WWDC17如期而至晴玖，蘋果這一次表現(xiàn)出了足夠的誠意炬守，也表達了其繼續(xù)改變世界的決心和情懷眠菇。在Keynote環(huán)節(jié)用兩個多小時闡述和演示了蘋果生態(tài)系統(tǒng)軟硬件方面的更新，有升級優(yōu)化慈缔，也有創(chuàng)造革新叮称，可謂亮點多多。
蘋果一直聲稱要以技術(shù)和情懷改變世界，正如本次主題詞:
Technology alone is not enough.
Technology must intersect with the liberal arts and the humanities,
to create new ideas and experiences that push society forward.
This summer we bring together thousands of brilliant minds representing many diverse perspectives,passions, and talents to help us change the world.
僅僅靠技術(shù)是不夠的瓤檐。
技術(shù)必須與文科和人文相交赂韵，創(chuàng)造新的思想和經(jīng)驗，推動社會向前發(fā)展挠蛉。
今年夏天祭示，我們匯集了成千上萬的才華橫溢的人才，代表著許多不同的觀點谴古，激情和才華质涛，以幫助我們改變世界。
那么讥电，快來看看蘋果將怎樣改變世界吧
- 硬件方面：發(fā)布了包括21.5/27寸iMac/iMac Pro蹂窖、10.5寸超窄邊iPad Pro、7代酷睿的MacBook恩敌、A10X處理器的iPad Pro瞬测，支持Siri和HomeKit的全新硬件HomePad揚聲器等。
- 軟件方面：tvOS細微改進纠炮、watchOS 4月趟、macOS High Sierra、iOS 11等恢口。
本文目錄
1 tvOS
1.1 Changes on tvOC
2 watchOS
2.1 Changes on watchOS
2.2 Features
3 macOS High Sierra & New Macs
3.1 Updates on macOS High Sierra
3.1.1 Safari ( more faster )
3.1.2 Mail
3.1.3 Photo
3.1.4 Data
3.1.5 Video
3.1.6 Graphics ( All about GPU )
3.2 New iMacs
3.2.1 Features
3.2.2 Comparison
3.2.3 The most powerful Mac ever —iMac Pro
3.2.4 New MacBooks
4 iOS & HomePod
4.1 Technologies
4.1.1 Message
4.1.2 Siri
4.1.3 Camera & Photos
4.1.4 Map
4.1.5 Home Kit
4.1.6 Apple Music
4.1.7 App Store —the best platform in the worlld
4.1.8 Machine Learning ( Core ML )
4.1.9 AR ( AR Kit )—the largest AR platform in the world
4.1.10 Something Special for China
4.2 iOS 11 on iPad
4.2.1 Pro motion —120Hz Display refresh rate
4.2.2 Deck on iPad
4.2.3 Files on iPad
4.3 HomePod ( $349 )
4.3.1 For waht
4.3.2 Hardware
4.3.3 The Great Home Speaker
tvOS
Changes on tvOC
Add Amzon and suppot it's prime video
tvOS本次沒有實質(zhì)上的更新孝宗，僅僅宣布了亞馬遜的加入并帶來了更多優(yōu)秀的視頻。
watchOS
Changes on watchOS
Card View UI
Activity new UI
Great support for workout
Music app added and support background play
watch OS在UI上學(xué)習(xí)了Google Material UI的Card View,使得iWatch在視覺呈現(xiàn)上更加美觀耕肩，同時在通知欄UI上有了較大改變因妇。在運動、天氣猿诸、交通等方面更好地支持戶外生活婚被，運動數(shù)據(jù)呈現(xiàn)更加生動直觀。新加入的Music app讓用戶可以直接在手表上享受音樂梳虽，并可支持無線藍牙址芯。
Features
Screen autorotate
Background navigation
Background audio recording
Single-propress runtime
Full screen
Overlapping layers
Water lock API
Core Bluetooth
以上是watchOS許多細節(jié)上的特性。此外窜觉，watchOS新加入了萬花筒新表盤和玩具總動員表盤谷炸。
macOS High Sierra & New Macs
Updates on macOS High Sierra
Safari ( more faster )
World's most fast desktop browser
Modern JavaScript performance
Intelligent tracking prevention
Safari的更新最顯著的是速度，比Chrome快了80%禀挫，號稱目前最快速的桌面瀏覽器旬陡。
Full-screen split view
