AutoCAD Mechanical 2027.0.1 Update
August 12, 2026
Fixed Issues
The following defects have been fixed:
| Vault |
| Vault check-in of drawings containing a large number of blocks is now significantly faster. |
| Setting the default drawing template in Options and launching AutoCAD Mechanical no longer causes a crash. |
| Migration |
| Migrating settings from a previous release no longer results in missing parts in the Content Library. |
| Analyzing results during AMBOMMIGRATE no longer causes a crash. |
| Annotation |
| Surface texture majority symbols no longer display duplicate entries for the same surface symbol. |
| Placing a majority symbol from the Surface Symbol drop-down no longer causes a crash. |
| AMBOM now correctly displays the updated quantity for a PartRef inside a block. |
| Symbols inserted from a manually activated symbol revision can now be copied and pasted into other drawings. |
| Performance |
| Saving and reopening an empty default template no longer increases the file size. |
| Drawings with multiple Xrefs can now be opened without crashing. |
| Content Library part dimensions now update correctly when part sizes are changed from the drop-down menu. |
| Language Pack |
| AutoCAD Mechanical 2027 language packs can now be installed without error messages. |
