Floor layout: Slab direction modification has been changed to maintain the default offset values at each layer when the slab direction is changed or rotated.

Floor layout: Previously, the CIP filler part at the seam was not created properly if the slab edge had a rather large chamfer or notch at the top or bottom corner of the edge. This has now been fixed.

Wall layout connector, Wall layout T connector: Previously, an opening with a filler part close to the wall edge could cause the connectors to behave incorrectly. This has now been fixed.
 

Floor layout: Seam modification has changed so that all zero seam gap dimensions are now shown when any of the seam gaps has a value other than zero.
Note that in this situation the first and last zero dimensions are also shown, and if you change either of them to some other value than zero, the setting No gap at first and last on the General tab is changed to allow a non-zero gap at the first and last seam.

Floor layout: Previously, part ends that had two or more slightly skewed end edges were not properly straightened or cut. This has now been fixed.

The Floor layout dialog box is now more compatible with 4K screens and font scaling. 
 

Floor layout: Previously, break lines were not properly handled if they were collinear with some of the exterior input polygon edges. This has now been fixed.

Floor layout: Previously, a slab that had a skewed end was not created at all if the width of the slab was less than the minimum neck width. This has now been fixed.

Floor layout: CIP filler does not anymore create filler parts with a width less than the given minimum width at break lines, seams, and areas where the actual slab geometry differs from the required geometry (because of constraints caused by the slab profile and/or advanced options).

Note that this change does not affect the creation of filler parts at offset areas as these have never been created if the actual width is less than the given minimum width.

Floor layout: Checking the minimum/maximum lengths and the minimum width of all precast layers has been improved.

Wall layout: Previously, the detailing component applied on the top side of the wall was also created on the bottom side of the wall if the height of the wall was lower than 100 mm. This has now been fixed.

Wall layout: Direct modification of wall boundaries now allows you to remove specific detailing. By using the No detailing option from the contextual toolbar drop-down list, you can directly remove the side, top, and bottom edge detailing.

Floor layout: Slab and seam modification has been improved to work more consistently when changing the width of the first or last slab.

Wall panel reinforcement: The calculation of spacing at the edges has been improved.

Embedded anchors (8): Anchor positioning has been improved so that anchors are no longer created at the wrong position near some other embedded part if that part belongs to the same assembly. Previously, this could happen when there were 3 or more layers in a wall, and there was one void layer with embedded parts extending outside this layer.

Embedded anchors (8): Previously, the anchor position was not correct when the distance between two anchors based on the a dimension was set to zero (0.00) on the Placement tab. This has now been fixed.

Wall panel reinforcement: Previously, Tekla Structures could stop responding when you used the component in walls that contained openings. This has now been fixed.

Embedded anchors (8): On the Placement tab, the Move to closest braced girder setting now works properly when creating multiple anchors in the cross direction.

Wall panel reinforcement: Previously, the hook length on the door opening sides was not correctly created. Now the correct length is used.

Embedded anchors (8): On the Placement tab, Avoid reinforcement and Move to closest braced girder now move anchors in the center of gravity (COG) direction, and multiple anchors are moved symmetrically. All anchors are no longer moved in one direction.

Embedded anchors (8): The Avoid reinforcement -> Cover thickness setting on the Placement tab is now used properly for clash detection. Previously, the bars that were not clashing but were still in the cover thickness area were not taken into account. Now the anchors are also offset by the correct distance from those bars.

Floor layout: Previously, locked seams moved when deleting the seams between the locked seams. This has now been fixed.

Floor layout: Previously, even if you had selected the No gap at first and last option on the General tab, the zero starting gap was not applied if any of the widths was changed and/or when the seams were moved using direct modification. This has now been fixed.

Floor layout: It is now possible to use negative/small offsets in other layers than the primary layer at the start/end of the layout.
In addition, input polygon modification has been improved to maintain the offset if a new point is added or removed.

Railings (S77): Previously, railings were incorrectly created on inclined stanchions. This has now been fixed.

Railings (S77): On the Parameters tab, you can now select in the Other rail to stanchion fitting list that rails are cut by the stanchions without any tolerance.

