diff --git a/.github/issue_template.md b/.github/issue_template.md
index a211ca5e2715..6cb34b8f588a 100644
--- a/.github/issue_template.md
+++ b/.github/issue_template.md
@@ -1,11 +1,35 @@
-# NO SUPPORT REQUESTS PLEASE
+<!--
 
-Do you want to ask a question? Are you looking for support? Please don't post here. Support Requests posted here will be automatically closed!
+Have you read Marlin's Code of Conduct? By filing an Issue, you are expected to comply with it, including treating everyone with respect: https://github.com/MarlinFirmware/Marlin/blob/bugfix-2.0.x/.github/code_of_conduct.md
 
-Instead use one of the following options:
+Do you want to ask a question? Are you looking for support? Please don't post here. Instead use one of the following options:
 
 - The Marlin Firmware forum at https://reprap.org/forum/list.php?415
 - The MarlinFirmware Facebook Group at https://www.facebook.com/groups/1049718498464482/
 - The MarlinFirmware Discord Server at https://discord.gg/n5NJ59y.
 
 Before filing an issue be sure to test the latest "bugfix" branch to see whether the issue is already addressed.
+
+-->
+
+### Description
+
+<!-- Description of the bug or requested feature -->
+
+### Steps to Reproduce
+
+<!-- If this is a Bug Report, please describe the steps needed to reproduce the issue -->
+
+1. [First Step]
+2. [Second Step]
+3. [and so on...]
+
+**Expected behavior:** [What you expect to happen]
+
+**Actual behavior:** [What actually happens]
+
+#### Additional Information
+
+* Include a ZIP file containing your `Configuration.h` and `Configuration_adv.h` files.
+* Provide pictures or links to videos that clearly demonstrate the issue.
+* See [How Can I Contribute](#how-can-i-contribute) for additional guidelines.
diff --git a/Marlin/Version.h b/Marlin/Version.h
index 60e068ba3521..fe0724fbfcb1 100644
--- a/Marlin/Version.h
+++ b/Marlin/Version.h
@@ -28,7 +28,7 @@
 /**
  * Marlin release version identifier
  */
-//#define SHORT_BUILD_VERSION "2.0.7.2"
+//#define SHORT_BUILD_VERSION "bugfix-2.0.x"
 
 /**
  * Verbose version identifier which should contain a reference to the location
@@ -41,7 +41,7 @@
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
-//#define STRING_DISTRIBUTION_DATE "2020-07-09"
+//#define STRING_DISTRIBUTION_DATE "2019-07-10"
 
 /**
  * Defines a generic printer name to be output to the LCD after booting Marlin.
diff --git a/Marlin/src/HAL/AVR/HAL.h b/Marlin/src/HAL/AVR/HAL.h
index 6e0afa8f10ed..ce15ed29fb3a 100644
--- a/Marlin/src/HAL/AVR/HAL.h
+++ b/Marlin/src/HAL/AVR/HAL.h
@@ -25,7 +25,7 @@
 #include "watchdog.h"
 #include "math.h"
 
-#ifdef IS_AT90USB
+#ifdef USBCON
   #include <HardwareSerial.h>
 #else
   #define HardwareSerial_h // Hack to prevent HardwareSerial.h header inclusion
@@ -81,7 +81,7 @@ typedef int8_t pin_t;
 //extern uint8_t MCUSR;
 
 // Serial ports
-#ifdef IS_AT90USB
+#ifdef USBCON
   #define MYSERIAL0 TERN(BLUETOOTH, bluetoothSerial, Serial)
 #else
   #if !WITHIN(SERIAL_PORT, -1, 3)
diff --git a/Marlin/src/HAL/AVR/MarlinSerial.cpp b/Marlin/src/HAL/AVR/MarlinSerial.cpp
index 8feac32aa74c..63599efd4132 100644
--- a/Marlin/src/HAL/AVR/MarlinSerial.cpp
+++ b/Marlin/src/HAL/AVR/MarlinSerial.cpp
@@ -38,7 +38,7 @@
 
 #include "../../inc/MarlinConfig.h"
 
-#if !IS_AT90USB && (defined(UBRRH) || defined(UBRR0H) || defined(UBRR1H) || defined(UBRR2H) || defined(UBRR3H))
+#if !defined(USBCON) && (defined(UBRRH) || defined(UBRR0H) || defined(UBRR1H) || defined(UBRR2H) || defined(UBRR3H))
 
 #include "MarlinSerial.h"
 #include "../../MarlinCore.h"
@@ -792,10 +792,10 @@ MarlinSerial<MarlinSerialCfg<SERIAL_PORT>> customizedSerial1;
 
 #endif
 
-#endif // !IS_AT90USB && (UBRRH || UBRR0H || UBRR1H || UBRR2H || UBRR3H)
+#endif // !USBCON && (UBRRH || UBRR0H || UBRR1H || UBRR2H || UBRR3H)
 
 // For AT90USB targets use the UART for BT interfacing
-#if BOTH(IS_AT90USB, BLUETOOTH)
+#if defined(USBCON) && ENABLED(BLUETOOTH)
   HardwareSerial bluetoothSerial;
 #endif
 
diff --git a/Marlin/src/HAL/AVR/MarlinSerial.h b/Marlin/src/HAL/AVR/MarlinSerial.h
index 3850e2a47e2a..8a0423d143d8 100644
--- a/Marlin/src/HAL/AVR/MarlinSerial.h
+++ b/Marlin/src/HAL/AVR/MarlinSerial.h
@@ -327,6 +327,6 @@
 #endif
 
 // Use the UART for Bluetooth in AT90USB configurations
-#if BOTH(IS_AT90USB, BLUETOOTH)
+#if defined(USBCON) && ENABLED(BLUETOOTH)
   extern HardwareSerial bluetoothSerial;
 #endif
diff --git a/Marlin/src/gcode/queue.cpp b/Marlin/src/gcode/queue.cpp
index ba2f99defd71..12dfce5111ff 100644
--- a/Marlin/src/gcode/queue.cpp
+++ b/Marlin/src/gcode/queue.cpp
@@ -640,7 +640,7 @@ void GCodeQueue::advance() {
         card.closefile();
         SERIAL_ECHOLNPGM(STR_FILE_SAVED);
 
-        #if !IS_AT90USB
+        #if !defined(__AVR__) || !defined(USBCON)
           #if ENABLED(SERIAL_STATS_DROPPED_RX)
             SERIAL_ECHOLNPAIR("Dropped bytes: ", MYSERIAL0.dropped());
           #endif
diff --git a/config/README.md b/config/README.md
index 68cbe1a78607..b5013627eace 100644
--- a/config/README.md
+++ b/config/README.md
@@ -1,3 +1,9 @@
 # Where have all the configurations gone?
 
-## https://github.com/MarlinFirmware/Configurations/archive/release-2.0.7.2.zip
+Marlin configurations for specific machines are now maintained in their own repository at:
+
+## https://github.com/MarlinFirmware/Configurations
+
+Configuration files for use with the nightly `bugfix-2.0.x` branch can be downloaded from:
+
+## https://github.com/MarlinFirmware/Configurations/archive/bugfix-2.0.x.zip