| All platforms
| Any build
|-
| [[#Cycle Collector Debugging (DEBUG_CC)|Cycle Collector debugging]]
| Windows, documents, content nodes, ...
| ?
| Build with DEBUG_CC
|-
| [[#JavaScript heap dump|JavaScript heap dump]]
| ?
| All platforms
| Debug build
|-
| [[#Cycle collector heap dump|Cycle collector heap dump (includes JS heap dump)]]