Some minor edits.

.config/castero/castero.conf

@@ -25,10 +25,6 @@ retain_absent_episodes = False
 # default: False
 disable_vertical_borders = False
 
-# Disable the "Found x feeds with y total episodes..." default footer message.
-# default: False
-disable_default_status = False
-
 # Whether to remove HTML tags from feed/episode descriptions.
 # default: True
 clean_html_descriptions = True
@@ -37,13 +33,32 @@ clean_html_descriptions = True
 # default: False
 right_align_time = False
 
+# The display refresh delay, in ms. Increase to reduce idle CPU usage.
+# default: 30
+refresh_delay = 30
+
 # The external player to use for media playback.
 # If the given player is not valid or a dependency is not met, the client will
 # instead try to use the first valid interface.
 # Available players (in order of precedence):
 # mpv, vlc
 # default: (blank)
-player =
+player = 
+
+# The command to run when you press key_execute (default e). All instances of
+# the following tokens are replaced with the corresponding episode attributes:
+#   {file} - the episode enclosure, usually a remote mp3 file
+#   {title} - the episode name
+#   {description} - the episode description
+#   {link} - the link to the episode, which is often a blog post 
+#   {pubdate} - the publish date/time of the episode
+#   {copyright} - the copyright of the episode
+# Most of these attributes have spaces, so you will probably want to enclose
+# the token with quotations.
+# For example, `firefox "{file}"` would open the file in Firefox.
+# The client executes the text you enter as a shell command. Use with caution!
+# default: (blank)
+execute_command = 
 
 
 [feeds]
@@ -58,7 +73,12 @@ reload_on_start = False
 # to blank or whitespaces to disable -- the client will default to either
 # $XDG_DATA_DIR, if set, otherwise ~/.local/share/castero/downloaded
 # default: (blank)
-custom_download_dir =
+custom_download_dir = 
+
+# The timeout for network requests, in seconds. The same value is used for
+# connection and read timeouts.
+# default: 3
+request_timeout = 3
 
 
 [colors]
@@ -76,17 +96,28 @@ color_foreground = yellow
 color_background = black
 
 # The foreground (text) color of selected items.
-# default: white
+# default: black
 color_foreground_alt = white
 
 # The background color of selected items.
-# default: black
+# default: white
 color_background_alt = black
 
 # The foreground (text) color of marked items. Paired with color_background.
 # default: green
 color_foreground_dim = green
 
+# The foreground (text) color of status lines. Paired with color_background.
+# default: white
+color_foreground_status = white
+
+# The foreground (text) color of menu headings. Paired with color_background.
+# default: yellow
+color_foreground_heading = yellow
+
+# The foreground (text) color of dividers. Paired with color_background.
+# default: white
+color_foreground_dividers = white
 
 [playback]
 # The distance to move forward when pressing seek keys, in seconds.
@@ -97,6 +128,10 @@ seek_distance_forward = 30
 # default: 10
 seek_distance_backward = 10
 
+# The default playback speed. See also the rate_increase/rate_decrease keys.
+# default: 1.0
+default_playback_speed = 1.0
+
 
 [keys]
 # Keybindings for controlling the client. Entries may not be blank, but may
@@ -168,10 +203,17 @@ key_clear = c
 # default: n
 key_next = n
 
+# Execute a command on the selected episode. See also execute_command.
+key_execute = e
+
 # Invert the order of the menu.
 # default: i
 key_invert = i
 
+# Filter the contents of the menu. Press again to clear the filter.
+# default: /
+key_filter = /
+
 # Mark the episode as played/unplayed.
 # default: i
 key_mark_played = m
@@ -206,4 +248,8 @@ key_rate_increase = ]
 
 # Decrease playback speed.
 # default: [
-key_rate_decrease = [
+key_rate_decrease = [
+
+# Show episode URL.
+# default: u
+key_show_url = u

