Miguel Risco-Castillo

Please, I want to have the mesh data already tilted to see if there is any anomalous value. If the bug is present at 5x5 mesh, please do the test...

>the printhead went outside of printing area You can set the physical limits to avoid that in Advanced/Physical Settings menu.

Please, post a capture of your info page. Thanks

Thank you for your report, I'm working on trying to replicate the bug to fix it.

> UBL has some anomalies with move segmentation that can be solved by enabling SEGMENT_LEVELED_MOVES. And, when "outside" the known mesh bounds there may be a jump in Z with...

How to replicate this bug with the firmware Ender3V2-422-BLTUBL: ```gcode M502 ; Reset to defaults C29 N9 T0 ; Mesh size to 9x9 and Pre-heat to 0 C851 M0 ;...

With `SEGMENT_LEVELED_MOVES` disabled, the bug doesn't occur. With `SEGMENT_LEVELED_MOVES` active: File **ubl_motion.cpp**, function: **unified_bed_leveling::line_to_destination_segmented**, just before of **planner.buffer_line**: ``` Send: G0 X205 Y140 Recv: raw z:-0.01 oldz:0.00 Send: G0 X210...

A PR was submitted to the Marlin repository fixing this issue: https://github.com/MarlinFirmware/Marlin/pull/24631 and will be available in the next firmware release.

The next version will have this issue fixed.

Fixed in the latest version.