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Origin 2026b Bug Fixes

Origin 2026b Bug Fixes

Graphing

JIRA

SUMMARY

DETAILS

JIRA

SUMMARY

DETAILS

ORG-31740

Virtual matrix cannot find certain sheetname

  1. Highlight entire sheet (1640+1655+1670)/(1440+1450) and plot Contour - Color Fill.
    ==>plotvm dialog throws error “Please select a worksheet with numeric values”

  2. Go to the Input field and add quotes around the sheetname. I.e.
    [prist0degS2]”(1640+1655+1670)/(1440+1450)”
    -->plotvm dialog accepts the sheet.

Fixed in Origin2026b.

ORG-31170

Fail to click the node to select if outside page view in graph

  1. activate the Dendrogram graph to click on a node
    - ->if the node is inside page view it will show a point for selection
    = =>if the node is outside no point show

Fixed in Origin2026b.

ORG-32563

Angle annotation angle is not same as setting

Case1: Angle annotation precision issue

  1. Add angle annotation in graph, in Obejct Properties dialog: Dimension tab

  2. Set Angle as 30 and OK, open dialog again
    ==> Changes to 29.97 or 30.3

Case2: Angle bigger than 180

  1. Add angle annotation in graph, in Obejct Properties dialog: Dimension tab

  2. Set Angle as 230 and OK
    ==> Shows 130.01

Fixed in Origin 2026b

ORG-32640

Distance Annotation object changes to an extreme length in vertical direction

  1. Fill column A B with row number, C with random data, plot 2Ys Y-Y

  2. Active layer 2, add distance annotation, click first point in empty area, try to snap to plot 1, which is belong to layer 1
    ==> The annotation will be outside.

Fixed in Origin 2026b

ORG-32637

height of right brace increases out of proportion

  1. new a graph and change X axis scale to 2000

  2. use the bracket icon at left hand side toolbar to add a bracket

  3. select the bracket and click the Right icon at the mini toolbar
    ==> height of the brace increases out of proportion

Fixed in Origin 2026b

ORG-30930

Axis fails to recognize Anchor Tick value when date format not match OS Region setting

  1. open Region dialog from Control Panel of your PC

  2. change Format to Chinese(Simplified, China) / / - - > Short date format is yyyy/M/d

  3. click OK

  4. open attached project which has timeline graph
    ==> Graph2’s X axis scale biased

Fixed in Origin2026b.

ORG-32779

Undo Fail for Data Highlighter + Mask on Graph

  1. Make scatter plot with random data.

  2. Use Data Highlighter to select multiple points. Then click Mask Highlighted Points in the mini panel.

==> try to unmask those points by Ctrl + Z but doesn’t work.

Fixed in Origin2026b.

ORG-32807

fail to unmask data point from graph window

  1. New workbook and fill col(A) col(B) with row numbers

  2. Mask row 2 in col(A) and row 5 in col(B), make a scatter plot

  3. With the graph active, use Unmask Points on Active Plot toolbar to unmask these two data points

==> The 2nd point is still in masked status, fixed in Origin2026b

ORG-31453

Fail to open show/hide layers dialog in Cluster plot if open Project by Appending project

  1. Select File: Append to append the attached project(Multi-Panel Graphs - Clustered Column Plot.opju). you may also Open Learning Center, search Multi-Panel Graphs - Clustered Column Plot to open it.

  2. Click green lock in graph and select Show/Hide layers(s).
    ==>Fail to open show/hide layers dialog.

ORG-32616

MT Statistics Reference Line failed on Right-Y

  1. Make a Double-Y plot (with right-y axis)

  2. Select the Right-Y axis and open ‘Add Reference Line' in Mini-toolbar. Make sure axis is 'Right Y’

  3. Click the Triangle button in dialog and select Maximum.
    ==>Notice it fills in with "Max(plotdata(*, Z))".

  4. Click OK.
    ==>Reference line does not appear.

ORG-31337

Selected column issue in active wks for stiff map

  1. Save the stiff map structure data as ogwu

  2. open the ogwu twice, notice that one is book5, another is book6

  3. activate book6, select plot: map: stiff map

  4. click the triangle button of Na, select G(Y)
    ==> hint: the current plot type requires all selected columns be in a same worksheet.

