0.12.20+10

• Refactor for internal tools.

0.12.20+9

• Introduce new flag --chain-stack-traces to conditionally chain stack traces.

0.12.20+8

• Fixed more blockers for compiling with dev_compiler.

• Dartfmt the entire repo.

• Note: 0.12.20+5-0.12.20+7 were tagged but not officially published.

0.12.20+7

More fixes for DDC

0.12.20+6

• Add type info to prevent DDC compile time failure

0.12.20+5

• Dartfmt repo

0.12.20+4

• Fixed strong-mode errors and other blockers for compiling with dev_compiler.