Issue #2661364 by Dave Reid: Fixed String class is now SafeMarkup
Issue #2660708 by Dave Reid: Error with default config and config schema
Issue #2598936 by benelori: Fixed custom links page used _content instead of _controller.
Issue #2637332 by swentel: Fixed sitemap entity could not be deleted in the UI.
Issue #2455217 by Michelle, camoa: Updated watchdog() calls to use logging service.
Issue #2485859 by camoa: Fixed error when saving settings by not adding a subtype for the frontpage link.
Issue #2495523 by Dave Reid, mikeker: Converted test classes from getInfo() to annotations, and changed setUp() from public to protected.
Issue #2505921 by deaconblues: Fatal error when navigating to Sitemap Entities tab in Configuration
Issue #2479261 by lauriii: Cache rebuild doesn't work after installing xmlsitemap_custom
Issue #2467133 by lhangea: Can not set values on immutable configuration xmlsitemap_engines.settings:engines
Issue #2469301 by tadityar : Doc comment should end with a full stop
Issue #2469295 by tadityar: Return comment indentation should be 3 spaces
Issue #2469293 by tadityar: No commas after last multiline array item
Issue #2463993 by paulmckibben: admin/config does not load: Url could not be converted to string
Issue #2410039 by tadityar: Documentation should not exceed 80 chars
Issue #2401387 by Michelle, andythorne, stella: drupal_write_record() has been removed
Issue #2401665 by andythorne, Michelle: xmlsitemap-content-settings-table.html.twig does not exist
Issue #2456021 by Michelle: No js in #attached and no need for summary
Issue #2452731 by Michelle: fromRoute used where fromUri should be
Issue #2453513 by Michelle: check_plain used on settings page
Issue #2455205 by Michelle: drupal_strtolower()is now Unicode::strtolower()
Issue #2453505 by Michelle: Link related issues on settings page
Issue #2427509 by paulmckibben, Michelle, andrei.dincu: Installation fails on Drupal 8 beta 6
Issue #2410197 by Michelle: Wrong path to arrow images
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