OPC Compliance error [M4.1]: there is more than one core properties relationship in the package ! POI will use only the first, but other software may reject this file.

OPC Compliance error [M4.1]: there is more than one core properties relationship in the package ! POI will use only the first, but other software may reject this file.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/upload-artifact@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

/home/runner/work/npoi/npoi/main/SS/Util/PropertyTemplate.cs(41,20): warning CS1584: XML comment has syntactically incorrect cref attribute 'NPOI.XSSF.Streaming.SXSSFWorkbook} Spreadsheets are not [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/POIFS/FileSystem/POIFSFileSystem.cs(66,30): warning CS0108: 'POIFSFileSystem.CreateNonClosingInputStream(Stream)' hides inherited member 'NPOIFSFileSystem.CreateNonClosingInputStream(Stream)'. Use the new keyword if hiding was intended. [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/POIFS/Crypt/Standard/StandardDecryptor.cs(225,20): warning CS0114: 'CipherInputStream.Read(byte[])' hides inherited member 'InputStream.Read(byte[])'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/POIFS/Crypt/Standard/StandardDecryptor.cs(262,21): warning CS0114: 'CipherInputStream.Skip(long)' hides inherited member 'InputStream.Skip(long)'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/POIFS/Crypt/Standard/StandardDecryptor.cs(305,21): warning CS0114: 'CipherInputStream.MarkSupported()' hides inherited member 'ByteArrayInputStream.MarkSupported()'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/HSSF/Record/DVRecord.cs(40,18): warning CS0659: 'DVRecord' overrides Object.Equals(object o) but does not override Object.GetHashCode() [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/SS/Formula/Eval/FunctionEval.cs(62,37): warning CS0628: 'FunctionEval.functions': new protected member declared in sealed type [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/SS/UserModel/Workbook.cs(447,14): warning CS0108: 'IWorkbook.Close()' hides inherited member 'ICloseable.Close()'. Use the new keyword if hiding was intended. [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/SS/Formula/Functions/FloorCeilingMathBase.cs(101,17): warning CS0162: Unreachable code detected [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/SS/Formula/Functions/FinanceFunction.cs(96,13): warning CS0162: Unreachable code detected [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]