Add-ons Alert Improvements by Xon 2.10.13

• Work-around surprisingly expensive add-on live-ness join when fetching alerts and instead filter by content_type
• Fix some bad index selection for newer MariaDB/MySQL versions for various parts of the add-on
• Fix some bad performance when using the 'unsummarize' feature
• Fix bad links for profile-post summary alerts
• Fix formatting of alert summarization threshold option not being a numberbox
• Fix summary alerts could have a "G" as the user avatar for alerts which aren't attributed to a user
• Style compatibility fix where the day-selector on the alerts page could be forced onto a new line
• Rework alert summarization feature to be more performant and use less memory
• Rework alert preferences
  • Cleanup various phrasing and add more explainer text to hopefully be less confusing
  • Add "Alerting preference defaults" option
  • Add simplified interface for alert preferences (no alerts, use defaults, use custom).
  • Add per-alert "Alert bell read" option to alert preferences which allows setting if each individual alert is mark-as-read when viewed in the alerts pop-up
• Add support for summarizing XFMG reactions alerts
• Add support for summarizing post quotes alerts
• Add support for summarizing user followed alerts

Spoiler: ScreenShots

This add-on is now available on atelieraphelion.com

• Fix "Alerts pop-up skips mark read" and "Alerts page skips summarizing" user-options did not save as expected
• Fix "Alert resummarize flood check" global option didn't allow selecting 0 to disable it

• Fix regression in v2.9.0 where empty content summary alerts was being generated, and incorrectly preferring a per-user summary instead
• Fix that editing alert preferences when summarization is disabled, would disable some summarization options