| <!--{ |
| "Title": "Go 1.11 Release Notes", |
| "Path": "/doc/go1.11", |
| "Template": true |
| }--> |
| |
| <!-- |
| NOTE: In this document and others in this directory, the convention is to |
| set fixed-width phrases with non-fixed-width spaces, as in |
| <code>hello</code> <code>world</code>. |
| Do not send CLs removing the interior tags from such phrases. |
| --> |
| |
| <style> |
| ul li { margin: 0.5em 0; } |
| </style> |
| |
| <h2 id="introduction">DRAFT RELEASE NOTES - Introduction to Go 1.11</h2> |
| |
| <p> |
| <strong> |
| Go 1.11 is not yet released. These are work-in-progress |
| release notes. Go 1.11 is expected to be released in August 2018. |
| </strong> |
| </p> |
| |
| <p> |
| The latest Go release, version 1.11, arrives six months after <a href="go1.10">Go 1.10</a>. |
| Most of its changes are in the implementation of the toolchain, runtime, and libraries. |
| As always, the release maintains the Go 1 <a href="/doc/go1compat.html">promise of compatibility</a>. |
| We expect almost all Go programs to continue to compile and run as before. |
| </p> |
| |
| <h2 id="language">Changes to the language</h2> |
| |
| <p> |
| There are no changes to the language specification. |
| </p> |
| |
| <h2 id="ports">Ports</h2> |
| |
| <p> |
| As <a href="go1.10#ports">announced in the Go 1.10 release notes</a>, Go 1.11 now requires |
| OpenBSD 6.2 or later, macOS 10.10 Yosemite or later, or Windows 7 or later; |
| Support for previous versions of these operating systems has been removed. |
| </p> |
| |
| <p> |
| There are <a href="https://golang.org/issue/25206">known issues</a> with NetBSD on i386 hardware. |
| </p> |
| |
| <p><!-- CL 107935 --> |
| TODO: PPC64LE race detector support |
| </p> |
| |
| <h3 id="package-versioning">Package Versioning (vgo)</h3> |
| <p> |
| <strong> |
| NOTE: This is not present in go1.11beta1 but will be available in future |
| betas and subsequent releases. |
| </strong> |
| Go 1.11 adds experimental, integrated support for package versioning. |
| </p> |
| |
| <h3 id="wasm">WebAssembly</h3> |
| <p> |
| Go 1.11 adds an experimental port to WebAssembly (<code>js/wasm</code>). |
| </p> |
| |
| <h2 id="library">Core library</h2> |
| |
| <p> |
| All of the changes to the standard library are minor. |
| </p> |
| |
| <h3 id="minor_library_changes">Minor changes to the library</h3> |
| |
| <p> |
| As always, there are various minor changes and updates to the library, |
| made with the Go 1 <a href="/doc/go1compat">promise of compatibility</a> |
| in mind. |
| </p> |
| |
| <!-- CL 113315: https://golang.org/cl/113315: cmd/asm: enable AVX512 --> |
| <!-- CL 100459: https://golang.org/cl/100459: cmd/compile: reject type switch with guarded declaration and no cases --> |
| <!-- CL 106797: https://golang.org/cl/106797: cmd/compile: enable indexed export format by default --> |
| <!-- CL 108475: https://golang.org/cl/108475: cmd/compile: add softfloat support to mips64{,le} --> |
| <!-- CL 97375: https://golang.org/cl/97375: cmd/compile, cmd/compile/internal/syntax: print relative column info --> |
| <!-- CL 110395: https://golang.org/cl/110395: cmd/go, cmd/compile: use Windows response files to avoid arg length limits --> |
