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SkiaSharp v4 Migration Instructions

Prepared: July 1, 2026

This guide summarizes the practical migration work for moving a project from SkiaSharp 3.x to the SkiaSharp 4.x line. It is based on the official SkiaSharp release notes, API diff, GitHub release notes, and related pull request notes.

Version Scope

• Stable target: SkiaSharp 4.148.0, the first stable v4 release.
• Preview rollup: SkiaSharp 4.147.0 was preview-only and rolled into 4.148.0.

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<#
.SYNOPSIS
    Sets the profile picture for a Microsoft Edge profile.

.DESCRIPTION
    This script replaces the profile picture (Edge Profile Picture.png) for a chosen
    Edge profile, including resizing the image to 424x424 px and updating the
    Local State JSON so Edge renders the new picture.

    The script:

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name	gh-release
description	Create a GitHub release for a given tag by gathering commits and PRs since the previous release and organizing them into a structured release notes template.
disable-model-invocation	true
argument-hint	<tag>
allowed-tools	Bash(git *), Bash(gh *)

Create a GitHub release for tag $ARGUMENTS.

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Pop!_OS 22.04 → 24.04 Upgrade Troubleshooting

Summary

This documents two issues encountered when upgrading Pop!_OS from 22.04 (Jammy) to 24.04 (Noble) using pop-upgrade, and how they were resolved.

---

Issue 1: Upgrade aborted due to VS Code repository checksum mismatch

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Fixing APT GPG Key Errors on Ubuntu / Pop!_OS

A practical guide to resolve NO_PUBKEY and EXPKEYSIG errors from Microsoft and Spotify repositories, and fix .NET package conflicts on Ubuntu 22.04 / Pop!_OS.

---

The Problem

After running sudo apt update, you may see errors like:

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<#
.SYNOPSIS
    Converts a Microsoft Edge Work/School profile to a Personal profile.

.DESCRIPTION
    This script converts an Edge profile that was created as a Work/School profile
    (requiring Azure AD/Entra ID corporate accounts) to a Personal profile that
    accepts personal Microsoft accounts (MSA).

    The script:

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internal class MyMiddleware : IFunctionsWorkerMiddleware
{
    public async Task Invoke(FunctionContext context, FunctionExecutionDelegate next)
    {
        var triggerType = context.FunctionDefinition.InputBindings.Values.First(a => a.Type.EndsWith("Trigger")).Type;

        var logger = context.GetLogger<MyMiddleware>();
        logger.LogInformation($"TriggerType: {triggerType}");

        await next(context);

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openapi: 3.0.0 #Ref: https://github.com/belgif/openapi-problem/blob/6d8c8839130a3e7dd459ad08989b8bec1bae982a/src/main/openapi/problem/v1/problem-v1.yaml
info:
  title: problem types
  version: "${project.version}"
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0.html
servers: []
paths: {}
components:

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//First we define the security scheme
c.AddSecurityDefinition("Bearer", //Name the security scheme
    new OpenApiSecurityScheme{
    Description = "JWT Authorization header using the Bearer scheme.",
    Type = SecuritySchemeType.Http, //We set the scheme type to http since we're using bearer authentication
    Scheme = "bearer" //The name of the HTTP Authorization scheme to be used in the Authorization header. In this case "bearer".
});

c.AddSecurityRequirement(new OpenApiSecurityRequirement{ 
    {

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using DotNet.Testcontainers.Builders;
using DotNet.Testcontainers.Configurations;
using DotNet.Testcontainers.Containers;
using Microsoft.EntityFrameworkCore;
using Testcontainers.MsSql;
using Xunit;

namespace Tests;

public abstract class MsSqlTestBase : IAsyncLifetime