Ping categories, persistent markers, selection UI, and per-player/faction visibility filters - #927

Node.js 20 actions are deprecated. The following actions are running on Node.js 20 and may not work as expected: actions/checkout@v4, actions/setup-dotnet@v4. Actions will be forced to run with Node.js 24 by default starting June 2nd, 2026. Node.js 20 will be removed from the runner on September 16th, 2026. Please check if updated versions of these actions are available that support Node.js 24. To opt into Node.js 24 now, set the FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true environment variable on the runner or in your workflow file. Once Node.js 24 becomes the default, you can temporarily opt out by setting ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION=true. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Possible null reference assignment.

Possible null reference assignment.

Possible null reference assignment.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Converting null literal or possible null value to non-nullable type.

Possible null reference assignment.

Non-nullable field 'addGenericMethod' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

The switch expression does not handle some values of its input type (it is not exhaustive) involving an unnamed enum value. For example, the pattern '(Multiplayer.Common.DevModeScope)2' is not covered.

ProjectReference '/home/runner/work/Multiplayer/Multiplayer/Source/Common/Common.csproj' was resolved using '.NETFramework,Version=v4.8' instead of the project target framework '.NETCoreApp,Version=v8.0'. This project may not be fully compatible with your project.

Non-nullable field 'addGenericMethod' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Dereference of a possibly null reference.

Possible null reference return.

Possible null reference assignment.

Possible null reference assignment.

The switch expression does not handle some values of its input type (it is not exhaustive) involving an unnamed enum value. For example, the pattern '(Multiplayer.Common.DevModeScope)2' is not covered.

Possible null reference assignment.

Converting null literal or possible null value to non-nullable type.

Possible null reference assignment.

Converting null literal or possible null value to non-nullable type.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Converting null literal or possible null value to non-nullable type.

Possible null reference assignment.

Possible null reference assignment.

Converting null literal or possible null value to non-nullable type.

Possible null reference assignment.

Converting null literal or possible null value to non-nullable type.

Non-nullable field 'addGenericMethod' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.