关于架构预览
在预览期间，我们可以根据开发者的反馈更改某些功能。 如果我们要执行变更，将在开发者博客上宣布消息，不会事先通知。
要访问架构预览，需要在 Accept 标头中为您的请求提供自定义媒体类型。 每个预览的功能文档可指定要提供的自定义媒体类型。
注：目前无法通过 Explorer 访问预览下的 GraphQL 架构成员。
Deployments preview
This preview adds support for deployments mutations and new deployments features.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.flash-preview+json
预览的架构成员：
-
DeploymentStatus.environment -
Mutation.createDeploymentStatus -
Mutation.createDeployment
Draft pull requests preview
This preview adds support for draft pull requests.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.shadow-cat-preview+json
预览的架构成员：
-
Mutation.markPullRequestReadyForReview -
CreatePullRequestInput.draft -
PullRequest.isDraft
Checks preview
This preview adds support for reading checks created by GitHub Apps.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.antiope-preview+json
预览的架构成员：
-
CheckAnnotationRange -
CheckAnnotationPosition -
CheckAnnotationSpan -
CheckAnnotation -
CheckAnnotationConnection.nodes -
CheckAnnotationData -
CheckAnnotationEdge.node -
CheckAnnotationLevel -
CheckConclusionState -
CheckStatusState -
CheckSuiteAutoTriggerPreference -
CheckRun -
CheckRunConnection.nodes -
CheckRunEdge.node -
CheckRunAction -
CheckRunFilter -
CheckRunOutput -
CheckRunOutputImage -
CheckRunType -
CheckSuite -
CheckSuiteConnection.nodes -
CheckSuiteEdge.node -
CheckSuiteFilter -
Commit.checkSuites -
Mutation.createCheckRun -
Mutation.createCheckSuite -
Mutation.rerequestCheckSuite -
Mutation.updateCheckRun -
Mutation.updateCheckSuitePreferences -
Push -
RequestableCheckStatusState -
UpdateCheckSuitePayload.checkSuite
Merge info preview
This preview adds support for accessing fields that provide more detailed information about a pull request's merge state.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.merge-info-preview+json
预览的架构成员：
-
PullRequest.canBeRebased -
PullRequest.mergeStateStatus
Repository vulnerability alerts preview
This preview adds support for viewing vulnerability alerts for a repository.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.vixen-preview+json
预览的架构成员：
-
RepositoryVulnerabilityAlert -
Repository.vulnerabilityAlerts -
RepositoryVulnerabilityAlertConnection -
RepositoryVulnerabilityAlertEdge
Temporary cloning token for private repositories preview
This preview adds support for accessing a temporary token field for cloning private repositories.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.daredevil-preview+json
预览的架构成员：
Repository.tempCloneToken
Project event details preview
This preview adds project, project card, and project column details to project-related issue events.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.starfox-preview+json
预览的架构成员：
-
AddedToProjectEvent.project -
AddedToProjectEvent.projectCard -
AddedToProjectEvent.projectColumnName -
ConvertedNoteToIssueEvent.project -
ConvertedNoteToIssueEvent.projectCard -
ConvertedNoteToIssueEvent.projectColumnName -
MovedColumnsInProjectEvent.project -
MovedColumnsInProjectEvent.projectCard -
MovedColumnsInProjectEvent.projectColumnName -
MovedColumnsInProjectEvent.previousProjectColumnName -
RemovedFromProjectEvent.project -
RemovedFromProjectEvent.projectColumnName
Minimize comments preview
This preview adds support for minimizing comments on issues, pull requests, commits, and gists.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.queen-beryl-preview+json
预览的架构成员：
-
Mutation.minimizeComment -
Mutation.unminimizeComment -
Minimizable
Create content attachments preview
This preview adds support for creating content attachments.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.corsair-preview+json
预览的架构成员：
Mutation.createContentAttachment
Pinned issues preview
This preview adds support for pinned issues.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.elektra-preview+json
预览的架构成员：
-
Repository.pinnedIssues -
PinnedIssue -
PinnedIssueEdge -
PinnedIssueConnection -
Mutation.pinIssue -
Mutation.unpinIssue
Labels preview
This preview adds support for adding, updating, creating and deleting labels.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.bane-preview+json
预览的架构成员：
-
Mutation.createLabel -
Mutation.deleteLabel -
Mutation.updateLabel
Import project preview
This preview adds support for importing projects.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.slothette-preview+json
预览的架构成员：
Mutation.importProject
Multi line comments preview
This preview adds support for blob-positioned and multi-line comments.
要切换此预览并访问以下架构成员，必须在 Accept 标头中提供自定义媒体类型：
application/vnd.github.comfort-fade-preview+json
预览的架构成员：
-
Mutation.addPullRequestReviewThread -
AddPullRequestReviewInput.threads -
DiffSide -
PullRequestReviewThread.startLine -
PullRequestReviewThread.originalStartLine -
PullRequestReviewThread.startDiffSide -
PullRequestReviewThread.line -
PullRequestReviewThread.originalLine -
PullRequestReviewThread.diffSide