{"id":102241,"date":"2021-11-09T03:36:42","date_gmt":"2021-11-09T01:36:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-otkrytoj-platformy-platformy-net-6"},"modified":"2021-11-09T03:36:42","modified_gmt":"2021-11-09T01:36:42","slug":"reliz-otkrytoj-platformy-platformy-net-6","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/reliz-otkrytoj-platformy-platformy-net-6","title":{"rendered":"Lan\u00e7amento da plataforma aberta .NET 6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A Microsoft apresentou um novo lan\u00e7amento significativo da plataforma aberta .NET 6, desenvolvido por meio da unifica\u00e7\u00e3o dos produtos .NET Framework, .NET Core e Mono. Com o .NET 6, \u00e9 poss\u00edvel criar aplica\u00e7\u00f5es multiplataforma para navegadores, sistemas em nuvem, desktops, dispositivos IoT e plataformas m\u00f3veis, utilizando bibliotecas unificadas e um processo de compila\u00e7\u00e3o comum, independentemente do tipo de aplica\u00e7\u00e3o. As distribui\u00e7\u00f5es .NET SDK 6, .NET Runtime 6 e ASP.NET Core Runtime 6 est\u00e3o dispon\u00edveis para Linux, macOS e Windows. O .NET Desktop Runtime 6 \u00e9 fornecido apenas para Windows. Os artefatos associados ao projeto s\u00e3o distribu\u00eddos sob a licen\u00e7a MIT.    <\/p>\n<p>.NET 6 inclui o runtime CoreCLR com o compilador JIT RyuJIT, bibliotecas padr\u00e3o, bibliotecas CoreFX, WPF, Windows Forms, WinUI, Entity Framework, a interface de linha de comando dotnet, al\u00e9m de ferramentas para o desenvolvimento de microservi\u00e7os, bibliotecas, aplica\u00e7\u00f5es server-side, gr\u00e1ficas e de console. Foi publicado separadamente o stack para desenvolvimento de aplica\u00e7\u00f5es web ASP.NET Core 6.0 e a camada ORM Entity Framework Core 6.0 (drivers, incluindo para SQLite e PostgreSQL), assim como os lan\u00e7amentos das linguagens C# 10 e F# 6. O suporte ao .NET 6.0 e C# 10 foi adicionado ao editor de c\u00f3digo gratuito Visual Studio Code.          <\/p>\n<p>Caracter\u00edsticas do novo lan\u00e7amento:  <\/p>\n<ul>\n<li class=\"l\"> O desempenho foi significativamente melhorado, incluindo otimiza\u00e7\u00f5es na entrada\/sa\u00edda de arquivos.\n<li class=\"l\"> No C# 10 implementou suporte para estruturas na forma de registros (record struct), a diretiva &#171;global using&#187;, espa\u00e7os de nomes vinculados a arquivos e novas capacidades para express\u00f5es lambda. O compilador agora suporta a gera\u00e7\u00e3o incremental de c\u00f3digo-fonte.\n<li class=\"l\"> Na linguagem F# 6, foi adicionado suporte ao mecanismo de execu\u00e7\u00e3o ass\u00edncrona de tarefas async e \u00e0 depura\u00e7\u00e3o em pipeline.\n<li class=\"l\"> A fun\u00e7\u00e3o Hot Reload est\u00e1 dispon\u00edvel, que fornece ferramentas para edi\u00e7\u00e3o do c\u00f3digo em tempo real durante a execu\u00e7\u00e3o do programa, permitindo fazer altera\u00e7\u00f5es sem parar manualmente a execu\u00e7\u00e3o e sem precisar de pontos de interrup\u00e7\u00e3o. O desenvolvedor pode iniciar o aplicativo sob `dotnet watch`, ap\u00f3s o qual as altera\u00e7\u00f5es no c\u00f3digo s\u00e3o aplicadas automaticamente ao aplicativo em execu\u00e7\u00e3o, permitindo observar imediatamente o resultado.\n<li class=\"l\"> Uma nova ferramenta chamada &#171;dotnet monitor&#187; foi adicionada para acessar informa\u00e7\u00f5es de diagn\u00f3stico do processo dotnet.\n<li class=\"l\"> Foi proposta um novo sistema de otimiza\u00e7\u00e3o din\u00e2mica baseado nos resultados da perfura\u00e7\u00e3o de c\u00f3digo (PGO \u2014 Profile-guided optimization), permitindo gerar um c\u00f3digo mais otimizado com base na an\u00e1lise das caracter\u00edsticas de execu\u00e7\u00e3o. O uso do PGO aumentou o desempenho do conjunto TechEmpower JSON &#171;MVC&#187; em 26%.\n<li class=\"l\"> No ASP.NET Core, o HttpClient e o gRPC foram adicionados com suporte ao protocolo HTTP\/3.\n<li class=\"l\"> A API relacionada ao formato JSON foi expandida. Um novo gerador de c\u00f3digo System.Text.Json e um sistema de serializa\u00e7\u00e3o de dados no formato JSON foram adicionados.\n<li class=\"l\"> No Blazor, a plataforma para cria\u00e7\u00e3o de aplicativos web em C#, foi adicionado suporte para renderiza\u00e7\u00e3o de componentes Razor a partir do JavaScript e integra\u00e7\u00e3o com aplicativos JavaScript existentes.\n<li class=\"l\"> Adicionada a capacidade de compilar c\u00f3digo .NET em uma representa\u00e7\u00e3o no WebAssembly.\n<li class=\"l\"> Na API File IO, foi adicionado suporte a links simb\u00f3licos. O FileStream foi completamente reescrito.\n<li class=\"l\"> Foi adicionado suporte para a biblioteca OpenSSL 3 e algoritmos criptogr\u00e1ficos ChaCha20\/Poly1305.\n<li class=\"l\"> No Runtime, foram implementados mecanismos de prote\u00e7\u00e3o W^X (Write XOR Execute, proibindo o acesso simult\u00e2neo para grava\u00e7\u00e3o e execu\u00e7\u00e3o) e CET (Tecnologia de Refor\u00e7o de Controle de Fluxo, prote\u00e7\u00e3o contra a execu\u00e7\u00e3o de exploits constru\u00eddos a partir de t\u00e9cnicas de programa\u00e7\u00e3o orientada a retorno).\n<li class=\"l\"> Adicionado suporte experimental para iOS e Android como plataformas TFM (Target Framework Moniker).\n<li class=\"l\"> Significativas melhorias no suporte a sistemas Arm64. Adicionado suporte a dispositivos Apple baseados no chip ARM M1 (Apple Silicon).\n<li class=\"l\"> Processo de constru\u00e7\u00e3o do .NET SDK a partir de c\u00f3digos-fonte garantido, facilitando a cria\u00e7\u00e3o de pacotes com .NET para distribui\u00e7\u00f5es Linux.\n<ul>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56124\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Microsoft \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043d\u043e\u0432\u044b\u0439 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b .NET 6, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u043e\u0439 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