Instructions: https://github.com/alangpierce/sucrase/wiki/Porting-changes-from-Babel's-parser

4b674ea031 v7.13.11
🚫 Release only.

beb7cf8b24 Sort error keys with ESLint (#13020)
🚫 Babel-internal change.

edb11baabf v7.13.12
🚫 Release only.

4f727139ec fix(ts): Allow parenthesized "assert and assign" (#12933)
🚫 Seems to work fine in Sucrase.

0067fd9e02 Disallow await before exponential (#12441)
🚫 Validation only.

2f8203f190 v7.13.13
🚫 Release only.

8efbac4a5d fix: the LHS in for-of loop should not start with let (#13049)
🚫 Validation only.

a647b9ea6b Convert `@babel/core` to TypeScript (#12929)
🚫 Babel-internal.

7fe3ebf4db fix: raise `SyntaxError` for unparenthesized assert and assign (#13099)
🚫 Validation only.

42e630e8a2 Allow trailing comma after rest parameter in TSDeclareFunction (#13101)
🚫 Seems to work fine in Sucrase.

e50f6f7eef v7.13.15
🚫 Release only.

368bf893fa [ts] raise `SyntaxError` for `declare` before getter/setter (#13143)
🚫 Validation only.

d94a8e50ed v7.13.16
🚫 Release only.

10f4d08efb refactor: avoid parsing logic on locations (#13200)
🚫 Refactor not relevant to Sucrase.

0ee98139a6 Introduce parser error codes (#13033)
🚫 Error handling not relevant to Sucrase.

eac0259ce2 Support TS 4.3 static index signature in classes (#13096)
✅ Ported and updated parser to mark all modifiers as type tokens.

f8aa32f767 Support parsing Flow's Indexed Access Types (#13053)
✅ Straightforward port.

bf14a106ad Support TS 4.3 `override` syntax in class (#13097)
✅ Ported non-validation parts and implemented the feature in the transformer as well.

2521c666f7 Add internal ESLint rule for consistent parser error messages (#13130)
🚫 Error messaging only.

7484b51e56 Support TS 4.3 `get`/`set` type members (#13089)
✅ Ported, though the implementation needed some changes to avoid depending on the AST.

c949660b34 babel-parser: Deep freeze for `makeErrorTemplates` (#13142)
🚫 Babel internal.