Stellaris 4.5 has received the notes for Open Beta Update 6, published on August 20, 2026. Dev Diary #429 covers balance, management and compatibility adjustments, alongside summer experiments whose future remains uncertain. Another open beta update is expected next week, but no precise date has been given. For more announcements shaping video games, also check out the latest video game news.
Update 6 changes colonies, offices and compatibility


Update 6 includes balance changes, bug fixes and improvements to the AI, interface, performance, stability and modding. The most consequential adjustments concern the economy and empire management.
Hedonist Pop growth now requires available housing and amenities in the colony. It also stops when there is a consumer goods deficit, making the growth process less automatic and potentially changing how specialized colonies are planned.
Pleasure Seeker empires now start with a Civilian Industries building instead of Holo-Theatres. That changes their first construction choices and creates a different early-game priority without altering their overall identity.
Branch offices now cost 75 Influence, plus a distance penalty of 5 per jump. The previous calculation applied 75 Influence per jump, so distant placements should now be easier to assess.
The notes also clarify macOS support. Apple Silicon versions can run natively through a universal arm64 and x86_64 binary, without Rosetta 2. The Dev Diary does not provide performance figures.
The next beta is expected next week, without a date
The firm reference is the official publication of Dev Diary #429 on 2026-08-20. It says that another open beta update should arrive the following week, without specifying a day, time or version number.
For players following an experimental branch, this is a working horizon rather than a locked deployment date. official Steam Community post remains the reference for tracking the still-flexible schedule.
No price, Game Pass or PlayStation Plus offer, DLC or trailer has been announced. The next step concerns the open beta, not a commercial launch.
Harvesting Rights could let nomads use resources across borders
The most intriguing idea is Harvesting Rights, an experiment involving a commercial agreement between nomadic and sedentary empires. It would allow a nomadic empire to harvest resources within a sedentary empire’s borders during that agreement.
The editorial team sees a clear fit with the economic tensions of a grand strategy game: a nomadic empire could obtain a resource without directly annexing the territory concerned. However, Harvesting Rights has not yet been validated through testing or QA. It cannot therefore be presented as ready for a normal game, and this reading does not prejudge its final form.
Update 6 already gives players concrete elements to examine: costs, colony needs and the Pleasure Seekers’ starting setup. Harvesting Rights should remain something to watch. The summer experiments are unvalidated proposals, and their future integration is not guaranteed.
This transparency offers a useful glimpse of how balance work develops before validation. It is less spectacular than a new expansion, but it may indicate the direction of some systems.
Apple Silicon support is clearer, but platforms and co-op are unchanged
The Dev Diary confirms no additional platform and announces no changes to co-op or crossplay. That silence is not a promise; the publication focuses primarily on the Open Beta branch and its internal adjustments.
The only technical clarification concerns macOS versions on Apple Silicon. Support for a universal arm64 and x86_64 binary clarifies compatibility without promising performance gains. No price or commercial schedule has been communicated.
Players interested in system changes can continue reading with our gaming articles. The important distinction is between changes already written into Update 6 and ideas that remain experimental.
What players can follow next
The next open beta update still has no precise day or time. Harvesting Rights may or may not become a validated mechanic, while the summer experiments can still change during testing and QA.
Stellaris 4.5 is moving forward through iterations. Update 6 brings concrete changes, while Harvesting Rights opens an interesting avenue without a final commitment. To follow the next clarifications, regularly check the news section and official Dev Diary #429 post.
Frequently asked questions
When will the next open beta update arrive?
It is expected the following week, but no precise day has been announced.
Does the Dev Diary give a deployment date?
No. It only gives the horizon of the following week, without a precise date or time.
Will Harvesting Rights be integrated into the final game?
That is not guaranteed. Harvesting Rights is still part of the summer experiments that have not been validated by testing or QA.
What changes are already planned for Update 6?
They include branch office costs, the needs of Hedonist Pops, the Pleasure Seekers’ starting setup and native compatibility for Apple Silicon Macs.
To keep following the topic, also read our article on Stellaris 4.5: bc43 puts starbases and fleets in the spotlight and our article on Battlefield 6: Top Gun opens a free trial week.
Verified sources
These links make it possible to verify the key information used in this article.
- steamcommunity.com: Steam Community — Stellaris Dev Diary #429 confirms the Stellaris 4.5 “Cygnus” Open Beta Update 6 notes, the non-guaranteed summer experiments and the next beta expected the following week; published on August 20, 2026.