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feature request: generate an exception if the row limit is exceeded

feature request

Status: Open.

#1180 In jmcnamara/XlsxWriter;

· joelroyer opened on Mar 17, 2026

Bug: warning "Content is Unreadable. Open and Repair" appears on opening large workbook with autofit enabled

bug

Status: Open.

#1179 In jmcnamara/XlsxWriter;

· joelroyer opened on Mar 17, 2026

feature request: gradient background color support

feature request

Status: Open.

#1177 In jmcnamara/XlsxWriter;

· EBollen opened on Feb 4, 2026

Bug: Conditional formatting formula ISFORMULA() not localized correctly in Excel

bug

in progressThe fix/feature is being worked on.The fix/feature is being worked on.

Status: Open.

#1171 In jmcnamara/XlsxWriter;

· thakurpriyesh opened on Jan 14, 2026

Modernize code infrastructure

feature request

in progressThe fix/feature is being worked on.The fix/feature is being worked on.

Status: Open.

#1166 In jmcnamara/XlsxWriter;

· impervius opened on Dec 13, 2025

feature request: Add support for changing the default font and adding themes

feature request

in progressThe fix/feature is being worked on.The fix/feature is being worked on.

Status: Open.

#1163 In jmcnamara/XlsxWriter;

· jmcnamara opened on Nov 13, 2025

feature request: Adding support autofit in constant_memory mode

feature request

short termWill be added.Will be added.

under investigationThe issue is being investigated.The issue is being investigated.

Status: Open.

#1125 In jmcnamara/XlsxWriter;

· VinhLoiIT opened on Mar 26, 2025

Request: Add Type Annotation

in progressThe fix/feature is being worked on.The fix/feature is being worked on.

medium termProbably will be added.Probably will be added.

question

Status: Open.

#1123 In jmcnamara/XlsxWriter;

· yangdanny97 opened on Mar 14, 2025

add 3_triangles support

awaiting user feedbackWaiting for users to answer a question or test a fix.Waiting for users to answer a question or test a fix.

feature request

Status: Open.

#1110 In jmcnamara/XlsxWriter;

· splier opened on Dec 26, 2024

RFC: Refactoring of return values to Enums or Exceptions

awaiting user feedbackWaiting for users to answer a question or test a fix.Waiting for users to answer a question or test a fix.

question

Status: Open.

#1100 In jmcnamara/XlsxWriter;

· jmcnamara opened on Nov 19, 2024

feature request: adding customUI to an Excel file

feature request

medium termProbably will be added.Probably will be added.

under investigationThe issue is being investigated.The issue is being investigated.

Status: Open.

#1086 In jmcnamara/XlsxWriter;

· tsillus opened on Aug 29, 2024

feature request: Bubble chart

Status: Open.

#1099 In jmcnamara/XlsxWriter;

· Nexokk opened on Jul 3, 2024