I am also experiencing these micro freezes.
One is connected to the crafting menu, switching between logistics, production etc. for the first time after loading a game will guaranteed give me a micro freeze.

A bug report, for a bug...

What did you do?
- N-nothing!...well, we did pollute the planet...

What happened?
- A biter came to attack as per usual, but it stopped halfway it's attack to get stuck in trees.
- We let the biter be when we played, after 1,5 hour later it was still there, we ...

I'd like to confirm this crash as well, here is my logfile:

0.042 2017-05-05 20:29:37; Factorio 0.15.7 (build 29468, win64, alpha)
0.042 Operating system: Windows 10 (build 15063)
0.042 Program arguments: "D:\Factorio 015\bin\x64\factorio.exe"
0.042 Read data path: D:/Factorio 015/data
0.042 ...

Cool, keep up the good work, love your game!

A picture can tell more than a thousand words



Yes both sides are identical.
Yes I double checked (pun intended)

I cannot see what my personal roboport range is while standing next/into the area of an existing roboport.
A slightly darker green or even something different like a blue outline would be my first suggestion for a color. (it will have to be visible over/through the orange area as well for this to ...

Version:
0.14.21

Type of bug:
UI bug
This bug is visual only, not critical and doesn't influence normal game-play.

Details:
Mousing over the build ghost(the see through sprites for construction-bots) of either concrete or stone slabs will prompt a text in the info-box at the top right of ...

The save in question: http://www.mediafire.com/file/yy431f44egxf3th/COME_GET_ME.zip

Error: Crash with "Unexpected error occurred." message.

Mods: None

Problem only applies to this save-game.(Other save games load and play just fine)
Loading a different game and then this one will still crash it ...