| <!-- CL 107475: https://golang.org/cl/107475: cmd/internal/obj/arm, runtime: delete old ARM softfloat code --> |
| <!-- CL 112436: https://golang.org/cl/112436: cmd/pprof: add readline support similar to upstream --> |
| <dl id="all"><dt><a href="/pkg/all/">all</a></dt> |
| <dd> |
| <p><!-- CL 93875 --> |
| TODO: <a href="https://golang.org/cl/93875">https://golang.org/cl/93875</a>: enable c-shared/c-archive support for freebsd/amd64 |
| </p> |
| |
| <p><!-- CL 94255 --> |
| TODO: <a href="https://golang.org/cl/94255">https://golang.org/cl/94255</a>: drop support for Windows Vista or below (Windows XP) |
| </p> |
| |
| <p><!-- CL 115038 --> |
| TODO: <a href="https://golang.org/cl/115038">https://golang.org/cl/115038</a>: remove support for macOS 10.9 and earlier |
| </p> |
| |
| </dl><!-- all --> |
| |
| <dl id="crypto"><dt><a href="/pkg/crypto/">crypto</a></dt> |
| <dd> |
| <p><!-- CL 64451 --> |
| TODO: <a href="https://golang.org/cl/64451">https://golang.org/cl/64451</a>: randomly read an extra byte of randomness in some places. |
| </p> |
| |
| </dl><!-- crypto --> |
| |
| <dl id="crypto/cipher"><dt><a href="/pkg/crypto/cipher/">crypto/cipher</a></dt> |
| <dd> |
| <p><!-- CL 48510, CL 116435 --> |
| TODO: <a href="https://golang.org/cl/48510">https://golang.org/cl/48510</a>: add NewGCMWithTagSize for custom tag sizes. |
| </p> |
| |
| </dl><!-- crypto/cipher --> |
| |
| <dl id="crypto/rsa"><dt><a href="/pkg/crypto/rsa/">crypto/rsa</a></dt> |
| <dd> |
| <p><!-- CL 103876 --> |
| TODO: <a href="https://golang.org/cl/103876">https://golang.org/cl/103876</a>: add PublicKey.Size accessor |
| </p> |
| |
| </dl><!-- crypto/rsa --> |
| |
| <dl id="debug/elf"><dt><a href="/pkg/debug/elf/">debug/elf</a></dt> |
| <dd> |
| <p><!-- CL 112115 --> |
| TODO: <a href="https://golang.org/cl/112115">https://golang.org/cl/112115</a>: add machine and OSABI constants |
| </p> |
| |
| </dl><!-- debug/elf --> |
| |
| <dl id="encoding/asn1"><dt><a href="/pkg/encoding/asn1/">encoding/asn1</a></dt> |
| <dd> |
| <p><!-- CL 110561 --> |
| TODO: <a href="https://golang.org/cl/110561">https://golang.org/cl/110561</a>: allow Marshaling and Unmarshaling private tag class |
| </p> |
| |
| </dl><!-- encoding/asn1 --> |
| |
| <dl id="encoding/base32"><dt><a href="/pkg/encoding/base32/">encoding/base32</a></dt> |
| <dd> |
| <p><!-- CL 112516 --> |
| TODO: <a href="https://golang.org/cl/112516">https://golang.org/cl/112516</a>: handle surplus padding consistently |
| </p> |
| |
| </dl><!-- encoding/base32 --> |
| |
| <dl id="encoding/csv"><dt><a href="/pkg/encoding/csv/">encoding/csv</a></dt> |
| <dd> |
| <p><!-- CL 99696 --> |
| TODO: <a href="https://golang.org/cl/99696">https://golang.org/cl/99696</a>: disallow quote for use as Comma |
| </p> |
| |
| </dl><!-- encoding/csv --> |
| |
| <dl id="go/build, runtime/internal/sys"><dt><a href="/pkg/go/build, runtime/internal/sys/">go/build, runtime/internal/sys</a></dt> |
| <dd> |
| <p><!-- CL 106256 --> |
| TODO: <a href="https://golang.org/cl/106256">https://golang.org/cl/106256</a>: reserve RISC-V arch names |
| </p> |
| |
| </dl><!-- go/build, runtime/internal/sys --> |