  5. click the triangle button of location, select B(Y)
    ==> it is book5, not book6

ORG-32816

Connect Begin and End for Line Plot for All Coordinates

Create line plot in polar coordinate, there is Connect Begin and End checkbox in line plot to connect 1st and last point. Now this checkbox shows for all line plots, so can do it in any coordinates.

ORG-32413

Some Properties of Box Fail to apply when share layer properties

  1. Make a 2 layer box plot with box plots in each layer.

  2. Open Plot Details dialog and go to Layers tab to check Layer Properties and Plot Properties in graph

  3. Select plot in top layer, change box style or box type or line in Mini Toolbar ==> fail to change any plot

ORG-32113

Add checkbox “Show Legend Only When Number of Plots in Layer > 1”

  1. In Graph Options, I have set Legend position to Smart and checked Show Legend Only for Multiples Entries

  2. Each time I plot a single dataset, I get the following error message:

  3. ==> LEGEND.SMARTPOS is illegal name for defining a variable
    unknown error in expression assignment

Fixed in Origin2026b.

ORG-32900

Error Bar drawing issue

Open the attached project file pmso.opju, which is including Y error bars plot

==> In Graph4, the error bar of the first triangle symbol only shows half.

Fixed in Origin2026b.

APPS-2226

New Graph Maker issues in Regular version

  1. Install Regular version, open Graph Maker app and click Time Series Analysis icon
    ==> VC Member function call execution error.

Now will show Time Series Analysis is only available in OriginPro

ORG-32766

Collect issue about merge graph

  1. open merge graph dialog, select graphs all in project

  2. click OK with default setting
    ==> text mess up

Fixed in Origin2026b.

ORG-33483

Origin crash after undo hide plot navigator by MT

  1. new wks, fill with row numbers, make 2D scatter plot

  2. click page level, click column switching browser graph button in mini toolbar

  3. click column switching browser graph button again to hide

  4. Ctrl+Z to undo
    ==> Origin crash

Fixed in Origin2026b

ORG-33120

Graphing Slowness on large data project

Graphing like scatters Slowness on large data project.

Origin2026b adds @LLP system variable to speed up

ORG-33184

Histogram Plot Parameter Table fails to keep format when batch plotting

  1. New a wks and add two columns, fill with random numbers.

  2. select B and select Plot: Statistical: Distribution. Note that distribution parameter table shows on upper-right corner

  3. Select the table and move it to upper-left corner

  4. Double click the table to edit it.

  5. Highlight the cell “Normal“. Change font size to 6, font color to red. Click Update Table button.

  6. Open Batch Plotting dialog. Set Batch Plot with Column. Select C and D and click OK.

==> The customized table is changed back to default for the new graphs.

ORG-33034

Improve speed for Interval Plot with lots of data

In Origin 2026, making grouped box - indexed data with large data input costs a lot of time. Origin 2026b improves the speed. In some case, the speed improve from around 3800 sec to 10 sec.

ORG-33730

Encountered an improper argument when plot histogram with special data

For some very small data, for example, 6E-16, make histogram plot. Histogram will fail to make an error message like ‘Encountered an improper argument’ will show.

ORG-32585

Merge Graph should be able to omit objects in the gray area of graph window

  1. Make graphs with tables, or output analysis results to graph (with tables generated)

  2. Try to merge graph. ==> Graphs with tables (or other graph objects in gray areas) will overlap each other.

ORG-33281

Merge Graphs tool takes higher precedence for embedded graph

0.delete file 0-merge_graph-Last used.ois in UFF’s subfolder if exists.

1.New a project, Make grouped box-indexed data plot (or other plot) output graph to result sheet to generate multiple graphs in result sheet

2.With Book1 active, click Merge Graphs toolbar button.

→ It lists all graphs embedded in Book1.

3.Cancel the dialog, another Graph, click Merge Graphs toolbar button again.

→ It lists non-embedded graphs, click OK.

4.Activate back Book1, click Merge Graphs toolbar button again.

==> it still listed non-embedded graphs.

