Gauntlet took three goes. The fight went in first, then we found clicking the portal in Prifddinas did nothing, and fixing that turned up something much worse: most of Prifddinas didn't exist server side. A bug in the bridged area loader was wiping collision and objects across 74 map squares. You were clicking a picture.

The other one worth calling out is the double hits. Loads of you reported everything hitting twice and we went in assuming pact effects. It was neither. The server was sending every hitsplat, health bar and animation twice, one tick apart. Nothing was actually hitting twice, it just looked like it.

Biggest week we've had. Nine bosses plus Fight Caves, most of them built against live packet captures rather than guesswork, which is why the rotations and timings line up instead of being roughly right.

Echo Amoxliatl is the first Echo boss that's properly finished. After it went in we sat and compared our version frame by frame against a recording of the live fight, which turned up three things being off.

Every login was hanging after the handshake this week. It looked exactly like a network problem for a while and it wasn't: two world queues were re-queueing themselves every tick and spinning the game loop forever. Server was alive, server was busy, server was doing nothing.

Rest of the week was bosses. All four GWD generals plus the entire wilderness set, singles and multi variants both, not one pretending to be the other.

Amoxliatl got her first real implementation this week, built off captures in an instanced arena. We wrote the boss-building docs while doing it, because this was the fight where we worked out the pattern everything since has followed.

Also added ::god, ::heal and ::bosstele. Nobody will ever see those, but they're the reason the bosses above got tested more than once each.

Nothing to screenshot this week, it was all engine. The one interesting find was a bug we'd been carrying since day one: object right-click options 2 through 5 were all mapping to option 1. That's a copy-paste bug in stock rsmod that we inherited and just never hit in a way that made it obvious.

Some weeks are like this.

Regions have real borders now, painted by hand against the official anchor tiles instead of the rough polygons we started with. Archways are the official crossings and Yama waystones handle travel between regions.

The nasty one this week was the 256 zone bug. Map areas store how many zones they contain and that count was being written as a single byte, so any square with 256 zones wrapped to zero and corrupted the cache from there on. No error, no crash, no symptom, just a map that's quietly wrong somewhere you haven't walked yet.

This is the week boss work became possible. Instances, the boss definition layer, HP bars, with Scurrius and KBD as the first two built on top.

Then the bit nobody thinks about, which is that you have to be able to walk there. The Varrock Sewers manhole and ladders weren't wired, so Scurrius may as well not have existed. Same story with the Lava Maze ladders down to KBD.

This is where the log starts, and it all happened in one week, so it reads like a list. Every skill was built against the wiki rather than from memory, which is slower up front and the reason we're not still finding wrong XP rates now.

This log went up on 17 August 2026. Anything dated before then was written up afterwards from our commit history, so the dates are the real dates the work landed rather than picked after the fact.