| |
| <dl id="image/gif"><dt><a href="/pkg/image/gif/">image/gif</a></dt> |
| <dd> |
| <p><!-- CL 93076 --> |
| TODO: <a href="https://golang.org/cl/93076">https://golang.org/cl/93076</a>: support non-looping animated gifs (LoopCount=-1) |
| </p> |
| |
| </dl><!-- image/gif --> |
| |
| <dl id="io/ioutil"><dt><a href="/pkg/io/ioutil/">io/ioutil</a></dt> |
| <dd> |
| <p><!-- CL 105675 --> |
| TODO: <a href="https://golang.org/cl/105675">https://golang.org/cl/105675</a>: change TempFile prefix to a pattern |
| </p> |
| |
| </dl><!-- io/ioutil --> |
| |
| <dl id="math/big"><dt><a href="/pkg/math/big/">math/big</a></dt> |
| <dd> |
| <p><!-- CL 74851 --> |
| TODO: <a href="https://golang.org/cl/74851">https://golang.org/cl/74851</a>: speed-up addMulVVW on amd64 |
| </p> |
| |
| </dl><!-- math/big --> |
| |
| <dl id="net"><dt><a href="/pkg/net/">net</a></dt> |
| <dd> |
| <p><!-- CL 72810 --> |
| TODO: <a href="https://golang.org/cl/72810">https://golang.org/cl/72810</a>: add ListenConfig, Dialer.Control to permit socket opts before listen/dial |
| </p> |
| |
| <p><!-- CL 76391 --> |
| TODO: <a href="https://golang.org/cl/76391">https://golang.org/cl/76391</a>: implement (*syscall.RawConn).Read/Write on Windows |
| </p> |
| |
| <p><!-- CL 107715 --> |
| TODO: <a href="https://golang.org/cl/107715">https://golang.org/cl/107715</a>: add support for splice(2) in (*TCPConn).ReadFrom on Linux |
| </p> |
| |
| <p><!-- CL 108297 --> |
| TODO: <a href="https://golang.org/cl/108297">https://golang.org/cl/108297</a>: calling File leaves the socket in nonblocking mode |
| </p> |
| |
| </dl><!-- net --> |
| |
| <dl id="net/http"><dt><a href="/pkg/net/http/">net/http</a></dt> |
| <dd> |
| <p><!-- CL 89275 --> |
| TODO: <a href="https://golang.org/cl/89275">https://golang.org/cl/89275</a>: don't sniff Content-type in Server when X-Content-Type-Options:nosniff |
| </p> |
| |
| <p><!-- CL 93296 --> |
| TODO: <a href="https://golang.org/cl/93296">https://golang.org/cl/93296</a>: add StatusMisdirectedRequest (421) |
| </p> |
| |
| </dl><!-- net/http --> |
| |
| <dl id="os"><dt><a href="/pkg/os/">os</a></dt> |
| <dd> |
| <p><!-- CL 78835 --> |
| TODO: <a href="https://golang.org/cl/78835">https://golang.org/cl/78835</a>: add UserCacheDir |
| </p> |
| |
| <p><!-- CL 94856 --> |
| TODO: <a href="https://golang.org/cl/94856">https://golang.org/cl/94856</a>: add ModeIrregular flag |
| </p> |
| |
| <p><!-- CL 99337 --> |
| TODO: <a href="https://golang.org/cl/99337">https://golang.org/cl/99337</a>: enable symlink creation on Windows 10 |
| </p> |
| |
| <p><!-- CL 100077 --> |
| TODO: <a href="https://golang.org/cl/100077">https://golang.org/cl/100077</a>: use poller when NewFile is called with a blocking descriptor. |
| </p> |
| |
| </dl><!-- os --> |
| |
| <dl id="os/signal"><dt><a href="/pkg/os/signal/">os/signal</a></dt> |
| <dd> |
| <p><!-- CL 108376 --> |
| TODO: <a href="https://golang.org/cl/108376">https://golang.org/cl/108376</a>: add func Ignored(sig Signal) bool |
| </p> |
| |
| </dl><!-- os/signal --> |
| |
| <dl id="os/user"><dt><a href="/pkg/os/user/">os/user</a></dt> |
| <dd> |
| <p><!-- CL 92456 --> |