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Auto bolt: If a successful instance of the Auto bolt component is modified in a way that would cause failure or no bolts to be created, the previously created bolts are now removed. In addition, a warning message is shown on the status bar, as previously.

Auto bolt: When the bolt group shape is set to xy list, the bolts are no longer offset from the bolt group origin.

Cast-in plate (1069): Previously, in some cases, the washer plates were created in the incorrect place. This has now been fixed.

Tube gusset (20): Previously, the connection plate was not correctly centered to the secondary part in some cases. This has now been fixed.
 

Bolted gusset (11): Previously, chamfers were not created correctly in the gusset plate. This has now been fixed.
 

Inner diaphragm (1059): Previously, the Finish property of the diaphragm plate was not set correctly. This has now been fixed.

Bolted gusset (11): The round notch shape is now created correctly, regardless of the defined notch length.

Z pan (S74): Previously, the top landing was not created with the correct length. This has now been fixed.

Bolted moment connection (134): Previously, the component created an incorrect cut, which caused the tab plate to have an incorrect solid. This has now been fixed.

Shear plate built-up T (69): Previously, assembly numbering for parts was not correct. This has now been fixed.

Export to Tekla EPM: The export now generates drawing file names according to the way they are generated in Print drawings, in order to look for a match.

Export to Tekla EPM: Assembly Length is now included in Assembly data of export.

Export to Tekla EPM: The browse button (...) to select the drawing file folder now updates the correct folder path field.

Export to Tekla EPM: The directory buttons are now disabled when the input next to it is disabled.

Export to Tekla EPM: The exported CNC files are now UTF-8 encoded.

Export to Tekla EPM: Projects with a blank drawing Title no longer cause an application error in the EPM export.

A problem that occurred when importing parametric circular steel profiles from Revit using .cxl files has now been fixed. Better warning messages are now shown when importing models that contain unexpected profile definitions.

Tekla Structures now supports SketchUp version 2021.

A Tekla Structures application error occurred when you modified reference model data when the reference model file name or the file name path contained special characters. This issue has now been fixed.

IFC export: The property set comparison tolerance attribute (.rmct) and comparison set attribute (.rmcs) can now be read from the XS_FIRM and XS_PROJECT folders.

Trimble Connect: Operations could fail due the authorization token expiry. This has now been fixed.

The mapping of the IFC property Profile name now supports using either "EXTERNAL.profile name" or "EXTERNAL.profilename". Now you can also use translated strings in mapping product and profile attributes for Profile name, Description, Ifc type (type), Object type, Phase, Material, Finish, Profile, and Name. For example, you can use the German string "EXTERNAL.Profilname" and it works.

Template Editor: Dashed lines were not imported correctly from DWG files in Template Editor. This has now been fixed.

Sometimes, CopyField() did not copy the correct value if the source valuefield was in a row that was combined. This issue has now been fixed.

Slotted holes are now properly reported when inquired.

A graphical field that uses the PLATE_TOP_VIEW attribute now works correctly also when the plates are located vertically in the model.

When the format() function was given a value already in the correct format, so that it did not need to do any formatting, the end result could be output without any formatting. This has now been fixed.

Rebar pull-out picture and marking: Rebar pull-out picture and marking now supports rebar strands.

View-level dimensioning: Shape dimensioning did not always work for half slab profiles cut with a line cut. This has now been fixed.

Rebar pull-out pictures and marking: Tapered lengths have been improved so that lengths are considered over the bars inside the tapered group.

Rebar pull-out picture and marking: Rebar pull-out picture and marking now uses tapered values in pull-out dimensions.

Text with default font in symbols was not visible in printing in some cases. This has now been fixed.

Sometimes, pull-out pictures were not rotated correctly in drawings. This has now been fixed.

Previously, sometimes when you unfold drawings, Tekla Structures stopped working unexpectedly. This has now been fixed.

Earlier, when a bolt had a regular and an oversized hole in different parts, the oversized hole was not always shown correctly in section views. This has now been fixed.

Weld marks now work better when you copy a drawing to a new drawing sheet.

Perpendicular rebar symbols are now drawn correctly even if the other end of the rebar segment was hidden by a part.

Master drawing catalog: The Create bar code labels rule set works again. This rule set comes with the default environment.

Earlier, the on/off switch in the General arrangement drawing properties dialog box did not work for pour-related settings. This has now been fixed.

In some rare cases, Tekla Structures stopped working when it was updating weld mark placing in drawings. This issue has now been fixed.

Printing: Images are again shown in drawing PDFs containing logos or other images added from image files.

Previously, in the US Imperial environment, selecting a reinforcement mesh and clicking OK in the Select mesh dialog box caused longitudinal and cross distances be shown in metric units. This has now been fixed.

Previously, when opening the reinforcement mesh catalog in the US Imperial environment, distances were shown in metric units, and it took some time before they switched to imperial units. This now has been fixed.

Previously, the Weight per unit length property was always shown in metric units in custom inquire. This has now been fixed.

Previously, in some rare cases lofted plates with arc base curves did not get the base curve manipulator when they were selected. This has now been fixed.
 

Previously, Tekla Structures could close unexpectedly because of corrupted bitmaps on the contextual toolbar. This has now been fixed.

Previously, when copying objects, the preview did not take into account the intermediate points. This has now been fixed.

Previously, when an assembly was inquired, the highlight colors for the main and secondary objects were not set correctly. This has now been fixed.

When you use the template attribute PROFILE.WEIGHT_PER_UNIT_LENGTH in filtering, it now follows the unit settings. Previously, it always showed the values in metric units.

Previously, some components, other tools, or commands could create locked dummy objects in the model and unlocking the objects was not possible. Now, the dummy object locks are ignored and the objects follow their parent object behavior. 

Since Tekla Structures 2021 SP5, when you used the Fast representation for bolt holes in model views, slotted holes were shown as round. This has now been fixed.

The Split command now shows a preview in correct location and dimensions it correctly also when splitting a part behind another one.

When you use the Insert into model feature, the Tekla Warehouse Installer now detects shapes that have similar names to shapes that already exist in the model to better prevent accidentally overwriting the existing shapes.

Previously, when you opened the corner chamfer properties by right-clicking and selecting Properties, the properties were shown only on the property pane. Now, the properties are shown again in the Chamfer properties dialog box.
 

The sign-in process now uses the default browser. 

Fixed an issue where the TSEP package builder failed to build TSEPs that created empty folders.

When importing and exporting between Tekla Structures 2021 SP6 and Tekla Structural Designer using .tsmd model files (not .cxl files), an error message appeared saying that licensing failed to start, and the import or export process failed. This has now been fixed.

Custom components with bent plates, spiral beams, or parts with asymmetric profiles now mirror correctly when you use the Copy - Mirror command.
 

In Tekla Structures 2021, when the setting of XS_CAST_UNIT_POSITION_NUMBER_FORMAT_STRING was changed (for example, %UDA:comment% added), the MODEL_TOTAL template attribute always showed zero as result. This has now been fixed, and MODEL_TOTAL shows the correct value again.

NC export: Earlier, when exporting a part containing a non-circular hole, it was exported as a circular hole in the BO block. This has now been fixed.

Export ELiPLAN file (68): Previously, net area was exported incorrectly for some elements with certain types of cuts or recesses. This issue has now been fixed.

Export ELiPLAN file (68): Previously, cast unit main part material could not be filtered out by the Material quantities setting on the Parameters tab. Now the filtering works correctly.

Export ELiPLAN file (68): Data conversion now supports case insensitive text, which means that it does not distinguish between uppercase and lowercase letters when looking for strings to be replaced.  

Error messages are now shown in the process log if the transfer of design intent reinforcement from Tekla Structural Designer to Tekla Structures fails. In Tekla Structural Designer, check the settings in the Model Settings dialog box, under Structural BIM - Export - Continuous Objects. The Separate objects checkbox should be selected for Concrete columns, Concrete beams, and Shear walls.

Tekla Structures closed suddenly if you inquired a spiral beam that had a zero rotation angle. You can now create the inquiry. In general, you should not create a spiral beam with a zero rotation angle.