In a post on X, Matt Leung-Harrison, Lead Gameplay Designer on League of Legends, has announced some major changes to matchmaking specifically for the EUW region.
These changes will roll out in the next 24 hours and are aiming to “Improvement to Matchmaking that we need to pilot in a large region.” The intention of the update will be “better balance autofills vs autofills & secondaries vs secondaries, etc.”
There have been a lot of reports since the new season of LP gains not being high enough, and matchmaking being poor overall. Matt expects the rollout to cause issues and has shared a thread outlining “edge cases” that might show up during the test.

LP Gains in EUW
The next major issue is LP gains during wins and losses, and how lopsided they appear to be to some. “This change would get everyone back closer to +-20LP in wins/losses, rather than +10/-30LP that a few people are experiencing currently (about 30% of Challengers).”
This will also target those reporting <10 LP Gains; these shouldn’t be possible, but players have reported them in a number of EUW games.
Demotions
The last issue that will be addressed comes in how demotion tiers work. “Last year, we made some changes to how Tier demotions worked (eg, Silver 4 -> Bronze 1). It is possible to demote to 50LP, 25LP if your MMR is low enough relative to your Rank. We fixed some edge cases that were preventing that from being true, and so if you have a surprisingly large LP demotion, this is why.” We don’t yet know how quickly these changes will take effect, but as an EUW player, we’ll be sure to follow them.
We’ll update this post as more news comes through the night.