Polylang has two options for syncing custom fields – all or nothing, but in some cases we need more fine-grain control.

The usual requirement is to be able to exclude one or two fields, while syncing the majority – the alternative is to not sync any of the post meta and instead require content editors to manually enter all data in each translated post copy – this is both tedious and prone to error.

Here is a simple filter function to allow for specified post meta fields to be excluded from this sync.

We find a number of users who request this functionality and are considering adding this to the main PolyLang settings page in the future.