github.com/qax-os/excelize

This v1.4.1 release from 2019 is severely outdated and should not be used for new projects. The API is functional for basic Excel operations like reading cells, writing data, and applying simple formatting, but you'll quickly hit limitations. Error messages are often vague (just returning generic errors without context), making debugging frustrating when something goes wrong with file parsing or cell references.

The documentation for this version is sparse and examples are minimal. Many common scenarios like handling merged cells, working with formulas, or dealing with different data types require trial-and-error. The library has moved to v2+ with breaking changes and active development, so any issues you encounter with v1.4.1 won't be addressed. Community support is essentially non-existent for this version since everyone has moved on.

If you're stuck on this version in a legacy project, expect to spend time debugging opaque errors and consulting the source code directly. For new projects, absolutely use excelize v2+ which has significantly better documentation, active maintenance, and improved APIs.

This v1.4.1 release from 2019 represents an obsolete version of Excelize that has significant API ergonomics issues. The function signatures are inconsistent - some operations return errors while similar ones don't, making it difficult to predict behavior. Method names like `SetCellValue` work with interface{} types that provide no compile-time safety, leading to runtime surprises when you pass unexpected types.

Error messages are often cryptic or missing entirely. When operations fail, you'll get generic errors like "invalid cell name" without context about what was actually invalid or how to fix it. The documentation for this version is sparse, with minimal examples beyond basic cell operations. There's no comprehensive guide for common workflows like styling, formulas, or data validation.

The most critical issue is that this version should not be used in new projects. The maintainers have released v2+ with breaking changes that significantly improve the API design, add proper context support, and fix many architectural issues. Migrating from v1 to v2 requires substantial refactoring since method signatures changed considerably.

This v1.4.1 package is severely outdated (last updated 2019) and has been superseded by excelize/v2. Using this version means missing years of bug fixes, API improvements, and security patches. The documentation exists but references are often incomplete, and error messages tend to be generic Go errors rather than helpful context about what went wrong with your spreadsheet operations.

The basic operations like reading cells and creating worksheets work, but you'll quickly hit limitations. Memory management for large files is poor, and there's no streaming API. When things go wrong, debugging is frustrating because errors like "invalid cell reference" don't tell you which cell or why it's invalid. The community has moved on to v2, so finding help for v1-specific issues on Stack Overflow or GitHub is nearly impossible.

If you're starting a new project, don't use this version. The migration path to v2 involves API changes that would have been easier to avoid from the start. The maintainers themselves recommend v2, which has much better documentation, performance, and active support.