Automatic reopening of the last project on startup can be prevented by pressing Shift while starting the app.
The visibility of this can be changed in the View menu.
The Relationship panel contains now a counter. When opening a Core Data database, a pre-check is done to make sure the required hidden external data folder is present, in case one (or more) of the attributes of one of the entities uses external binary data storage. This update contains the following small changes and enhancements: The said menu item is only enabled when the Core Data Lab project contains a reference to a Core Data app or model file. The presented dialog let you select a path to the new database and let you select the Core Data model from a dropdown with all model versions that are available in the current Core Data Lab project. To do this, select Project > Create New Database in the menu. You can now generate a new database in Core Data Lab based on an existing Core Data model. Nullify: this function sets all values of a selected attribute to nil, within the current selected entity and data selection. This function only works with string typed attributes. Find & Replace: this function finds a given phrase in a selected attribute and replaces it with another phrase, in the scope of the current entity and data selection. The following batch update functions have been added to Core Data Lab: You can now select the separator character when exporting to a CSV file. The CSV export features improved support for boolean, date and binary data. The relationship data concerns all first level relationship data of the entity that is being exported. The export dialog includes a checkbox to toggle this on or off. It is now possible to include relationship data when exporting data to a JSON file. The existing export functions have been extended and improved, to make them compatible with the new import functions: All attribute types can be imported, except ansformableAttributeType. Technical specifications can be found in article Exporting data in the Core Data Lab Help. Data formatting of the files must be identical to the export files of Core Data Lab. To import CSV files, macOS 12 or newer is required because the CSV import function makes use of the brand new TabularData framework. The JSON import function supports import of all first level relationship data of the selected entity. To start an import, select an entity in the sidebar and choose one of the import menu items in the Data menu or right-click context menu. 
In version 2.0 you can now import JSON and CSV files on entity level. Importing data was the number one feature request for Core Data Lab. Core Data Lab 2.0 is a free update for all current Core Data Lab users. Version 2.0 of Core Data Lab completes the Big Sur annex Monterey style adoption started in the previous version, including updated app and document icons, and adds a lot of frequently asked enhancements.
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