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marionette v3.1.0 Release Notes

  • General

    • 🐎 Performance optimizations for triggerMethod, mergeOptions and other internal event handlers
    • ⚡️ Significant render and removal optimizations for CollectionView utilizing Backbone's update event

    🔋 Features

    • 🗄 Region.detachView and View.detachChildView were added for removing a view from a region without destroying it. This is preferred to the now deprecated preventDestroy region show/empty option
    • childViewEventPrefix: false will disable auto-proxying of child events to the parent view
    • Application will now accept a region definition object literal as an instantiation option
    • 🚚 Regions are now destroyed when removed from a View

    🛠 Fixes

    • 🛠 Fixed an issue with Lodash 4 compatibility related to behavior events

    🗄 Deprecations

    • 🗄 Region empty's preventDestroy option was deprecated in favor of detachView
    • 🗄 A region definition object literal's selector key was deprecated due to redundacy in favor of the existing key el

    Misc

    • 📚 Many documentation fixes for v3
    • ✂ Removed shouldReplace logic from attachHtml so overriding no longer breaks replaceElement functionality
    • 🔦 Exposed View.normalizeUIString for external libraries
    • 👌 Improvements were made for Views initialized with existing DOM elements