Per Tillisch

We are tracking the request for a capability to specify which board to target under these conditions here: https://github.com/arduino/arduino-cli/issues/770

Actually, thinking about it more, this is already available for uploads (but not for `burn-bootloader` as requested at https://github.com/arduino/arduino-cli/issues/770): https://arduino.github.io/arduino-cli/dev/platform-specification/#user-provided-fields

>a custom SAMD based core installed How was it installed? Did you use `arduino-cli core install`? Or did you install it manually to `/hardware`? >The lack of (a way to...

Hi @racin44. Thanks for your report. >Downloading index signature: library_index.json.sig keeps freezing up What do you mean by "freezing up"? Do you mean that it never completes no matter how...

I'm going to ask you to provide some additional information that might help us to identify the problem. Please do this: 1. Start Windows "**File Explorer**". 1. Open the Arduino...

Make sure you run that command from the folder that contains the file `Arduino IDE.exe`

OK, let's try something else: 1. Open [Windows "**File Explorer**"](https://support.microsoft.com/en-us/windows/find-and-open-file-explorer-ef370130-1cca-9dc5-e0df-2f7416fe1cb1). 1. Opening the "**View**" menu at the top of **File Explorer**. 1. Check the box next to "**☐ Hidden items**"...

Thanks for the information @hugehaggis >doesn't acept input(mouse clicks) Is this limited to one specific part of the Arduino IDE UI, or is every component of the UI (e.g., menus,...

>in either case it comes back with each restart. The Arduino IDE will no longer update the index on every restart. It now only does it if it has been...

Hi @sayzergithub. Thanks for your report. I did some experimentation but was not able to reproduce the issue. >port stays open while IDE is running What are you doing to...