYTHON_SITELIBDIR%%/meld/ui/msgarea.py
 %%PYTHON_SITELIBDIR%%/meld/ui/notebook.py
 %%PYTHON_SITELIBDIR%%/meld/ui/notebooklabel.py
-%%PYTHON_SITELIBDIR%%/meld/ui/recentselector.py
 %%PYTHON_SITELIBDIR%%/meld/ui/statusbar.py
 %%PYTHON_SITELIBDIR%%/meld/ui/util.py
 %%PYTHON_SITELIBDIR%%/meld/ui/vcdialogs.py
@@ -173,8 +167,6 @@ bin/meld
 %%PYTHON_SITELIBDIR%%/meld/vc/__pycache__/_vc.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/vc/__pycache__/bzr.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/vc/__pycache__/bzr.cpython-%%PYTHON_SUFFIX%%.pyc
-%%PYTHON_SITELIBDIR%%/meld/vc/__pycache__/cvs.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
-%%PYTHON_SITELIBDIR%%/meld/vc/__pycache__/cvs.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/vc/__pycache__/darcs.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/meld/vc/__pycache__/darcs.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/meld/vc/__pycache__/git.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
@@ -186,13 +178,13 @@ bin/meld
 %%PYTHON_SITELIBDIR%%/meld/vc/_null.py
 %%PYTHON_SITELIBDIR%%/meld/vc/_vc.py
 %%PYTHON_SITELIBDIR%%/meld/vc/bzr.py
-%%PYTHON_SITELIBDIR%%/meld/vc/cvs.py
 %%PYTHON_SITELIBDIR%%/meld/vc/darcs.py
 %%PYTHON_SITELIBDIR%%/meld/vc/git.py
 %%PYTHON_SITELIBDIR%%/meld/vc/mercurial.py
 %%PYTHON_SITELIBDIR%%/meld/vc/svn.py
 %%PYTHON_SITELIBDIR%%/meld/vcview.py
 %%PYTHON_SITELIBDIR%%/meld/windowstate.py
+man/man1/meld.1.gz
 share/applications/org.gnome.meld.desktop
 share/help/C/meld/command-line.page
 share/help/C/meld/file-changes.page
@@ -210,8 +202,18 @@ share/help/C/meld/resolving-conflicts.page
 share/help/C/meld/text-filters.page
 share/help/C/meld/vc-mode.page
 share/help/C/meld/vc-supported.page
+share/icons/HighContrast/scalable/apps/org.gnome.meld.svg
+share/icons/hicolor/16x16/actions/meld-change-apply-left.png
+share/icons/hicolor/16x16/actions/meld-change-apply-right.png
+share/icons/hicolor/16x16/actions/meld-change-copy.png
+share/icons/hicolor/16x16/actions/meld-change-delete.png
+share/icons/hicolor/16x16/apps/meld-version-control.png
+share/icons/hicolor/16x16/apps/org.gnome.meld.png
+share/icons/hicolor/22x22/apps/org.gnome.meld.png
+share/icons/hicolor/32x32/apps/org.gnome.meld.png
+share/icons/hicolor/48x48/apps/meld-version-control.png
+share/icons/hicolor/48x48/apps/org.gnome.meld.png
 share/icons/hicolor/scalable/apps/org.gnome.meld.svg
-share/icons/hicolor/symbolic/apps/org.gnome.meld-symbolic.svg
 share/locale/ar/LC_MESSAGES/meld.mo
 share/locale/bg/LC_MESSAGES/meld.mo
 share/locale/bs/LC_MESSAGES/meld.mo
@@ -258,11 +260,40 @@ share/locale/uk/LC_MESSAGES/meld.mo
 share/locale/vi/LC_MESSAGES/meld.mo
 share/locale/zh_CN/LC_MESSAGES/meld.mo
 share/locale/zh_TW/LC_MESSAGES/meld.mo
-share/man/man1/meld.1.gz
-%%DATADIR%%/org.gnome.Meld.gresource
-%%DATADIR%%/styles/meld-base.style-scheme.xml
-%%DATADIR%%/styles/meld-dark.style-scheme.xml
+%%DATADIR%%/icons/COPYING
+%%DATADIR%%/icons/COPYING_CCBYSA3
+%%DATADIR%%/icons/emblem-meld-newer-file.png
+%%DATADIR%%/icons/filter-ignored-24.png
+%%DATADIR%%/icons/filter-modified-24.png
+%%DATADIR%%/icons/filter-nonvc-24.png
+%%DATADIR%%/icons/filter-normal-24.png
+%%DATADIR%%/icons/vc-add-24.png
+%%DATADIR%%/icons/vc-checkout-24.png
+%%DATADIR%%/icons/vc-commit-24.png
+%%DATADIR%%/icons/vc-push-24.png
+%%DATADIR%%/icons/vc-remove-24.png
+%%DATADIR%%/icons/vc-resolve-24.png
+%%DATADIR%%/icons/vc-update-24.png
+%%DATADIR%%/meld.css
+%%DATADIR%%/styles/meld-base.xml
+%%DATADIR%%/styles/meld-dark.xml
+%%DATADIR%%/ui/EditableList.ui
+%%DATADIR%%/ui/application.ui
+%%DATADIR%%/ui/appmenu-fallback.xml
+%%DATADIR%%/ui/dirdiff-ui.xml
+%%DATADIR%%/ui/dirdiff.ui
+%%DATADIR%%/ui/encoding-selector.ui
+%%DATADIR%%/ui/filediff-ui.xml
+%%DATADIR%%/ui/filediff.ui
+%%DATADIR%%/ui/findbar.ui
+%%DATADIR%%/ui/language-selector.ui
+%%DATADIR%%/ui/meldapp-ui.xml
+%%DATADIR%%/ui/meldapp.ui
+%%DATADIR%%/ui/patch-dialog.ui
+%%DATADIR%%/ui/preferences.ui
+%%DATADIR%%/ui/shortcuts.ui
+%%DATADIR%%/ui/tab-placeholder.ui
+%%DATADIR%%/ui/vcview-ui.xml
+%%DATADIR%%/ui/vcview.ui
 share/metainfo/org.gnome.meld.appdata.xml
 share/mime/packages/org.gnome.meld.xml
-@dir %%DATADIR%%/icons
-@dir %%DATADIR%%/ui