Can you help me please!
Game version: Factorio 2.0.7.2
Mod: Space Exploration 0.7.41
Affected mod: Stack Inserter
Mode: (Singleplayer / Multiplayer – optional)
❗ Problem description
It appears that the Stack Inserter maximum stack limit is capped at ~10,000 items, and this limit is not respected by downstream entities that do not enforce their own input buffer limits.
When a Stack Inserter feeds entities like Delivery Cannons (Space Exploration), the inserter continues inserting items until this ~10k internal limit is reached.
As a result, entities can accumulate thousands of items internally, even when inserter limits or circuit conditions are used.
This makes circuit-controlled logistics impossible, because:
Inserter stack limits are effectively ignored
Circuit conditions no longer prevent overfilling
Only cutting power stops further insertion
🔁 Steps to reproduce
Place a Stack Inserter
Set a low stack limit (e.g. via circuit or inserter settings)
Feed an entity without a strict internal buffer limit (e.g. Delivery Cannon)
Observe that the entity keeps accepting items until ~10,000 items are stored internally
✅ Expected behavior
Stack Inserter limits should be hard limits
Inserters should not exceed configured stack / circuit limits
Downstream entities should not be overfilled due to inserter-side buffering
❌ Actual behavior
Stack Inserter inserts items up to ~10k
Circuit logic and inserter limits become ineffective
Downstream entity buffers grow uncontrollably
💬 Additional notes
This behavior heavily impacts mods that rely on precise, circuit-controlled logistics.
Even though the downstream entity (e.g. Delivery Cannon) may not enforce limits, the Stack Inserter effectively bypasses all external control.
