The discussion addresses how long it takes for a new Patreon supporter to gain access to a private forum. haydenjames initially experienced a delay but resolved it by manually syncing, noting the last automatic sync was 5 hours prior. JammyDodger references the default sync job, which runs four times daily, and explains that webhooks can trigger instant syncs. Falco clarifies that access is instant if the user is already a patron or if webhooks are configured; otherwise, it may take up to 6 hours. haydenjames confirms the webhook works well.
How long before a new Patreon is given access to the Patreon-only private forum? Its been 25 mins.
Edit: Got it to work by manually syncing with this button:
Prior to that, the last automatic sync was 5 hours ago. So going to look into setting up webhook.
Mods can delete this thread or keep it if useful.
According to the guide, the sync job is run 4 times a day as a default:
Thanks, yes the webhook works well. 
If the user was already a patron when he signs up for Discourse the access is instant.
If the user becomes a patron after signing up for Discourse and you have webhooks configured the access is instant.
If the user becomes a patron after signing up for Discourse and you don’t have webhooks configured the access takes up to 6 hours.