We just pushed a minor patch:

• Fixed some inconsistencies with how friendly fire interacts with sabotaged buildables
• Removed the -1 frag recieved from suicides
• The top damager of a player that kills themselves now gets an assist (shown in death notices as suicider + assister)

Note, servers will need to update for all of these changes to take effect

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Player feedback and suggestions are welcome on GitHub

Also here's the changelog for v2.7.7 which never got posted here (released in September 2018):

• Fixed ff_restartround and other events not being relayed to SourceTV (fixes things like restartround not resetting Lua HUD elements in SourceTV demos, SGs getting killed not showing up in SourceTV demos, Lua-based objective death notices not showing up in SourceTV demos, etc)
• Added hud_lua convar to control Lua HUD elements being drawn
• Stop hud_keystate being drawn when in spec freecam