In Setting , the helpUrl doesn't work anymore in parameters in a connect IQ dev with garmin connect and garmin connect IQ in android (perhaps in IOS too)

I can confirm this is affecting the iOS application Garmin applications as well.
If it helps, my experience with this issue is that the URL would still display in my settings but when my users tried to save their changes they were greeted by an "invalid value" error.

I've since removed all helpURLs from my settings to allow users to continue to use  my apps.

i detected that in now in Garmin connect for IOS you cannot set a single space character in the settings, it will be at least one character but not just a space

Note: I am just a plain vanilla user, not a developer.

Anyway I wish to confirm that something went wrong recently.

Both GC app IOS and IQ app IOS think that the character “|” is a non-wanted character, or a “ “ (space) character. Or at least “|” is deleted if it is set. Other non-typical characters being available on an iphone/ipad like eg. “•” is properly processes by Garmin apps.

I do have this settings of “|” and until the latest version of GC and IQ apps it worked. I wished to modify the settings of the watchface I use, but when I attempted it, “|” characters were removed during the save process of IQ app. The same result with GC app.

For now, try Garmin Express.  That should work.  There's a separate bug report about the characters 

https://forums.garmin.com/developer/connect-iq/i/bug-reports/regression-bug-connect-iq-store-version-2-12-android-characters-don-t-working-anymore

Thanks, Jim.