Version in base suite: 1.8.6+dfsg-1
Base version: arduino-core-avr_1.8.6+dfsg-1
Target version: arduino-core-avr_1.8.7+dfsg-1~deb12u1
Base files: arduino-core-avr_1.8.6+dfsg-1.dsc
Target files: arduino-core-avr_1.8.7+dfsg-1~deb12u1.dsc

+W: newer-standards-version 4.7.3 (current is 4.7.2)