Bug fixes

• #2024 rebuild components upon dependencies changes for compilers that build dependencies
• #2067 fix bit checkout to not duplicate modified files when the shared dir has changed
• #2079 update bit-javascript to fix error when Yarn workspaces uses nohoist
• #2072 update bit-javascript to support React fragments

Experimental

• #2066 introduce --skip-auto-tag flag for bit tag

Internal

• move from flow to typescript