.config/xmobar/xmobarrc0

@@ -37,5 +37,5 @@ Config { font    = "xft:Ubuntu:weight=bold:pixelsize=11:antialias=true:hinting=t
                     ]
        , sepChar = "%"
        , alignSep = "}{"
-       , template = " <icon=haskell_20.xpm/> <fc=#666666>  |</fc> %UnsafeStdinReader% }{ <fc=#666666><fn=2>|</fn> </fc><fc=#b3afc2><fn=1></fn>  %uname% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FFB86C> %cpu% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FF5555> %memory% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#82AAFF> %disku% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#c3e88d> %enp6s0% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#e1acff><fn=1></fn>  %pacupdate%</fc><fc=#666666> <fn=2>|</fn></fc> <fc=#8BE9FD> %date%  </fc>"
+       , template = " <action=`xdotool key control+alt+t`><icon=haskell_20.xpm/> </action><fc=#666666>  |</fc> %UnsafeStdinReader% }{ <fc=#666666><fn=2>|</fn> </fc><fc=#b3afc2><fn=1></fn>  %uname% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FFB86C> %cpu% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FF5555> %memory% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#82AAFF> %disku% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#c3e88d> %enp6s0% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#e1acff><fn=1></fn>  %pacupdate%</fc><fc=#666666> <fn=2>|</fn></fc> <fc=#8BE9FD> %date%  </fc>"
        }

.config/xmobar/xmobarrc1

@@ -37,5 +37,5 @@ Config { font    = "xft:Ubuntu:weight=bold:pixelsize=11:antialias=true:hinting=t
                     ]
        , sepChar = "%"
        , alignSep = "}{"
-       , template = " <icon=haskell_20.xpm/> <fc=#666666>  |</fc> %UnsafeStdinReader% }{ <fc=#666666><fn=2>|</fn> </fc><fc=#b3afc2><fn=1></fn>  %uname% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FFB86C> %cpu% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FF5555> %memory% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#82AAFF> %disku% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#c3e88d> %enp6s0% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#e1acff><fn=1></fn>  %pacupdate%</fc><fc=#666666> <fn=2>|</fn></fc> <fc=#8BE9FD> %date%  </fc>"
+       , template = " <action=`xdotool key control+alt+t`><icon=haskell_20.xpm/> </action><fc=#666666>  |</fc> %UnsafeStdinReader% }{ <fc=#666666><fn=2>|</fn> </fc><fc=#b3afc2><fn=1></fn>  %uname% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FFB86C> %cpu% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FF5555> %memory% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#82AAFF> %disku% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#c3e88d> %enp6s0% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#e1acff><fn=1></fn>  %pacupdate%</fc><fc=#666666> <fn=2>|</fn></fc> <fc=#8BE9FD> %date%  </fc>"
        }

.config/xmobar/xmobarrc2

@@ -39,5 +39,5 @@ Config { font    = "xft:Ubuntu:weight=bold:pixelsize=11:antialias=true:hinting=t
                     ]
        , sepChar = "%"
        , alignSep = "}{"
-       , template = " <icon=haskell_20.xpm/> <fc=#666666>  |</fc> %UnsafeStdinReader% }{ <fc=#666666><fn=2>|</fn> </fc><fc=#b3afc2><fn=1></fn>  %uname% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FFB86C> %cpu% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FF5555> %memory% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#82AAFF> %disku% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#c3e88d> %enp6s0% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#e1acff><fn=1></fn>  %pacupdate%</fc><fc=#666666> <fn=2>|</fn></fc> <fc=#8BE9FD> %date% </fc><fc=#666666><fn=2>|</fn></fc>%trayerpad%"
+       , template = " <action=`xdotool key control+alt+t`><icon=haskell_20.xpm/> </action><fc=#666666>  |</fc> %UnsafeStdinReader% }{ <fc=#666666><fn=2>|</fn> </fc><fc=#b3afc2><fn=1></fn>  %uname% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FFB86C> %cpu% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#FF5555> %memory% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#82AAFF> %disku% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#c3e88d> %enp6s0% </fc><fc=#666666> <fn=2>|</fn></fc> <fc=#e1acff><fn=1></fn>  %pacupdate%</fc><fc=#666666> <fn=2>|</fn></fc> <fc=#8BE9FD> %date% </fc><fc=#666666><fn=2>|</fn></fc>%trayerpad%"
        }