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Summary of Changes

Hello @AndraMeer, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces the monthly GeoNames diff report for January 2026. It updates the documentation to include a new release note entry for this report and adds the corresponding CSV file containing detailed geographical data changes. This ensures that users have access to the latest updates incorporated into the GeoIP and GeoLite databases, providing transparency on how geographical data evolves over time.

Highlights

  • New Release Note: A new release note entry has been added for the 'GeoNames monthly diff report January 2026' in the content/geoip/release-notes/2026.md file.
  • GeoNames Diff Report: The release note details the incorporation of GeoNames geographical data updates into GeoIP and GeoLite databases, specifically for January 2026. It highlights the fields covered in the diff report: geoname_id, country_name, country_code, city_name, subdivision_1_iso_code, and subdivision_2_iso_code.
  • New CSV File: A new CSV file, static/static/csv/GeoNames-Monthly-Diff-Report-January-2026.csv, has been added. This file contains the actual monthly diff report for January 2026, detailing changes in city names, geoname IDs, and subdivision codes across various countries.
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Code Review

This pull request adds a new release note for the January 2026 GeoNames monthly diff report and the associated CSV data file. My review, guided by the repository's documentation style guide, identified a few areas for improvement to ensure clarity and technical accuracy. Key findings include a broken link to the new CSV file, a mismatch between field names in the release note and the CSV file, and minor formatting issues like a missing period and missing final newlines in the new/modified files. Addressing these points will enhance the quality of the documentation for users.

{{</ release-note >}}

{{< release-note date="2026-01-14" title="GeoNames monthly diff report January 2026" >}}
[GeoNames monthly diff report (January 2026)](/csv-files/GeoNames-Monthly-Diff-Report-January-2026.csv)
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high

The link to the CSV file appears to be broken. The path /csv-files/... is incorrect. Based on the file's location at static/static/csv/..., the correct URL path in Hugo should be /static/csv/... to ensure the link works correctly for users.

Suggested change
[GeoNames monthly diff report (January 2026)](/csv-files/GeoNames-Monthly-Diff-Report-January-2026.csv)
[GeoNames monthly diff report (January 2026)](/static/csv/GeoNames-Monthly-Diff-Report-January-2026.csv)
References
  1. Verify links point to the correct documentation section. (link)

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this works and has been working since we started doing these :)

Comment on lines 60 to 61
- `subdivision_1_iso_code`
- `subdivision_2_iso_code`
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high

The field names subdivision_1_iso_code and subdivision_2_iso_code are listed, but the corresponding columns in the CSV file are old_subdivision_codes and new_subdivision_codes. To avoid confusion and maintain consistency, the documentation should accurately reflect the field names used in the data file.

Suggested change
- `subdivision_1_iso_code`
- `subdivision_2_iso_code`
- `subdivision_codes`
References
  1. Verify field descriptions match the field being documented (e.g., shipping field descriptions shouldn't reference billing). (link)

Note that the values for the `old_` and `new_` columns for a given field only
differ for the field defined in the `diff_in` column.

{{</ release-note >}}
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medium

The file is missing a newline character at the end. It is a best practice to end files with a newline for POSIX compatibility and to prevent potential issues with file processing tools.

References
  1. Remove trailing whitespace from lines. (link)

geoname_id,1149698,1151416,Phetchaburi,Phetchaburi,Thailand,Thailand,TH,TH,76,76
geoname_id,2638488,12262593,Saunderton,Saunderton,United Kingdom,United Kingdom,GB,GB,"ENG, BKM","ENG, BKM"
geoname_id,13274969,13280479,Pentre,Pentre,United Kingdom,United Kingdom,GB,GB,"WLS, FLN","WLS, FLN"
subdivision_codes,2659568,2659568,Moutier,Moutier,Switzerland,Switzerland,CH,CH,BE,JU No newline at end of file
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medium

This file is missing a newline character at the end. It is a best practice to end files with a newline for POSIX compatibility and to prevent potential issues with file processing tools.

@AndraMeer AndraMeer marked this pull request as ready for review January 14, 2026 01:05
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lgtm

@AndraMeer AndraMeer merged commit 50e6c30 into main Jan 14, 2026
15 checks passed
@AndraMeer AndraMeer deleted the andram/diff-report-jan-2026 branch January 14, 2026 21:59
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3 participants