Bugfixes

• Fixed that merging two electric networks didn't merge the statistics which was introduced by the power switch addition in 0.13. more
• Fixed light not turning off properly when using fluid energy source on an entity. more
• Fixed a crash when building large electric poles. more

Modding

• The game now checks that technology levels are contiguous.
• Non-upgrade technologies are now considered to be level 1; previously they were level 0.
• Renamed "electric-energy-accumulators-1" to "electric-energy-accumulators".

Use the automatic updater if you can (check experimental updates in other settings) or download full installation at http://www.factorio.com/download/experimental.