How do I install Your Log Saw Something Last Night?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. Opens on CurseForge — not every file is mirrored on our own servers.

What Minecraft version does Your Log Saw Something Last Night work with?

The listing gives Minecraft 1.21, 1.21.1, 1.20.1, among others. This is the version stated by the author or source site, not something we verified ourselves.

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Your Log Saw Something Last Night

Java mod listed for Minecraft 1.18–1.21. Downloads from the MC Java Mods app on Android.

by Commoble · on CurseForge

Which build do you need?

This mod ships a separate file for every mod loader and every version of the game. Pick both, then download — the wrong build installs fine and then does nothing in the game.

Mod loader

Mod loader NeoForge2 builds
Mod loader Forge3 builds

Minecraft version

Minecraft 1.21–1.21.1Newest
Minecraft 1.20.1

Minecraft 1.20.1Newest
Minecraft 1.19.2
Minecraft 1.18.1–1.18.2

⬇ Download for 1.21–1.21.1 · NeoForge ⬇ Download for 1.20.1 · NeoForge ⬇ Download for 1.20.1 · Forge ⬇ Download for 1.19.2 · Forge ⬇ Download for 1.18.1–1.18.2 · Forge

I don't know my version or loader

Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.

No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.

Open in MC Java Mods Get it on Google Play →

This is a server utility mod for logging player interactions. This mod is currently available for the Forge modloader.

When installed, the following will be logged:

Blocks broken by players
Blocks placed by players
Blocks activated by players
Items used by players without targeting a block
Entities activated by players (including using items on entities)
Entities killed by players

Interactions by forge's "Fake Players" are not logged.

This mod is configurable to filter logging via regex pattern; the default config file will be generated in yourminecraftinstance/config/ylssln-common.toml by forge the first time minecraft is launched with the mod installed. See the "Source" link above to view config format documentation in the project readme on github.

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft versions listed: 1.21, 1.21.1, 1.20.1
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

File checked by MCModsHub

Ships as ylssln-1.20.1-1.1.0.1.jar — drop this file into the mods folder
Download size: 26 KB
Download link checked 25 Sept 2026 — working

These come from our own check of the pack file, not from the source page.

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