Cities: Skylines 2 DLC has been delayed and weekly patches have come to an end

pcgamer.com:

Since Cities: Skylines 2's shaky launch, Colossal Order has been releasing regular patches to improve performance and squash bugs, but the studio's attention is now turning to the issues that «require a bit more work». This means an end to the weekly patches, as well as postponed DLC. The changes have been detailed today in the studio's blog, Word of the Week.

While less frequent updates and delayed DLC isn't going to elicit much cheering from players, it sounds sensible regardless. The weekly patches tackled bugs and performance quirks that could be handled swiftly, but Cities: Skylines 2's other problems require the team to dig into what's causing them a bit more, necessitating a changed cadence of updates. 

The game's mail service, citizen pathfinding (specifically when it comes to their ability to reserve housing when they have no connection to the city) and issues with exports and distribution of goods are on the docket at the moment. Colossal Order also notes its current broader priorities, which are, in order: performance improvements, bug fixes and modding support. 

To improve performance, the team is working on the level of detail in its assets by adding missing LODs and improving the existing ones with an aim to improve GPU performance. Colossal Order warns that this might take multiple patches. Then the focus will switch to CPU performance, tackling stutters and improving simulation speed to provide a «smooth experience while scaling up the size of your cities». That last part is especially worth noting, as even players with beefy rigs, myself included, who may not have had issues early on while developing their cities, started to notice hiccups once they started expanding.  

In regards to bug fixes, the team