`Tracking` Performance infrastructure, improvements & optimizations

> **Note**
> This is a "meta" issue for tracking purposes, since GitHub does not support special types of issues.

Tracking issue for any perf infra improvements + performance icebergs investigation/fixes.

**Open**

Others:
- https://github.com/dotnet/fsharp/issues/16247
- https://github.com/dotnet/fsharp/issues/16125
- https://github.com/dotnet/fsharp/issues/16037
- https://github.com/dotnet/fsharp/issues/15872
- https://github.com/dotnet/fsharp/issues/15716
- https://github.com/dotnet/fsharp/issues/15086
- https://github.com/dotnet/fsharp/issues/14754
- https://github.com/dotnet/fsharp/issues/13606
- https://github.com/dotnet/fsharp/issues/13218
- https://github.com/dotnet/fsharp/issues/12636
- https://github.com/dotnet/fsharp/issues/12421
- https://github.com/dotnet/fsharp/issues/12416
- https://github.com/dotnet/fsharp/issues/11898
- https://github.com/dotnet/fsharp/issues/10522
- https://github.com/dotnet/fsharp/issues/9348
- https://github.com/dotnet/fsharp/issues/9230
- https://github.com/dotnet/fsharp/issues/6228
- https://github.com/dotnet/fsharp/issues/6052
- https://github.com/dotnet/fsharp/issues/4691

**Closed**

- https://github.com/dotnet/fsharp/issues/16498
- https://github.com/dotnet/fsharp/issues/16497
- https://github.com/dotnet/fsharp/issues/16639
- https://github.com/dotnet/fsharp/issues/16286
- https://github.com/dotnet/fsharp/issues/16408
- https://github.com/dotnet/fsharp/issues/16407
- https://github.com/dotnet/fsharp/issues/16406
- https://github.com/dotnet/fsharp/issues/15833
- https://github.com/dotnet/fsharp/issues/15486
- https://github.com/dotnet/fsharp/issues/15434
- https://github.com/dotnet/fsharp/issues/13960
- https://github.com/dotnet/fsharp/issues/13739
- https://github.com/dotnet/fsharp/issues/13600
- https://github.com/dotnet/fsharp/issues/13236
- https://github.com/dotnet/fsharp/issues/13098
- https://github.com/dotnet/fsharp/issues/13033
- https://github.com/dotnet/fsharp/issues/13031
- https://github.com/dotnet/fsharp/issues/12746
- https://github.com/dotnet/fsharp/issues/12380
- https://github.com/dotnet/fsharp/issues/12196
- https://github.com/dotnet/fsharp/issues/11907
- https://github.com/dotnet/fsharp/issues/11802
- https://github.com/dotnet/fsharp/issues/9251
- https://github.com/dotnet/fsharp/issues/526