Hmm, seems like a regression in my current modification, but still, the fluid physics are wrong anyway
No, not a regression, testing with the very same beginning conditions makes the issue stand out even in current SVN version (rev 785).
Attaching the world.ini for generator settings and Core's main.lua for post-generation hook creating evenly spaced patches of grass. Place lava on the grass at {8, 66, 8} and watch it spread.
Here's a picture from my client:
No, not a regression, testing with the very same beginning conditions makes the issue stand out even in current SVN version (rev 785).
Attaching the world.ini for generator settings and Core's main.lua for post-generation hook creating evenly spaced patches of grass. Place lava on the grass at {8, 66, 8} and watch it spread.
Here's a picture from my client: