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Origin 2026b Bug Fixes

Export

fail to export graphs to corresponding sub-folders correctly  
A part of trend line will disappear when using Send Graph to Word  

Import

Auto Refresh Failed on Certain Project  
column header failed to be recognized if same beginning as main header  

Statistics

Duplicate operation with Specified sheet for GLR(General Linear Regression)  
Failed to import certain Heka data file  
Geometric Standard Deviation when there is 0  
Graphical Summary accuracy issues for small size or missing value data  
JCAMP import fails to replace data from previous file  

Worksheet

Join Multiple Sheets by Column failed to match same values in matching column  
Linked table becomes static text when updating fitting in copy pasted graph  
Merge book fails to work if SCN notation is OFF  
NPHKSamples: wrong footnote for Median test  
Print Peak Analysis Graph Stretch the Fitting Results Table  
Result for 1-Proportion Test and 2 Proportion Test is Wrong  
Runtime error when P value is NANUM and design has blocks  
SCV calculation wrong after column filter is applied  
Some Embedded EMF images are distorted or rendered incorrectly when exported to SVG  
Two Sample T test power curve issue for different sample size case  
Wrong Conclusion Message in 2-sample t-Test  

Analysis

3-Parameter LogNormal 95% Confidence Band of PP plot with historical parameter precision issues  
95% Confidence Band of PP plot with historical parameter precision issues  
Dataset Identifier in Graph Table issues on fitting tools  
Failed to set Set Decimal Places to value large than 6 for report sheet  
Fitting Arrange Plots in One Graph Messed Up  
Graph mess up when toogle Derivative Order in Gadgets: Differentiate  
Grouped Scatter is Slow When there are many layers  
NLFIT Results table failed to generate in source graph  
NLFIT Results table failed to generate in source graph for multiple variables function  
PP-Plot of fitting tools used wrong plot type  
Quick Sigmoidal Fit Gadget could not change data  
Reduce Duplicate X Data calculates wrong result for RMS method  
Runtime error when initial parameter with formula in Implicit fit  
Signal processing tools should treat empty input data as valid  
Source label and Dataset Identifier issues on fitting reports  
Turn Off Speed Mode Crash When there are many data labels  

Graphing

"0" label is hidden when reverse X Axis in Bar chart  
Add checkbox “Show Legend Only When Number of Plots in Layer > 1”  
Angle annotation angle is not same as setting  
Axis fails to recognize Anchor Tick value when date format not match OS Region setting  
Better display on image background for table object  
Certain project shows fewer tick label compared with Origin2025bSr0  
Certain special ticks failed to show on log scale axis  
Collect issue about merge graph  
Connect Begin and End for Line Plot for All Coordinates  
Distance Annotation object changes to an extreme length in vertical direction  
Droplines specified by X= on log scale failed to start from exact position on plot  
Encountered an improper argument when plot histogram with special data  
Error Bar drawing issue  
Fail to click the node to select if outside page view in graph  
Fail to open show/hide layers dialog in Cluster plot if open Project by Appending project  
fail to unmask data point from graph window  
Graphing Slowness on large data project  
Grouped Column plot loses customizations when changing parameters  
height of right brace increases out of proportion  
Histogram Plot Parameter Table fails to keep format when batch plotting  
Improve Browser Plot with Many Columns  
Improve speed for Interval Plot with lots of data  
Label Position Outside Wisker Fail when X Scale Reversed  
Layer Icon Font different when there are more than 9 layers  
Merge Graph should be able to omit objects in the gray area of graph window  
Merge Graphs tool takes higher precedence for embedded graph  
MT Statistics Reference Line failed on Right-Y  
New Graph Maker issues in Regular version  
Origin crash after undo hide plot navigator by MT  
P-P plot should allow negative data for certain distributions  
Selected column issue in active wks for stiff map  
Some Properties of Box Fail to apply when share layer properties  
Substitution Notation of book and sheet in legend or text object not update till manual refresh  
Undo Fail for Data Highlighter + Mask on Graph  
Virtual matrix cannot find certain sheetname  

Miscellaneous

Append Project should not Append ProjectEvents.ogs  
Crash after Redo Delete Plot on MT  
Crash on MT pop up menu  
e-sign exe dll files in Apps  
No searched result for multiple words issue in Search Box  
Send to Layout should keep digit settings  
UIM Comboxes in user's macros show garbled text  

Programming

LabTalk function normcdf() returns missing if the first input data is missing  
Python add_label() did not place text object in correct coordinates  
Python issues with pandas==3.0.0  
XF findfiles failed to find files without extension  

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