Conversation Improvements by Xon 2.5.1

• Code style cleanup
• Use strict equality checks
• Force global namespace for functions which are known to be optimizable to bytecode in php

• Remove unneeded SV/Utils bundle from redistributable, removing from hashes.json

• Requires php 7.0+
• Now depends on Standard Library by Xon
• Supports XF2.2

• Fix that deleting a conversation did not remove history items
• On install, Cleanup xf_edit_history table of orphaned conversation entries

• When "Allow conversations with no one" is enabled, also allow users to explicitly start a conversation with their self

• Require XF2.1+, remove XF2.0 support
• Do not disclose conversation title history to conversation starter unless they explicitly have permission

• php 7.4 compatibility update (Requires XF v2.1.3)

• Compatibility update for Conversation Essentials v2.1.0+

• Add "Count Conversation Likes/Reactions to user totals" option (default enabled).

This add-on appears to have no compatibility issues with XF2.1