If a Z39.50 server configuration is set to use MARC holdings, the availability fields become read-only. If you need to edit the availability fields, please contact your support representative so they can edit directly in database for you. v8.7 and v9.01 vote
When copying and pasting a long matchstring (e.g., over 40,000 characters) into the Customization Manager, the match string will disappear after clicking out of the field and then saving. The matchstring will still work; however, you won't be able to see the entire matchstring in the field.
Bug# 46490 votes
Ctrl-S does not save on Addons form in Customization Manager like it does with the other CustMan forms
Bug# 46530 votes
The following Key do not have a description in the Customization Manager:
Bug# 45690 votes