Skip to content

Commit b5b3da3

Browse files
authored
Update RELEASES.md
1 parent 3dffaa0 commit b5b3da3

File tree

1 file changed

+18
-23
lines changed

1 file changed

+18
-23
lines changed

RELEASES.md

+18-23
Original file line numberDiff line numberDiff line change
@@ -3,37 +3,38 @@ Version 1.23.0 (2018-01-04)
33

44
Language
55
--------
6-
- [Fixed displaying duplicate errors on some trait bounds.][45772]
6+
- [Arbitrary `auto` traits are now permitted in trait objects.][45772]
7+
- [rustc now uses subtyping on the left hand side of binary operations.][45435]
8+
Which should fix some confusing errors in some operations.
79

810
Compiler
911
--------
10-
- [Enabled `TrapUnreachable` in LLVM which should prevent some cases of
12+
- [Enabled `TrapUnreachable` in LLVM which should mitigate the impact of
1113
undefined behaviour.][45920]
1214
- [rustc now suggests renaming import if names clash.][45660]
1315
- [Display errors/warnings correctly when there are zero-width or
1416
wide characters.][45711]
15-
- [rustc now uses subtyping on the left hand side of binary operations.][45435]
16-
Which should fix some confusing errors in some operations.
17-
- [Bumped the minimum LLVM to 3.9][45326]
1817
- [rustc now avoids unnecessary copies of arguments that are
1918
simple bindings][45380] This should improve memory usage on average by 5-10%.
2019
- [Updated musl used to build musl rustc to 1.1.17][45393]
20+
- [Refactored type memory layouts and ABIs.][45225] This will reduce
21+
memory size for some types. Eg. `io::Result<()>` is now 16 bytes
22+
where it was previously 24.
2123

2224
Libraries
2325
---------
24-
- [impl `From<T>` for `Mutex<T>` and `RwLock<T>`][46082]
25-
- [Allow a trailling comma in `assert_eq/ne` macro][45887]
26+
- [Allow a trailing comma in `assert_eq/ne` macro][45887]
2627
- [Implement Hash for raw pointers to unsized types][45483]
2728
- [impl `From<*mut T>` for `AtomicPtr<T>`][45610]
28-
- [impl `From<{number_size}>` for `Atomic{number_size}`][45610] eg. `From<u8>`
29-
for `AtomicU8`.
29+
- [impl `From<usize/isize>` for `AtomicUsize/AtomicIsize`.][45610]
3030
- [Removed the `T: Sync` requirement for `RwLock<T>: Send`][45267]
31-
- [Removed `T: Sized` requirement for `<*const T>::as_ref`
32-
and `<*const T>::as_mut`][44932]
31+
- [Removed `T: Sized` requirement for `{<*const T>, <*mut T>}::as_ref`
32+
and `<*mut T>::as_mut`][44932]
3333
- [Optimized `Thread::{park, unpark}` implementation][45524]
3434
- [Improved `SliceExt::binary_search` performance.][45333]
35-
- [Optimized `Read::read_to_end`.][46050] This increase file read speed and for
36-
small files reduce the number of syscalls.
35+
- [impl `FromIterator<()>` for `()`][45379]
36+
- [Copied `AsciiExt` trait methods to primitive types.][44042] Use of `AsciiExt`
37+
is now deprecated.
3738

3839
Stabilized APIs
3940
---------------
@@ -55,25 +56,22 @@ Misc
5556

5657
Compatibility Notes
5758
-------------------
58-
- [`fmt::Arguments` can no longer be shared across threads.][45198]
5959
- [Changes have been made to type equality to make it more correct,
6060
in rare cases this could break some code.][45853] [Tracking issue for
6161
further information][45852]
62-
- [Changed how closures are stored, as a result of this change you can no longer
63-
have a situation where a closure directly calls itself.][45879]
6462
- [`char::escape_debug` now uses Unicode 10 over 9.][45571]
6563
- [Upgraded Android SDK to 27, and NDK to r15c.][45580] This drops support for
6664
Android 9, the minimum supported version is Android 14.
67-
- [Refactored type memory layouts and ABIs.][45225] This reduce code generated
68-
for a lot of types.
69-
65+
- [Bumped the minimum LLVM to 3.9][45326]
66+
67+
[44042]: https://github.com/rust-lang/rust/pull/44042
7068
[44932]: https://github.com/rust-lang/rust/pull/44932
71-
[45198]: https://github.com/rust-lang/rust/pull/45198
7269
[45225]: https://github.com/rust-lang/rust/pull/45225
7370
[45267]: https://github.com/rust-lang/rust/pull/45267
7471
[45324]: https://github.com/rust-lang/rust/pull/45324
7572
[45326]: https://github.com/rust-lang/rust/pull/45326
7673
[45333]: https://github.com/rust-lang/rust/pull/45333
74+
[45379]: https://github.com/rust-lang/rust/pull/45379
7775
[45380]: https://github.com/rust-lang/rust/pull/45380
7876
[45393]: https://github.com/rust-lang/rust/pull/45393
7977
[45435]: https://github.com/rust-lang/rust/pull/45435
@@ -88,12 +86,9 @@ Compatibility Notes
8886
[45772]: https://github.com/rust-lang/rust/pull/45772
8987
[45852]: https://github.com/rust-lang/rust/issues/45852
9088
[45853]: https://github.com/rust-lang/rust/pull/45853
91-
[45879]: https://github.com/rust-lang/rust/pull/45879
9289
[45887]: https://github.com/rust-lang/rust/pull/45887
9390
[45903]: https://github.com/rust-lang/rust/pull/45903
9491
[45920]: https://github.com/rust-lang/rust/pull/45920
95-
[46050]: https://github.com/rust-lang/rust/pull/46050
96-
[46082]: https://github.com/rust-lang/rust/pull/46082
9792
[cargo/4506]: https://github.com/rust-lang/cargo/pull/4506
9893
[cargo/4561]: https://github.com/rust-lang/cargo/pull/4561
9994
[cargo/4592]: https://github.com/rust-lang/cargo/pull/4592

0 commit comments

Comments
 (0)