Storage space required for mail up to 35% less
郵箱可支持全屏左右分屏操作，可以對著收件內(nèi)容編輯回復(fù)特咆，方便直觀季惩；同時录粱，郵件的空間占用減少了35%。
Photo
更好地根據(jù)人工智能進行分類画拾，更精準(zhǔn)人臉識別啥繁，幫助用戶科學(xué)管理照片。
Data
APFS ( Apple File System )
Advanced architecture
Optimized for morden storage
64-bit data structure
Easily adapted to future storage
Safe and Secure
Crash protection
Safe document saves
Stable snapshots
Native encryption
Ultra Responsive
Instant file and directory cloning
Fast directory sizing
Zero copy snapshots
Parallelized metedata operations
Frequently used items in inode
Sparse file write
文件系統(tǒng)由HFS升級為APFS青抛，提升了易用性和安全性旗闽，復(fù)制操作顯著變快。
Video
H.265( High Efficiency Video Coding ) —up to 40% better compression than H.264
支持更加快速高效的H.265視頻編碼蜜另，壓縮速率比H.264快了40%适室。
Graphics ( All about GPU )
i. Metal 2 updated,up to 10x better draw call throughput
Driver optimizeations
Indirect argument buffers
SIMD group data exchange
Uniform variables
Sampler arrays
Resource heaps
由Metal到Metal 2，性能提高10倍举瑰。
ii. Used for machine learning
Metal perfance shaders
Recurrent nature network kernels
Binary convolution
Dilated convolution
L-2 norm pooling
Dilated pooling
加入人工智能捣辆，功能更強大。
iii. Metal for external graphics
Thunderbolt 3 enclosure
AMD Redern RX 580
USB-C hub
外部設(shè)備支持升級此迅。
iv. VR content creation ( Metal for VR )
VR -optimized display pipeline
Viewport arrays
System trace stereo timelines
GPU quene priorities
Frame debugger stereoscopic
Visualization
可支持VR內(nèi)容創(chuàng)造汽畴。
今天起可在開發(fā)者網(wǎng)站下載macOS High Sierra Bate版本
New iMacs
Features
Best Mac displayers ever
500 nits
43% brighter
10-bit dithering
One billion colrs
Faster processors
7th-gen Intel core
"Kaby lake"
Higher base & turbo frequencies
10-bit HEVC decode
更快的數(shù)據(jù)處理器
Higher memory capacity
Up to 32GB on 21.5-inch
Up to 64GB on 27-inch
更大存儲空間
Super fast storage
Fusion drive on all 27-inch
Up to 50% faster SSDs
Up to 2TB
超快存儲速度
Comparison
| iMac | Price | Improvement |
|---|---|---|
| iMac 21.5-inch | $1099 | Intl Iris Plus Graphics 640 with 64MB eDRAM & Up to 80% faster graphics |
| iMac Retina 4k 21.5-inch | $1499 | Radern Pro 555 & 560 up to 4GB VRAM & Up to 3xfaster graphics |
| iMac Retina 5k 27-inch | $1799 | Radern Pro 570,575 & 580 up to 8GB VRAM & Up to 5.5x teraflops |
The most powerful Mac ever —iMac Pro
Up to 18-Core Xean Procesor
Up to 22 traflops half precision
Up to 128GB ECC memory
…and so on
工作站級別，性能卓越耸序！
New MacBooks
| MacBook | Price |
|---|---|
| MacBook | $1299 |
| MacBook Pro | $1299 |
| MacBook Pro 13-inch | $1799 |
| MacBook Pro 15-inch | $2399 |
MacBook沒有更新忍些，手上的還可以用。
