update qutebrowser and fix rifle magnet links

config/qutebrowser/qutebrowser.conf

@@ -43,6 +43,13 @@
 #     Default:
 #     ref,utm_source,utm_medium,utm_campaign,utm_term,utm_content
 #
+# default-open-dispatcher (String):
+#     The default program used to open downloads. Set to an empty string
+#     to use the default internal handler.
+#     Any {} in the string will be expanded to the filename, else the
+#     filename will be appended.
+#     Default:
+#
 # default-page (FuzzyUrl):
 #     The page to open if :open -t/-b/-w is used without URL. Use
 #     `about:blank` for a blank page.
@@ -167,6 +174,7 @@
 ignore-case = smart
 startpage = https://calendar.google.com
 yank-ignored-url-parameters = ref,utm_source,utm_medium,utm_campaign,utm_term,utm_content
+default-open-dispatcher = rifle
 default-page = ${startpage}
 auto-search = naive
 auto-save-config = true
@@ -669,7 +677,7 @@ mouse-zoom-divider = 512
 # indicator-padding (Padding):
 #     Padding for indicators (top, bottom, left, right).
 #     Default: 2,2,0,4
-background-tabs = false
+background-tabs = true
 select-on-remove = next
 new-tab-position = next
 new-tab-position-explicit = next