Release announcement blog post: https://blog.getbootstrap.com/2016/07/25/bootstrap-3-3-7-released/

JavaScript

• #19192 Fix keyboard navigation for toggle buttons (checkbox, radio, single toggle) following a mouse click
• #19659: Clear tooltip's $element to prevent leaking memory
• #20019: Avoid calling jQuery('#') since it's a syntax error in jQuery 3
• #20259: Backport jQuery-related JS unit test fixes from v4
• #20278: button.js: Set disabled property in addition to disabled attribute, for jQuery 3 compatibility
• #20313: Avoid using $.offset() on SVGs since it gives incorrect results in jQuery 3
• #20338: Update jQuery version check and jQuery dependency version range to allow jQuery 3

CSS

No significant changes.

Accessibility

• #19704: Add aria-label and callout about labeling pagination components

Docs

• #19263 Bump html5shiv to v3.7.3
• #19273 Port v4 browser support table format to v3
• #19893: Update jQuery to v1.12.4
• Numerous Wall of Browser Bugs updates