[wenzhixin]

Description

Add the unreleased changelog for the next release (proposed 1.28.0), covering all changes since 1.27.3 (2026-04-24): 39 meaningful commits after filtering out dependency bumps.

Core

• New: Added orderList option to customize the column sort direction cycle.
• New: Added RTL support via the rtl option.
• New: Added Norwegian Nynorsk (nn-NO) locale.
• New: Added Azerbaijani Latin (az-Latn-AZ) locale.
• Update: Fixed the columns dropdown displaying raw HTML markup when using escapeTitle.
• Update: Fixed scrollTo not working with rows in virtual scroll.
• Update: Fixed table rendering when initially hidden with a fixed height.
• Update: Fixed showColumnsSearch not filtering columns in Bootstrap 5.
• Update: Used removeHTML instead of escapeHTML for label and title display.
• Update: Translated missing ro-RO strings and added diacritics.
• Update: Extracted parseStringArray utility function to eliminate code duplication.
• Update: Moved events.js to the helpers directory to align with dom.js.

Extensions

• New(print): Added rowStyle and cellStyle support.
• Update(print): Fixed print window closing before the print dialog completes.
• Update(print): Fixed print footer not displayed by using tfoot tag instead of footer.
• Update(print): Fixed print footer error with rowspan/colspan columns.
• Update(print): Replaced direct DOM operations with DOMHelper.
• Update(filter-control): Fixed pageNumber resetting when the cookie extension is enabled.
• Update(filter-control): Fixed clearFilterControl for input controls and added searchOnEnterKey tests.
• Update(filter-control): Fixed caret restoration after filtering.
• Update(filter-control): Passed Enter keyCode when triggerSearch fires keyup.
• Update(filter-control): Kept _initialized true after a no-op column toggle.
• Update(group-by-v2): Fixed isCollapsed to handle function returning array for groupByCollapsedGroups.

Suggested version

1.28.0 (minor) — contains backward-compatible new features, no breaking changes. package.json version intentionally not bumped in this PR.