| TODO: <a href="https://golang.org/cl/92456">https://golang.org/cl/92456</a>: add a way to enforce pure Go implementation |
| </p> |
| |
| </dl><!-- os/user --> |
| |
| <dl id="runtime"><dt><a href="/pkg/runtime/">runtime</a></dt> |
| <dd> |
| <p><!-- CL 85887 --> |
| TODO: <a href="https://golang.org/cl/85887">https://golang.org/cl/85887</a>: use sparse mappings for the heap |
| </p> |
| |
| <p><!-- CL 94076 --> |
| TODO: <a href="https://golang.org/cl/94076">https://golang.org/cl/94076</a>: use native CAS and memory barrier on ARMv7 |
| </p> |
| |
| <p><!-- CL 106156 --> |
| TODO: <a href="https://golang.org/cl/106156">https://golang.org/cl/106156</a>: use fixed TLS offsets on darwin/amd64 and darwin/386 |
| </p> |
| |
| <p><!-- CL 109255 --> |
| TODO: <a href="https://golang.org/cl/109255">https://golang.org/cl/109255</a>: enable memory sanitizer on arm64 |
| </p> |
| |
| </dl><!-- runtime --> |
| |
| <dl id="runtime,cmd/ld"><dt><a href="/pkg/runtime,cmd/ld/">runtime,cmd/ld</a></dt> |
| <dd> |
| <p><!-- CL 108679 --> |
| TODO: <a href="https://golang.org/cl/108679">https://golang.org/cl/108679</a>: on darwin, create theads using libc |
| </p> |
| |
| </dl><!-- runtime,cmd/ld --> |
| |
| <dl id="runtime/pprof"><dt><a href="/pkg/runtime/pprof/">runtime/pprof</a></dt> |
| <dd> |
| <p><!-- CL 102696 --> |
| TODO: <a href="https://golang.org/cl/102696">https://golang.org/cl/102696</a>: introduce "allocs" profile |
| </p> |
| |
| </dl><!-- runtime/pprof --> |
| |
| <dl id="runtime/traceback"><dt><a href="/pkg/runtime/traceback/">runtime/traceback</a></dt> |
| <dd> |
| <p><!-- CL 70993 --> |
| TODO: <a href="https://golang.org/cl/70993">https://golang.org/cl/70993</a>: support tracking goroutine ancestor tracebacks with GODEBUG="tracebackancestors=N" |
| </p> |
| |
| </dl><!-- runtime/traceback --> |
| |
| <dl id="sync"><dt><a href="/pkg/sync/">sync</a></dt> |
| <dd> |
| <p><!-- CL 87095 --> |
| TODO: <a href="https://golang.org/cl/87095">https://golang.org/cl/87095</a>: enable profiling of RWMutex |
| </p> |
| |
| </dl><!-- sync --> |
| |
| <dl id="syscall"><dt><a href="/pkg/syscall/">syscall</a></dt> |
| <dd> |
| <p><!-- CL 106275 --> |
| TODO: <a href="https://golang.org/cl/106275">https://golang.org/cl/106275</a>: introduce Pointer type and use it instead of uintptr |
| </p> |
| |
| </dl><!-- syscall --> |
| |
| <dl id="text/scanner"><dt><a href="/pkg/text/scanner/">text/scanner</a></dt> |
| <dd> |
| <p><!-- CL 112037 --> |
| TODO: <a href="https://golang.org/cl/112037">https://golang.org/cl/112037</a>: return RawString token rather than String for raw string literals |
| </p> |
| |
| </dl><!-- text/scanner --> |
| |
| <dl id="text/template"><dt><a href="/pkg/text/template/">text/template</a></dt> |
| <dd> |
| <p><!-- CL 84480 --> |
| TODO: <a href="https://golang.org/cl/84480">https://golang.org/cl/84480</a>: add variable assignments |
| </p> |
| |
| </dl><!-- text/template --> |
| |
| <dl id="time"><dt><a href="/pkg/time/">time</a></dt> |
| <dd> |
| <p><!-- CL 98157 --> |
| TODO: <a href="https://golang.org/cl/98157">https://golang.org/cl/98157</a>: add support for parsing timezones denoted by sign and offset |
| </p> |
| |
| </dl><!-- time --> |
