Bump version to 3.0.0

DepotDownloader/DepotDownloader.csproj

@@ -4,10 +4,10 @@
     <TargetFramework>net9.0</TargetFramework>
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <RollForward>LatestMajor</RollForward>
-    <Version>2.7.3</Version>
+    <Version>3.0.0</Version>
     <Description>Steam Downloading Utility</Description>
     <Authors>SteamRE Team</Authors>
-    <Copyright>Copyright © SteamRE Team 2024</Copyright>
+    <Copyright>Copyright © SteamRE Team 2025</Copyright>
     <ApplicationIcon>..\Icon\DepotDownloader.ico</ApplicationIcon>
     <Deterministic>true</Deterministic>
     <TreatWarningsAsErrors Condition="'$(ContinuousIntegrationBuild)' == 'true'">true</TreatWarningsAsErrors>

README.md

@@ -101,3 +101,8 @@ Any connection to Steam will be closed if they share a LoginID. You can specify
 
 ### Why doesn't my password containing special characters work? Do I have to specify the password on the command line?
 If you pass the `-password` parameter with a password that contains special characters, you will need to escape the command appropriately for the shell you are using. You do not have to include the `-password` parameter on the command line as long as you include a `-username`. You will be prompted to enter your password interactively.
+
+### I am getting error 401 or no manifest code returned for old manifest ids
+Try logging in with a Steam account, this may happen when using anonymous account.
+
+Steam allows developers to block downloading old manifests, in which case no manifest code is returned even when parameters appear correct.