Feature request: Limit topic translation to specific categories

nat · March 31, 2026, 9:48am

Adding this here for now:

github.com/discourse/discourse

FEATURE: Expand AI translation settings to allow choosing specific categories instead of just 'all public content' (#39000)

main ← ai-translation-category-pm

opened 09:45AM - 31 Mar 26 UTC

nattsw

+752 -470

Related: https://meta.discourse.org/t/feature-request-limit-topic-translation-to…-specific-categories/392993 The old `ai_translation_backfill_limit_to_public_content` setting was too coarse. It either translated everything or only public content, with no way to pick specific categories or control PM translation separately. This replaces it with two settings: - `ai_translation_target_categories` (category_list): pick exactly which categories get translated. Subcategories need to be added separately. Empty means no category topics get translated. - `ai_translation_private_messages` (enum: none / group / all): controls PM translation independently. none disables it, group limits to group PMs, all includes ... all. Tags are switched to "always translated". The migration reads the old setting and maps it to the new settings, so existing sites keep their current behaviour. It also cleans up the old setting. <img width="359" height="511" alt="Screenshot 2026-03-31 at 5 33 45 PM" src="https://github.com/user-attachments/assets/48ed19e8-f559-447c-a7af-c235698d62df" />

Give us a day or two to merge this.

Topic		Replies	Views
AI Translation: What happened to "Translatable Categories" and how are translation costs calculated? Support ai , dynaloc	2	80	June 11, 2026
Content Localization - Manual and Automatic with Discourse AI Site Management ai , content-localization	53	4222	February 10, 2026
AI translation of all PMs Feature ai , content-localization	6	181	March 31, 2026
Everything is translated, help! Site feedback content-localization	11	434	August 30, 2025
Translating welcome topics Translations	5	1960	December 28, 2016

Feature request: Limit topic translation to specific categories

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