[application-manager] added logic to generate Extension Info in server application to avoid empty About Dialog #13590 - contributed on behalf of STMicroelectronics
[application-manager] fixed spawn calls for node LTS versions #13614
[application-package] bumped the default supported API from 1.87.2 to 1.88.1 #13646 - contributed on behalf of STMicroelectronics
[cli] added "patches" folder to package.json "files" field #13554 - contributed on behalf of STMicroelectronics
[core] added a new built-in handler to open files with system application #13601
[core] added logic to always consider the "passthrough" commmand enabled for keybindings #13564 - contributed on behalf of STMicroelectronics
[core] added Splash Screen Support for Electron #13505 - contributed on behalf of Pragmatiqu IT GmbH
[core] fixed window revealing when navigating with multiple windows #13561 - contributed on behalf of STMicroelectronics
[core] improved "Open With..." command UX #13573
[filesystem] added logic to open editor on file upload #13578
[monaco] added logic to prevent duplicate Clipboard actions in editor context menu #13626
[monaco] fixed monaco localization #13557
[notebook] added additional keybings to the notebook editor #13594
[notebook] added logic to force notebook scrollbar update after content change #13575
[notebook] added logic to read execution summary #13567
[notebook] added logic to select notebook cell language #13615
[notebook] added logic to show short title for notebook toolbar commands #13586
[notebook] added logic to use notebook URI as context for toolbar commands #13585
[notebook] added shift+enter keybinding for markdown cells #13563
[notebook] added support for Outline-View and Breadcrumbs #13562
[notebook] added support for truncated notebook output commands #13555
[notebook] disabled clear all outputs in notebook main toolbar #13569
[notebook] fixed clear cell outputs command #13640
[notebook] fixed kernel autobind for on startup opened notebooks #13598
[notebook] fixed logic to set context for multiple notebooks #13566
[notebook] fixed notebook cell EOL splitting #13574
[notebook] fixed notebook model/cell disposal #13606
[notebook] fixed notebook widget icon on reload #13612
[notebook] improved notebook cell context key handling #13572
[notebook] improved notebook markdown cell rendering #13577
[plugin] added logic to hide empty plugin view containers from user #13581
[plugin] added logic to ignore vsix files in local-plugins dir #13435 - contributed on behalf of STMicroelectronics
[plugin] fixed onLanguage activation event #13630
[plugin] fixed issue with webview communication for Safari #13587
[plugin] updated DropMetada and documentPaste proposed API for 1.88 compatibility #13632
[plugin] updated back-end plugin deployment logic #13643 - contributed on behalf of STMicroelectronics
[process] fixed spawn calls for node LTS versions #13614
[remote] fixed remote support in packaged apps #13584
[scm] added support for dirty diff peek view #13104
[terminal] fixed spawn calls for node LTS versions #13614
[test] stubbed VS Code Test Coverage API #13631 - contributed on behalf of STMicroelectronics
[vsx-registry] fixed logic to bind Extension search bar within view container #13623

<a name="breaking_changes_1.49.0">Breaking Changes:</a>

[scm] revised some of the dirty diff related types #13104
- replaced DirtyDiff.added/removed/modified with changes, which provides more detailed information about the changes
- changed the semantics of LineRange to represent a range that spans up to but not including the end line (previously, it included the end line)
- changed the signature of DirtyDiffDecorator.toDeltaDecoration(LineRange | number, EditorDecorationOptions) to toDeltaDecoration(Change)