Same for me, too. Installed mods (in case it's helpful):

walls-block-spitters_0.6.2.zip
aai-containers_0.2.7.zip
aai-industry_0.5.3.zip
aai-signal-transmission_0.4.1.zip
aai-vehicles-chaingunner_0.6.1.zip
AfraidOfTheDark_1.1.1.zip
alien-biomes_0.6.4.zip
Automatic_Train_Painter_1.1.2.zip
automatic ...

Same here. 0.17.
I don't know if it's related, but my tutorial won't end, now. I've researched Green Science, but the next mission won't trigger. On loading the map, something was weird: All the other researches are available, now.

Check your game version - this issue was fixed today. So check if you have 37 or 38.

Thank you, orzelek. I noticed/screen-shotted last night (GMT+12). I'm running 0.16.latest so I expect it's sorted by now. Excellent!

EDIT: yes - it looks like a reproduction of 59811. I was searching for ...

I was hunting for my barrels of sulphuric acid, and found them 'hidden' among my empty barrels. I'm using 'normal' graphics (ie not hi-res).
https://imgur.com/a/7693BoK The tool-tip is correct, and the acid barrels are definitely full of acid.

I'm on a Deathworld, which may affect recipes(?). Or ...

At present, an inserter will pick up items up to its stack size, or stack over-ride.

If a stack-size over-ride has been set, I would like inserters to wait (forever, if need be) until they have exactly that number of items, before activating.

Failing this, I would like inserters to remain 'aware ...

Can I be ambivalent? On one hand, going out to do battle with the biters was a PITA. On the other hand; some kind of adversity is expected (unless you're playing Sudoku), and it's nice to have a 'reward' for killing spawners.

Purple Science felt a bit 'tacked-on' maybe, but it made sense, within ...