diff --git a/avr/boards.txt b/avr/boards.txt
index 275f904..462349c 100644
--- a/avr/boards.txt
+++ b/avr/boards.txt
@@ -173,6 +173,9 @@ atreus2.build.core=arduino:arduino
 atreus2.build.variant=atreus2
 
 
+model01.bootloader.pid=0x0036
+model01.bootloader.vid=0x2341
+
 atreus2.upload.tool=avrdude
 atreus2.upload.protocol=avr109
 atreus2.upload.maximum_size=28672
diff --git a/avr/libraries/Kaleidoscope b/avr/libraries/Kaleidoscope
index 0094832..b79f2ea 160000
--- a/avr/libraries/Kaleidoscope
+++ b/avr/libraries/Kaleidoscope
@@ -1 +1 @@
-Subproject commit 0094832b123d99a91c42b694557a08e27c471269
+Subproject commit b79f2ea0eb8adc43cb5cb4397f349c1b7ec80a55
diff --git a/avr/platform.txt b/avr/platform.txt
index c9fa9d2..c97013a 100644
--- a/avr/platform.txt
+++ b/avr/platform.txt
@@ -19,6 +19,7 @@ compiler.warning_flags.all=-Wall -Wextra
 
 # Default "compiler.path" is correct, change only if you want to override the initial value
 compiler.path={runtime.tools.avr-gcc.path}/bin/
+#compiler.path=/usr/bin/
 compiler.c.cmd=avr-gcc
 compiler.c.flags=-c -g -Os {compiler.warning_flags} -std=gnu11 -ffunction-sections -fdata-sections -MMD
 compiler.c.elf.flags={compiler.warning_flags} -Os -Wl,--gc-sections
@@ -177,3 +178,13 @@ tools.rm_end.cmd.windows= ; exit 0
 # - from numeric vendor ID, set to Unknown otherwise
 build.usb_manufacturer="Unknown"
 build.usb_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid} '-DUSB_MANUFACTURER={build.usb_manufacturer}' '-DUSB_PRODUCT={build.usb_product}'
+
+
+# ctags configuration
+# Remove from the Arduino core in 1.8.10.
+# Jesse isn't sure why arduino removed it, but adding it here for now to unbreak builds
+# ------------------------------
+tools.ctags.path={runtime.tools.ctags.path}
+tools.ctags.cmd.path={path}/ctags
+tools.ctags.pattern="{cmd.path}" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "{source_file}"
+