If you try to upgrade to Forge 10.13.3.1355, older RC versions of Thermal Dynamics (1.0.0RC7-62 here) and others will crash, due to changes in the Fluid Registry.
Changelog:
Build 1355:
cpw:
Removed fluidID from ItemStack.
This fixes a rather huge issue where FluidStacks on the client could be desynced if a modder was unaware of it.