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The SaplingNewsPatch v13.30 (beta only)
Game update

Patch v13.30 (beta only)

The Sapling · published 13 Dec 2025, 19:56 UTC · build 21177114

All newsPlayers around this dateRead on Steam

More work on animation

  • Added sleeping animations: animals squatting, moving head down and to the side
  • Added egg laying animation (best visible in animals with a tail, because they move it up)
  • Optimized specializing animations to player designed animals, and made it possible for an animation to only affect the first limbs (instead of all of them)
  • Changed animation where tailless aquatic animal swim with their fins: they now only move the first set of fins
  • More natural flying animation: made downwards wing movement faster and upwards wing movement slower
  • Made undulating swimming animation symmetrical

Working on limb body parts

  • Added animation weights to 'ocean floor walker', 'filiform', 'hopping', 'spindly' and 'swings between branches' limbs (which reveal they need a separate set of animations)
  • Went over all limb stats in detail for a first balancing iteration

Fixes for seasons in the planet editor

  • Previewing seasons in the planet editor now shows the correct stats and climate zones (thanks azul1462, ultraneongodpet)
  • Going to the season editor no longer toggles the planet editor to manually drawn statistics
  • Turning off seasons now removes the season indicator
  • If you are looking at another season than season A while turning off seasons, update the terrain overlay

Other planet editor fixes

  • The correct map editor tool button is already selected when you enter the editor
  • Fixed the continent highlighting textures carrying over to a new game session (thanks azul1462, Taylor Lilius, DayzeDaisy!)
  • Made it so the planet editor always uses gravity for planet size in spherical mode (rotating planet), but map size when showing the flat map view (thanks saralb123!)
  • Adding planet rings when manually drawing stats no longer causes the planet editor to freeze
  • Increased default deep ground water (thanks Ultraneongodpet!)

Small UI fixes

  • Made it so pressing ESC when something else is open first removes that thing, preventing situations where it overlaps with other UI
  • Prevented UI overlapping when a dropdown is open and you click an organism

Sessile animal fixes

  • Turns out my fix for the ballistic mouth broke all other mouths on top *facepalm*. Now they all work. (thanks Ultraneongodpet!)
  • Fixed problem where lowering the terrain height did not update how high sessile animals grow
  • 'Slow moving tube feet' no longer swim around like they're not sessile at all (thanks Cody beaver!)

Misc

  • Updating the terrain mid simulation while the camera is underwater will no longer lead to unexpected moiré patterns on the ocean floor

I often forget to read comments below release notes, so if you have questions, suggestions or bug reports, feel free to reach out via the Steam forums or [email protected].

More from The Sapling

Other announcements

All news
Esports30 Jun 2026The stream is almost halfway! Watch together with the dev in 2 hoursAs you might know, at the moment I'm running a long livestream, simulating evolution 24/7. It's all epxplained in this video: We've been able to follow the planet Wright-2b for almost a week now, and the moving continent (named 'Rupert' by the community) is about halfway its journey. Many interesting things are happening, like: · The two main continents are each hosting their own plant family:…Esports25 Jun 2026Wright-2b is live!Streaming evolution simulation indie game The Sapling, 24/7 for 2 weeks: We started on planet Wright-2b with a simple alga and underwater animal, turned on random mutations, and now we watch what evolves. Introduction to the project: Introduction to the world:Game update16 May 2026Patch v13.71Balancing and fixes for animals · Various legs besides the body now have special requirements for the animal to have more than 1 set of limbs, to make them look more natural (already in the previous patch logs, but now it's working) · Sessile animals with moving juveniles now actually move to the ocean floor and stop moving as adults (thanks, Cody Beaver, Cringus Ringus, Spectator, Acarlis, mic…