ORG-33566

Label Position Outside Wisker Fail when X Scale Reversed

  1. New a wks and fill with random numbers. Fill LN with something like aa bb

  2. Highlight all and select Plot: Statistical: Bar Chart

  3. Open PD an go to Label tab. Check Additional Labels, Position as Above Whisker. Click OK.

  4. Open Y Axis dialog and go to Scale tab. Change From to 1, To to 0. Click OK.

==> Label is not outside whisker now.

ORG-16228

Layer Icon Font different when there are more than 9 layers

  1. Make a multiple layers graph, with more than 9 layers.

==> Layer icon font when layer <10 are different from layer>9.

Now system variable @LIF is added, 0 = old way

ORG-33086

Grouped Column plot loses customizations when changing parameters

  1. Make a grouped column plot.

  2. Do some customization, say change fill color.

  3. Select Graph1 and click on Change Parameters. Click OK.
    ==>Graph returns to default colors.

ORG-33199

P-P plot should allow negative data for certain distributions

1.New a Worksheet, and fill column A with normal random numbers.

2.Highlight column A and select Plot: Statistical: Probability Plot…

3.System default theme, under Distribution branch, and set Distribution to Smallest Extreme Value.

==>Show error “Smallest Extreme Value distribution can only be used with positive data.”

ORG-33260

"0" label is hidden when reverse X Axis in Bar chart

  1. Make a column/bar plot with some Y value are 0

  2. Show column label

  3. Open Axis dialog. In the X Axis Scale tab, check Reverse option.

==>The “0” labels for the bars are hidden.

ORG-33033

Improve Browser Plot with Many Columns

  1. Prepare a worksheet with many columns, say 10,000 columns.

  2. Make a browser plot.

  3. Click the triangle button at the top-left of the browser graph and select “All Columns from Same Sheet”.
    ==>Origin is loading for a long time.

ORG-33188

Better display on image background for table object

  1. Make a histogram plot with random numbers.

  2. Open Plot Details dialog and go to Distribution tab.

  3. Set Curve as Normal. Check Show Parameters table. Click OK.

  4. Select the table on the graph, right click to select Properties.

  5. Go to Image tab. Background set as dark marble.

==> The gray Marble background’ does not cover the table contents.

ORG-32329

Certain project shows fewer tick label compared with Origin2025bSr0

  1. Start Origin2025bSR1 or Origin2026, plot any graph

  2. Set axis tick as custom position, set tick label as Text from dataset

==> Fails to show all tick label

ORG-33089

Substitution Notation of book and sheet in legend or text object not update till manual refresh

  1. Make a line plot and customized the legend to show sheet display name and book SN. @WS from @W

  2. Rename source sheet name.

  3. Activated graph. ==> Legend doesn’t update. You must click Refresh button to see the update

ORG-33218

Certain special ticks failed to show on log scale axis

For some special project, double click right Y tick labels to open Axis dialog, go to Special Ticks tab, type 1 in the table At Axis Value column, click Apply.

==> 1 is not drawn on the axis label.

ORG-33143

Droplines specified by X= on log scale failed to start from exact position on plot

  1. Make a line plot.

  2. Set x axis to be log scale

  3. Open Plot Details dialog and go to drop lines tab. Check Show at Specified Points Only and fill with some points. ==> The droplines do not intersect plot correctly when x is on log scale

ORG-33162

Pareto Plot wrong when data is masked or filtered

  1. Mask or do filter on source data

  2. Make pareto plot with masked or filter data

==> Graphs are messed up, or Line+Symbol plots go off the page.

ORG-32537

Box chart: tick labels will repeat back if there are more than about 254 ticks

  1. Prepare a project with 17 Book, and each book has 13 sheet.

  2. Active Book1, without highlighting any column, click Box chart toolbar button to open Plot Setup

  3. Select “Worksheets in Folder“ to list all worksheets in current folder in top panel. Sort the sheets by Book.

  4. Ctrl+A to select all sheets. Check col(A) as Y in middle panel. click Add button to add all columns into bottom panel.
    ->All columns are sorted by books and sheets, from book1 to book17

  5. Click ok to create the box chart. Double-click bottom tick labels to open Axis dialog.

  6. Set Display Type = Column Name or Label, Display = <Custom>, Custom Display = @WS: Sheet Display Name.

  7. Go to Scale tab, set Major Ticks Increment = 5. Click OK.

  8. Change the font size of tick labels to 10 and rotate it.
    ==>The tick labels at the end repeat back to Book1 or Book2, which should show Book16 or Book17.

