The Sapling
Steam News 6 December 20255mo ago

Patch v13.27 (beta only)

Introducing save file format 13 Includes steepness of the terrain Remembers manual mode in the soil statistics view Updated the loading view explanation (which formats are supported) Working on flight with insect wings…

Update log

Full The Sapling update

The complete published notes, normalized for clean reading and source attribution.

Extracted changes

2 fixes3 additions3 changes5 removals
  • Gameplay
  • Fixes
  • UI and audio
changedIntroducing save file format 13Updated the loading view explanation (which formats are supported)
removedWorking on flight with insect wingsAnimals with insect wings no longer stop moving when flying at normal time speeds
addedWorking on flight with insect wingsAdded aerial idle animations for rapid and fluttery flight styles
removedWorking on flight with insect wingsRegular noise and flight noise are no longer mixed up
removedWorking on flight with insect wingsNo longer visualize movement noise with a growing sphere (like how calls and generic noise are visualized)
removedFixes for sessile animalsUpright bodies no longer become thin at the base when there are sessile feet (thanks Cody Beaver!)

Introducing save file format 13

  • Includes steepness of the terrain

  • Remembers manual mode in the soil statistics view

  • Updated the loading view explanation (which formats are supported)

Working on flight with insect wings

  • Animals with insect wings no longer stop moving when flying at normal time speeds

  • Actually play the fluttery flight animation in the game

  • Added aerial idle animations for rapid and fluttery flight styles

  • Cleaned up buzzing noise, made it loopable, and start and stop it together with the flight animation

  • Regular noise and flight noise are no longer mixed up

  • Made the buzzing noise you hear (as example) in the editor much shorter

  • No longer visualize movement noise with a growing sphere (like how calls and generic noise are visualized)

Fixes for sessile animals

  • Upright bodies no longer become thin at the base when there are sessile feet (thanks Cody Beaver!)

  • Made 'sessile foot' limb connect to the torso seamlessly

  • Putting the ballistic mouth on top no longer crashes the game

Working on limb body parts

  • Fixed labels of small and large bas bags, and added the latter to the statistics file

  • Fixed the membrane positions for 'thin membrane for gliding', 'membrane from long finger for flying', 'small gas bag' and 'large gas bag' during animation

  • Added animation weights to 'adhesive' and 'sprawling foot with long toes' limb types

  • Improved animation weights for 'attractive vestigial wing' and 'cartilage fin'

  • Revised the 'venomous spines' model, so it works with animation this time

Small fixes for the legend when looking at soil statistics mid simulation

  • Centered it

  • Also show one for steepness

  • Remove it for climate zones

Cleanin up other UI

  • The top row button animations is now way faster, so you don't have to wait for (thanks Julenissen!)

  • The new soil statistic view no longer mixes overlaps with other views

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 thesaplinggame@gmail.com.

Source

Steam News / 6 December 2025

Open original