=== modified file 'debian/changelog'
--- a/debian/changelog	2019-10-18 20:25:56 +0000
+++ b/debian/changelog	2019-11-09 20:51:15 +0000
@@ -1,3 +1,13 @@
+i3-wm (4.17.1-2) UNRELEASED; urgency=medium
+
+  * Transition to automatic debug package (from: i3-wm-dbg).
+  * Bump debhelper from old 9 to 12.
+  * Set upstream metadata fields: Bug-Submit.
+  * Drop unnecessary dependency on dh-autoconf.
+  * Drop unnecessary dh arguments: --parallel
+
+ -- Debian Janitor <janitor@jelmer.uk>  Sat, 09 Nov 2019 20:49:52 +0000
+
 i3-wm (4.17.1-1) unstable; urgency=medium
 
   * New upstream release.

=== removed file 'debian/compat'
--- a/debian/compat	2019-09-19 18:48:53 +0000
+++ b/debian/compat	1970-01-01 00:00:00 +0000
@@ -1,1 +0,0 @@
-9

=== modified file 'debian/control'
--- a/debian/control	2019-10-18 20:25:56 +0000
+++ b/debian/control	2019-11-09 20:50:56 +0000
@@ -3,8 +3,7 @@
 Priority: optional
 Maintainer: Michael Stapelberg <stapelberg@debian.org>
 Uploaders: Jakob Haufe <sur5r@debian.org>
-Build-Depends: debhelper (>= 9),
-               dh-autoreconf,
+Build-Depends: debhelper-compat (= 12),
                libx11-dev,
                libxcb-util0-dev (>= 0.3.8),
                libxcb-keysyms1-dev,
@@ -55,11 +54,3 @@
  light-weight.
  .
  Please be aware i3 is primarily targeted at advanced users and developers.
-
-Package: i3-wm-dbg
-Architecture: any
-Section: debug
-Depends: i3-wm (=${binary:Version}), ${misc:Depends}
-Description: Debugging symbols for the i3 window manager
- Debugging symbols for the i3 window manager. Please install this to produce
- useful backtraces before creating new tickets.

=== modified file 'debian/rules'
--- a/debian/rules	2019-09-19 18:48:53 +0000
+++ b/debian/rules	2019-11-09 20:51:15 +0000
@@ -8,7 +8,7 @@
 	dh_installchangelogs RELEASE-NOTES-*
 
 override_dh_strip:
-	dh_strip --dbg-package=i3-wm-dbg
+	dh_strip --dbgsym-migration='i3-wm-dbg (<< 4.17.1-2~)'
 
 override_dh_auto_test:
 	# TODO: enable tests
@@ -22,4 +22,4 @@
 	dh_builddeb -- -Zgzip
 
 %:
-	dh $@ --parallel --builddirectory=build --with=autoreconf
+	dh $@ --builddirectory=build

=== added file 'debian/upstream/metadata'
--- a/debian/upstream/metadata	1970-01-01 00:00:00 +0000
+++ b/debian/upstream/metadata	2019-11-09 20:50:38 +0000
@@ -0,0 +1,1 @@
+Bug-Submit: https://github.com/i3/i3/issues