Some updates to the known issues section
Updates to the known issues section
## Known Issues
-* [#1663](https://github.com/FuelLabs/sway/issues/1663): Using an explicit `return` in all branches of an `if let` expression causes a compile error. The workaround is to use implicit returns instead.
-
* [#870](https://github.com/FuelLabs/sway/issues/870): All `impl` blocks need to be defined before any of the functions they define can be called.
## Missing Features
* [#428](https://github.com/FuelLabs/sway/issues/428): Arrays are currently immutable which means that changing elements of an array once initialized is not yet possible.
-* [#1077](https://github.com/FuelLabs/sway/issues/1077): Dynamic vectors, i.e. `Vec<T>`, have not yet been implemented.
+* [#2035](https://github.com/FuelLabs/sway/issues/2035): Dynamic vectors _in storage_ have not yet been implemented. Only [vectors in memory](https://github.com/FuelLabs/sway/blob/master/sway-lib-std/src/vec.sw) are available at the moment.
+
+* [#1188](https://github.com/FuelLabs/sway/issues/1188): Mutable function arguments are not yet allowed except for `self`.
## General
