feat: merge 0.14.0

[shiki-tak]

migrate upstream v0.14.0

[brew0722]

Shouldn't circleci be erased?

[shiki-tak]

Shouldn't circleci be erased?

thx! you're right.

[whylee259]

I've left one minor comment.
Except it, LGTM.

[CLAassistant]

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1 out of 4 committers have signed the CLA.

✅ shiki-tak
❌ Deployer
❌ ethanfrey
❌ webmaster128

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