From snapshot 388:
Fix STKM never darkening in FIND mode ... unless you were trying to find it
Cache running status of Lua HTTP requests, to ensure that the API is used correctly
Fix returning true from event handlers not doing anything
Apply proxy settings to Lua API sockets
Add vorticity confinement
Fix infinite air heat near the boundary
From snapshot 387:
Fix heat and deco not being handled properly when energy particles are absorbed into PIPE
FOG/RIME can absorb gas to become acidic, condense to acid
Allow common use cases of sim.createParts/Line/Box in simulation contexts
Fix infinite loop on some platforms when particle velocity is NaN
Make heat display scale variable, enable dynamic heat display with Shift+6
Reduce gravity effects on ambient heat
Add 'console' command line argument, this opens a real console on Windows
Restrict some Lua API functionality to certain events, please check your scripts and report problems
From snapshot 386:
Fix crash when VIBR releases heat during explosion
Restrict some of the Lua API to interface events
Change TPT -> The Powder Toy in credits ui
From snapshot 385:
Update / improve many element descriptions (via Rebmiami #983)
Add heat conduction to pipes (via JasonS05 #976)
Allow creating heat pipes by replacing BRCK with HEAC before color generation
Preserve deco in pipe, as long as the pipe wasn't already decorated
From snapshot 384:
Fixed a typo in the rules (via ClayStan404 #994)
Fix infinite pressure / velocity bug in the bottom right corner
Fix missing elements and spurious warning in certain saves made between versions 78.1 and 96.0
Change to version 99.3 (Build 384)
From snapshot 383:
Fix gravity leaking through gravity wall for a frame when undoing
Make gravity mask accessible from Lua
Cap VIBR .tmp and explosion .temp
Fix compatibility sim.TOOL_* constants
Fix rx/ry arguments to sim.toolBox
Fix !set commands defaulting to Kelvin, instead of to current temperature scale
Fix possible game crash when using invalid coordinates in !bubble
Fix prop sampling ignoring temperature scale
...
View the full changelog
here.