From snapshot 401:
Fix many extremely obscure crashes that probably never happened in practice
Added darkened background to render option tooltips
Rename "subtract colour" to "AND-NOT"
Incorporate recent changes from Mike Pall's Lua BitOp library
Add destructibility view (shift+7)
Fix SOAP looping in edge modes other than loop
Fix gravity zone rendering getting stuck enabled in some cases
Further, this snapshot includes all changes that made it into 100.x stable versions
From snapshot 397:
Adjust rounding of wall positions when nudging stamps
Fix nudged stamps resetting air maps in expanded area
Make sim.resetPressure() reset to default edge pressure
Make SEED more gravity-sensitive
Preserve leaf color when PLNT is grown with water (via T307-coder #1058)
Allow BCLN and PBCN to clone FOG (via Trizlet #1053)
STKM with fan as element dies in a puff of air (via The4codeblocks #1052)
Fix obscure edge case where PLSM(NBLE) doesn't turn back into NBLE (via jm211-tpt #1008)
Termninate BOYL's update immediately after reacting with O2 (via jm211-tpt #1013)
Make DRAY copy fighters correctly (via Spuriosity1 #1050)
Improve BIZR deco blending (via jm211-tpt #1011)
Add PSTN .tmp3 flags for cancelling movement when the full movement can't be performed (via jm211-tpt #1025)
Add binary support to PROP tool
RIME/FOG formed from WTRV now remembers it should turn back into DSTW
Fix SOAP movement in loop edge mode
Add basic search to stamp browser
From snapshot 396:
Possibly fix a performance issue
...
View the full changelog
here.