The two main bridge parts has been improved. The news is a simple system for prevent possible linear bearings slipping out.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVjWGcarojp6KtT6eSxNNf51Dk1cKTRMgOLW99uTdBs-Y_vw1WdWotpuhP07bfxEANEUJ5DXKVnF6mnp3shNQ42Kd4QMLXM8YT_v7l_wa3GtQXrTzk5MmasfLXxRF6rYNi1cH1_jKoB1RA/s320/antiSlippingOutMod.jpg)
Now the bearings needs to be inserted by the same side and a small plastic tab has been added. This tab can be melted with a soldering iron or similar once linear bearings has been inserted. They prevent possible bearings slipping out.
This is only a minor update for new builds and is not a need. If you notice this issue you can probably melt the existing bearing holes or use some epoxy on the existing holes instead to print the new part.
This anti-slippingOut system will be also used on the new carriageV4.