Patch
Hotfix 2026.10.21
Fixed the 'No item' filter in docks and drone bays and raised the default engine Max Objects setting.
Signal log
Main Sequence updates and patch notes
A dated log of official announcements, demo changes and balance patches. No invented future roadmap, no fake freshness.
- Official sources only
- Last checked November 1, 2026
- Newest entry: October 21, 2026
Visual reference / official media
The update log tracks public communications and patch notes, not unannounced development work.
Latest official entry
Hotfix 2026.10.21
2026-10-21 · Patch
Fixed the 'No item' filter in docks and drone bays and raised the default engine Max Objects setting.
How this log works
We add entries only when there is an official announcement, patch note or storefront change to point to. Dates refer to the publication date. The absence of an entry does not mean the developer is inactive; it means we did not find a verifiable public update.
2026
14 verified entriesDemo
Next Fest demo update adds co-op and Electromagnetic Science
The demo received the new world generation and tech tree from the September playtest, Electromagnetic Science, new equipment and places, new modules including Shield Generator Mk. 1, and co-op multiplayer.
Release
Early Access release date announced: November 12, 2026
Tumbling Dumpling Studio confirmed the Steam Early Access date. Price and launch-time details were promised for a later announcement.
Patch
Playtest 2 Patch 4
Version 0.1.80 reduced several ship-part masses, clarified that only Warp Fuel can be inserted into the Slipstream Drive, and fixed a list of demo and UI issues.
Patch
Playtest 2 Patch 3
Changed station plasma turret and container build costs, moved some furniture unlocks, and fixed ship designer and mission-objective issues.
Patch
Playtest 2 Patch 1
Fixed UI volume, assembler quick-select filters, Splitter Mk. 1 configuration, machine-output reconnection, item tooltips and Slipstream Drive range display.
Playtest
September playtest announced with full game content
The September 17–25 playtest was set to include Cobalt and Graphite, Electromagnetic and Quantum Science, abandoned stations, a Trading Outpost, the Relic Destroyer, the Interstellar Warp Drive and experimental multiplayer.
Development
Demo passes 100,000 wishlists; peaceful mode discussed
The developer thanked demo players and noted that peaceful mode was already available in the demo, with more difficulty and customization options planned for Early Access.
Patch
Demo Hotfix 2
Fixed Landing Gear unlocking when editing a ship and fixed enriched titanium and nickel ore refining at the ship workstation.
Patch
Demo Hotfix 1
Fixed an Arena crash, ship changes not applying, blueprint unlock checks and dock clipping; reduced enriched ore crafting time and noted an AMD RX 500-series issue being investigated.
Demo
Demo available now; Mythwright announced as publisher
The public demo launched with a visual overhaul, cobalt refining and ore enrichment, new star types, new enemies and tutorials. Mythwright was announced as publisher.
Development
Alpha playtest closes as demo work continues
The alpha playtest ended. The developer said the upcoming demo would include a complete visual overhaul, new production lines and enemies.
Development
Setting details revealed; 50,000 wishlists reached
The developer introduced the Fracture, the Main Sequence Initiative and Frontier Heavy Industries, establishing the player as a station commander on the frontier.
Development
Main Sequence in 2026
A development review covering the 2025 playtest, the decision to delay the demo for polish, community builds and plans for the year.
2025
1 verified entriesDevelopment
Introducing Main Sequence
The first Steam announcement outlined the core loop: asteroid mining, station building, ship and station design, automation, science labs and creative-mode blueprints.
Source log
Update log sources
Each entry in the signal log is tied to one of these official announcements or the store listing used for launch facts.
- Hotfix 2026.10.21Main Sequence / Steam2026-10-21Official developer / publisher
Demo filter and performance fixes in the October 21 hotfix.
- Next Fest Demo UpdateMain Sequence / Steam2026-10-19Official developer / publisher
October demo update, Electromagnetic Science, new modules including Shield Generator Mk. 1, co-op in the demo.
- Main Sequence launches into Early Access on November 12th!Main Sequence / Steam2026-10-01Official developer / publisher
Early Access date, promise of future price and launch-time details.
- Playtest 2 Patch 4Main Sequence / Steam2026-09-21Official developer / publisher
Ship component masses, repair mechanics, Warp Fuel restriction, Slipstream Drive tutorial, general fixes.
- Playtest 2 Patch 3Main Sequence / Steam2026-09-17Official developer / publisher
Build-cost changes for turrets and containers, Furniture 1/2 unlock changes.
- Playtest 2 Patch 1Main Sequence / Steam2026-09-14Official developer / publisher
Splitter and filter fixes, Slipstream range display fix, larger thruster details.
- Playtest WeekMain Sequence / Steam2026-09-09Official developer / publisher
Playtest scope, Cobalt and Graphite, abandoned stations, Trading Outpost, Relic Destroyer, Interstellar Warp Drive and advanced science types.
- Thank You for 100 000 Wishlists!Main Sequence / Steam2026-06-09Official developer / publisher
Peaceful mode in the demo, planned difficulty and customization options, wishlist milestone.
- Demo Hotfix 2Main Sequence / Steam2026-06-02Official developer / publisher
Landing Gear unlock fix, enriched titanium and nickel ore processing fix.
- Demo Hotfix 1Main Sequence / Steam2026-05-30Official developer / publisher
Demo hotfix details, enriched ore crafting time, known AMD RX 500-series issue at the time.
- Demo Available Now!Main Sequence / Steam2026-05-28Official developer / publisher
Demo release, Mythwright publishing announcement, cobalt refining, ore enrichment, new star types and enemies.
- Thank You for Playtesting!Main Sequence / Steam2026-05-27Official developer / publisher
Alpha playtest closure, visual overhaul, new production lines and enemies ahead of the demo.
- Thank You for 50,000 Wishlists!Main Sequence / Steam2026-02-13Official developer / publisher
Setting: the Fracture, the Main Sequence Initiative, Frontier Heavy Industries and the station commander role.
- Main Sequence in 2026Main Sequence / Steam2026-01-19Official developer / publisher
Development history, 2025 playtest, demo timing, community screenshots and future plans.
- Introducing Main SequenceMain Sequence / Steam2025-08-12Official developer / publisher
Core gameplay loop, ship and station designer, mining drone bays, science labs, creative mode.
Accessed and checked November 1, 2026. External pages can change after publication.
Official channels