ORG-33683

Outlier detection is different in box plot tools

  1. Import \Samples\Statistics\ANOVA\One-Way_ANOVA_indexed.dat

  2. Highlight Col(C) and use Col(B) as group to do Plot > Box, Histogram, Violin > Grouped Box Charts and Normality test.

==> class 1 has an outlier for grouped violin plot but no outlier for normality test

ORG-33425

Exported Image differs from Original graph for a Specified Project with log scale

Original graph:

image-20260420-093356.png

Exported Image:

分段坐标小提琴图-导出-20260409-012830.jpg

P1.A==> dash line is shorter.

P1.B==> distribution curve shape is changed.

Fixed in Origin2026b. The original graph is wrong. Now original graph is changed. It is the same as the above exported image.

Analysis

JIRA

SUMMARY

DETAILS

JIRA

SUMMARY

DETAILS

ORG-30159

Runtime error when initial parameter with formula in Implicit fit

  1. Import data and highlight B, open Nonlinear Inplicit Curve Fit

  2. Choose Function as Ellipse, go to Parameters tab, check Initial Formula checkbox

  3. Set xc’s formula as “XATYMAX“, set the other formula as “2“.

  4. Click the Initialize Parameters button
    ==> Runtime error: invalid bounds for vector operation

In Origin2026b, will not show runtime error

ORG-30710

NLFIT Results table failed to generate in source graph

  1. New a worksheet with 3 column

ORG-30710

NLFIT Results table failed to generate in source graph for multiple variables function

  1. New a worksheet with 3 column of data, plot Scatter

  2. Open NLFit dialog with graph, pick for example LineExp function from Multiple Variables category

  3. Go to Data Selection page on Settings tab, expand the Input Data node, and set col(C) as y2

  4. Go to Output page, make sure Output>Graph>Result Table is set as Source Graph, or Source and Report Graphs, click OK
    ==> No results table added on the source graph

Fixed in Origin2026b

ORG-31617

Signal processing tools should treat empty input data as valid

  1. Open script window,execute following script

    newbook; col(1)={1:1:100};col(2)={1,2,4,7}; cwt -r 1 ix1:=1 ix2:=2 plot:=0;

  2. Select col(A) and col(B) in source sheet, press delete key to remove data.
    ==>lock turn to red

Fixed in Origin2026b

ORG-32715

Source label and Dataset Identifier issues on fitting reports

  1. Import any data with two Y data, highlight col B&C to open Linear Fit dialog.

  2. Go to Output tab, under Dataset Identifier branch, set Identifier box as Booka Name, Sheet Name and Units (remove the default Name entry), check Show Identifier in Flat Sheet, click OK.

  3. Activate FitLinearCurve1 sheet.
    ==> There is only 2 user defined label rows enumerating with “Dataset ID”, which should be 3.

Fixed in Origin 2026b

ORG-33317

PP-Plot of fitting tools used wrong plot type

  1. Do linear fit with 10 more Y columns, go to Output tab - Graph branch

  2. Check Arrange Plots of Same Type in One Graph, uncheck Arrange Residual Plots in One Graph

  3. Click OK and check PP plot
    ==> starting from the 13th plot, all the plots are line type.

Fixed in Origin2026b

ORG-32716

3-Parameter LogNormal 95% Confidence Band of PP plot with historical parameter precision issues

3-Parameter LogNormal 95% Confidence Band of PP plot with historical parameter precision issues for special cases

Fixed in Origin2026b

ORG-31725

95% Confidence Band of PP plot with historical parameter precision issues

Normal/3-Parameter Weibull/ 95% Confidence Band of PP plot with historical parameter precision issues for special cases

Fixed in Origin2026b

ORG-33207

Graph mess up when toogle Derivative Order in Gadgets: Differentiate

  1. Plot Scatter with any data, open Gadgets: Differentiate, click OK

  2. Click triangular button and check Show 2nd Derivative

  3. Double click the ROI to open Preference dialog, set Derivative Order as 2, OK

  4. Double click the ROI to open Preference dialog, set Derivative Order as 3, OK
    ==> Graph Mess up