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[Bug]: setRowOrder not working as expected

Status: Open.

#1668 In handsontable/hyperformula;

· tgalfin opened on May 4, 2026

[Bug]: Parser fails on formulas with _xlfn.xxx prefix added by Excel for backwards compatibility

BugSomething isn't workingSomething isn't working

Impact: High

PublicRoadmapIssue announced on our public roadmapIssue announced on our public roadmap

Status: Open.

Bug

#1655 In handsontable/hyperformula;

· GreenFlux opened on Apr 15, 2026

Docs forgetAllSheetsSerialized incorrectly describe the result for number cells

Status: Open.

#1654 In handsontable/hyperformula;

· oodavid opened on Apr 15, 2026

Support for partial infinite ranges (mixed-type ranges) e.g. A2:A

FeatureSomething we can add later on without introducing a breaking changeSomething we can add later on without introducing a breaking change

Status: Open.

#1651 In handsontable/hyperformula;

· oodavid opened on Apr 8, 2026

Add #CALC! error type for Excel compatibility

FeatureSomething we can add later on without introducing a breaking changeSomething we can add later on without introducing a breaking change

Impact: Low

To Be DiscussedExtra attention is neededExtra attention is needed

Status: Open.

Feature

#1647 In handsontable/hyperformula;

· marcin-kordas-hoc opened on Mar 30, 2026

Array functions: missing max dimension guard causes OOM crash

APIPublic methods and propertiesPublic methods and properties

BugSomething isn't workingSomething isn't working

Impact: Medium

Status: Open.

Bug

#1646 In handsontable/hyperformula;

· marcin-kordas-hoc opened on Mar 30, 2026

[Bug]: ADDRESS returns "!R2C3" when sheetName is empty (should return "R2C3")

BugSomething isn't workingSomething isn't working

Impact: Low

Status: Open.

Bug

#1641 In handsontable/hyperformula;

· marcin-kordas-hoc opened on Mar 20, 2026

[Bug]: ParserWithCaching cache can grow without limit

Status: Open.

#1635 In handsontable/hyperformula;

· sequba opened on Mar 10, 2026

[Bug]: UndoRedo.oldData is not bounded by undoLimit

Status: Open.

#1634 In handsontable/hyperformula;

· sequba opened on Mar 10, 2026

[Bug]: LazilyTransformingAstService.transformations grows without bound until recalculation is triggered

Status: Open.

#1633 In handsontable/hyperformula;

· sequba opened on Mar 10, 2026

[Bug]: ADDRESS function ignores defaultValue when user provides empty value for an optional parameter

BugSomething isn't workingSomething isn't working

Impact: Low

Status: Open.

#1632 In handsontable/hyperformula;

· marcin-kordas-hoc opened on Mar 5, 2026

[Bug]: Memory leaks in UndoRedo.oldData, LazilyTransformingAstService.transformations, and Parser.Cache when undoLimit is 0

BugSomething isn't workingSomething isn't working

Impact: High

PerformanceIssues related to the performanceIssues related to the performance

Status: Open.

#1629 In handsontable/hyperformula;

· nomind2think opened on Mar 5, 2026