The following combined token is never disposed: https://github.com/dotnet/roslyn/blob/6023476974b6348c6660a1e64e183e2b2e46dde0/src/Features/LanguageServer/Protocol/Handler/RequestExecutionQueue.cs#L165 This produced a memory leak, where all cancellation token sources for the request queue are retained indefinitely. Also filed internally: [AB#1495106](https://devdiv.visualstudio.com/0bdbc590-a062-4c3f-b0f6-9383f67865ee/_workitems/edit/1495106) [AB#1464066](https://devdiv.visualstudio.com/0bdbc590-a062-4c3f-b0f6-9383f67865ee/_workitems/edit/1464066)
The following combined token is never disposed:
roslyn/src/Features/LanguageServer/Protocol/Handler/RequestExecutionQueue.cs
Line 165 in 6023476
This produced a memory leak, where all cancellation token sources for the request queue are retained indefinitely.
Also filed internally:
AB#1495106
AB#1464066