iOS & HomePod
Tim Cook首先鄙視了一下Android 7安裝率
iOS 10: %86
Android 7: %7
大家都知道這不能說明什么問題坎怪，Android 7安裝率低有其特殊原因罢坝，Just for fun。iOS 11 comes,我們主要來看iOS 11有哪些新特性搅窿。
Technologies
Message
Redesigned app drawer
Messages in iCloud
Optimized device storage smaller and faster backups iOS & macOS
50% U.S. retailers accpting Apple Pay by end of year send and received money on iMessage
iMessage可儲存到iCloud并可備份到iOS設(shè)備和macOS設(shè)備嘁酿，年底將有50%的零售商在iMessage支持Apple Pay支付。
Siri
i. 支持更多語言
ii. 支持人工智能
iii. 翻譯功能：支持英語與中文男应、法語痹仙、德語、意大利語殉了、西班牙語等互相翻譯
iv. Siri Kit can support more
Camera & Photos
H.265 supported
Depth API
Live Photos & Loop Photos & Live Photos倒放
圖片變得更有趣了。
Map
新增Do not disturb while driving模式拟枚，利用人工智能使用戶在駕車模式可打開該模式薪铜，防止不必要干擾（如推送、短信恩溅、垃圾郵件等）隔箍，接到短信后可自動發(fā)短信回復(fù)說明正在駕駛，稍后回復(fù)脚乡。
Home Kit
Air Play 2
開放Air Play 2 Audio API蜒滩，開發(fā)者可開發(fā)相關(guān)智能家居功能滨达。
Apple Music
Full access to Apple Music service
Cloud Library access
Users' for you recommendations
Featured music &charts
Search playlist,stations,,and catalog
更加注重社交和個性化，更智能幫助用戶篩選音樂俯艰。
App Store —the best platform in the worlld
Trusted and safe place for users great opportunity for all developers
Every single day has new app and new games commend for users
App Store中app和游戲展示更加豐富詳細捡遍，每日有推薦，值得信任竹握，安全友好画株。
Machine Learning ( Core ML )
Vision API,learning API
Images recognized per minute
人工智能開放API。
AR ( AR Kit )—the largest AR platform in the world
Fast,stable motion tracking
Plane estimation with basic boundaries
Ambient lighting estimation
Scale extimation
Support for Unity,Unreal,ScenceKit
Xcode app templates
蘋果終于祭出AR大招了啦辐，會上演示了Demo谓传，非常強大！
Something Special for China
QR code support
SMS fraud extension
Traffic cameras
Shanghainese dictation
English on 10-key Pinyin keyboard
Phone number as Apple ID
蘋果又一次在開發(fā)者大會上向中國用戶示好（畢竟中國用戶這么多）芹关。支持了用相機掃二維碼续挟、短信詐騙防護、交通攝像機侥衬、上海話聽寫10鍵拼音鍵盤和電話號碼綁定Apple ID等诗祸，誠意滿分。
iOS 11 on iPad
Pro motion —120Hz Display refresh rate
Six-Core CPU
Twelve-Core GPU
性能提升浇冰。
Deck on iPad
iPad新增Deck贬媒，類似于iMac，可呈現(xiàn)與隱藏肘习，方便拖拽與分屏际乘。
Files on iPad
iPad新增文件系統(tǒng)，支持拖來拖去功能漂佩，文件操作十分方便脖含，是一個非常強大的文件系統(tǒng)。
HomePod ( $349 )
Reinvent Home Music & Breakthrough Home Speaker
For waht
- Rock the house
- Spatial awareness
- Musicologist
- Home assistant
Hardware
7beam-forming tweeter array
Precision acoustic horns
Directional control
Apple designed woofer
Automatic bass equalizetion
Dynamic modeling
The Great Home Speaker
HomePod可以有一個非常高大上的中文名：轟趴投蝉，具有絕美外觀养葵，搭載A8處理器〈窭拢可支持立體環(huán)繞聲关拒，也可只朝一個方向發(fā)聲∮褂椋可在HomePod中使用Siri着绊，可以直接對它說話，如控制電器熟尉、介紹新聞等归露。具備Anonymous ID，黑白兩種顏色斤儿。
