Release Notes Window & Add ShowMsgWithButton API Function

[Jack251970]

Add release notes window

• When Flow is updated, Flow will show message box with a button which can help you open release notes window.
• In about page, we can open release window manually.
• It will fetch three latest release notes and show them in the window.
• If Flow failed to fetch release notes, it will pop up refresh button and error message.

Test

[Jack251970]

Automatically opening a window after an update can often feel inconvenient for users. This approach is only truly useful when the update is optional and the user is given the choice to proceed. However, since our updates are applied automatically, there's little benefit in showing a separate window.

Instead, I believe the following approach would be more appropriate:

1. In-app popup within the settings page
   If we really want to show something, it can appear as a notification or popup when the user opens the settings page.
2. Notification banner at the top of the main page after an update (Recommended)
   For example: “The app has been updated. Click here to view the release notes.”
   → Clicking the banner(infobar with button) can either open a webpage or show a popup with the release notes.
3. Add an “Update Info” item at the top of the tray menu after an update
   This menu item disappears after being clicked once.

Personally, I think option 2 strikes the best balance. It informs the user without being disruptive.

Additionally, if we’re fetching release notes from GitHub, we should consider that some users might be in regions where GitHub access is restricted. If we only show a "Refresh" button, users may simply respond with “Why isn’t it working?” → So we should include a clear message like “Please check your network connection or ensure GitHub is accessible.”

Added release notes fetch error message as required.

And I implemented a new api method which can show a message box with a button. And Flow will show it when it has been updated.

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Flow.Launcher.Infrastructure/Http/Http.cs

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Flow.Launcher.Infrastructure/UserSettings/Settings.cs

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Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs

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Flow.Launcher/App.xaml.cs

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Flow.Launcher/Flow.Launcher.csproj

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Flow.Launcher/Languages/en.xaml

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Flow.Launcher/MainWindow.xaml.cs

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Flow.Launcher/Msg.xaml

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Flow.Launcher/Notification.cs

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Flow.Launcher/PublicAPIInstance.cs

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Flow.Launcher/Resources/CustomControlTemplate.xaml

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Flow.Launcher/SettingPages/ViewModels/SettingsPaneAboutViewModel.cs

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Flow.Launcher/SettingPages/Views/SettingsPaneAbout.xaml

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[Copilot]

Pull Request Overview

This pull request introduces a Release Notes window that displays the latest release notes when Flow is updated or manually triggered from the about page. Key changes include:

• Replacing the hyperlink with a button in the About settings pane to open the release notes.
• Adding a new ReleaseNotesWindow along with its logic to fetch and render release notes using MdXaml.
• Enhancing the notification system and public API to support error messages with actionable buttons.

Reviewed Changes

Copilot reviewed 17 out of 17 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
Flow.Launcher/SettingPages/Views/SettingsPaneAbout.xaml	Updated release notes trigger from HyperLink to a Button binding
Flow.Launcher/SettingPages/ViewModels/SettingsPaneAboutViewModel.cs	Added the command to open the release notes window
Flow.Launcher/Resources/CustomControlTemplate.xaml	Added new resources and styles for rendering release notes in a markdown view
Flow.Launcher/ReleaseNotesWindow.xaml.cs	Implemented the window for displaying release notes and handling refresh
Flow.Launcher/PublicAPIInstance.cs	Extended public API with methods supporting error messages with buttons
Flow.Launcher/Notification.cs	Updated notification handling to support actionable notifications via Toast
Flow.Launcher/MainWindow.xaml.cs	Added logic to display the release notes window based on version updates
Other files (MsgWithButton, Msg, Languages, Settings, Http, csproj, etc.)	Integration and supporting changes for the new release notes feature

Comments suppressed due to low confidence (1)

Flow.Launcher/Notification.cs:110

• Consider renaming the local variable 'Icon' to 'icon' to conform to standard camelCase naming conventions.

var Icon = !File.Exists(iconPath) ? Path.Combine(Constant.ProgramDirectory, "Images\app.png") : iconPath;

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