chore: update changelog to 2.0.39

[mhduiy]

更新说明

自动更新 changelog 到版本 2.0.39

变更内容

• 更新 debian/changelog

版本信息

• 新版本: 2.0.39
• 目标分支: master

Summary by Sourcery

Documentation:

• Refresh Debian changelog documentation to reflect version 2.0.39.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Updates the Debian changelog to reflect release version 2.0.39 targeting master.

File-Level Changes

Change	Details	Files
Bump Debian package changelog entry to version 2.0.39.	Add or update the top changelog stanza to version 2.0.39 with the appropriate metadata (distribution, urgency, maintainer, and timestamp) as per Debian policy. Record high-level release notes under the new 2.0.39 entry to document the release in the Debian packaging metadata.	debian/changelog

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[github-actions]

TAG Bot

TAG: 2.0.39
EXISTED: no
DISTRIBUTION: unstable

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Ivy233, mhduiy

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• debian/deepin/OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[deepin-ci-robot]

deepin pr auto review

作为你的智能编程助手 CodeGeeX，我已经仔细审查了你提供的 Git Diff 输入。

本次提交是一个 Debian changelog 文件的更新，版本号从 2.0.38 升级到 2.0.39，主要记录了两个修复：

1. 修复了首次启动应用时卡顿几秒的问题。
2. 修复了在新的 treeland dde 会话中启动时启动板可能变空白的问题。

由于本次 Diff 仅包含打包/发布元数据（changelog）的变更，不涉及实际的代码逻辑，因此我无法直接对语法逻辑、代码性能和代码安全进行评估。但我将对当前的 changelog 格式规范进行审查，并针对你修复的两个问题，提供后续代码审查的建议方向。

1. Changelog 格式规范审查

当前的 changelog 符合 Debian changelog 的基本格式要求（如 debchange 或 dch 生成的格式），但有一个细节需要注意：

• 日期格式警告：你的日期是 Thu, 04 Jun 2026 20:07:12 +0800。虽然格式完全符合 Debian 规范（RFC 2822），但年份是 2026年。请确认这是否是笔误。如果是由于系统时间设置错误导致的，在打包时可能会引发警告或导致版本排序异常。

2. 针对修复内容的代码审查建议

由于 changelog 提到了两个具体的 Bug 修复，如果你正在审查或编写相关的 C++/QML 代码，请关注以下方面：

针对 "app hang a few seconds when launch app for the first time"（首次启动卡顿）

• 代码性能：
  • 同步 I/O 操作：检查是否在主线程（UI线程）中进行了磁盘读取、数据库查询或网络请求。首次启动往往需要加载配置文件或图标主题，这些必须异步处理。
  • 资源懒加载：审查是否在启动时初始化了所有不必要的模块。建议使用懒加载策略，等用户真正触发或 UI 渲染完毕后再加载。
  • 缓存机制：首次启动没有缓存，如果存在大量重复计算（如搜索索引构建、图标渲染），考虑在首次启动后生成缓存文件，后续启动直接读取。

针对 "launchpad might be blank when starting a new treeland dde session"（新会话启动白屏）

• 语法逻辑：

  • 异步状态竞争：在 Wayland/Treeland 环境下，窗口的创建和渲染时机与 X11 不同。白屏通常是因为 UI 组件在请求显示时，其背后的数据模型（如应用列表 Model）尚未就绪。检查是否存在 QML 绑定在 Model 为空时未能正确触发视图刷新的逻辑。
  • 生命周期管理：检查在新的会话启动时，是否依赖了某些尚未初始化的全局单例或 DBus 服务。如果是，需要增加等待机制或容错逻辑。

• 代码安全：

  • 空指针/未初始化引用：当数据源未就绪时，访问其属性极易导致崩溃或白屏。确保在访问指针或模型数据前进行有效性检查（如 QML 中的 undefined 检查，C++ 中的 nullptr 检查）。

总结

1. 当前 Diff：请检查 changelog 中的年份（2026）是否正确。
2. 后续动作：建议你将实际修复这两个 Bug 的代码 Diff（如 C++ 或 QML 文件的改动）一并提供，我将为你进行深度的语法逻辑、性能和安全性审查。

[Ivy233]

/forcemerge

[deepin-bot]

This pr force merged! (status: blocked)

[deepin-bot]

TAG Bot

✅ Tag created successfully

📋 Tag Details

• Tag Name: 2.0.39
• Tag SHA: b1d393a6aecce131a6123d38fdd44ae76f5a07d4
• Commit SHA: ad5dda380fd23b1facb882155b1eabbb67e383f7
• Tag Message:

  Release dde-launchpad 2.0.39
  
  

• Tagger:
  • Name: mhduiy
• Distribution: unstable