Property:

org.zkoss.zk.ui.uuidRecycle.disabled

Default: false (i.e., UUID recycle is enabled)

Show the warning below to recommend disabling this feature. (i.e. specifying with true)

UID recycle is enabled and it's better to disable it by specifying a library property 'org.zkoss.zk.ui.uuidRecycle.disabled' with true to prevent some unwanted widget uuid reusing at client side accidentally.

Deprecated

It specifies whether to disable the recycling of UUID. By recycling UUID it will reduce the memory use of the browser. It is enabled by default.