I've run out of witty comments about Minecraft versions, I'm afraid. Nonetheless, I hope you'll enjoy the bugfixes in this release!
BuildCraft 7.1.21 (Minecraft 1.7.10)
- [#3503] Auto Workbench dupe bug (asie)
- [#3500] Rare division by zero error on world load (asie)
- [#3498] Refinery deletes insufficient input fluids for non-standard refinery recipes (asie)
- [#3496] Crafting Table IV rendering crash (asie)
- [#3307] Auto Workbench not reacting to item insertion correctly in all cases (asie)