This page provides information about the usage of the JS Callback Handler project, including summaries across all versions and details for each release. For each week beginning on the given date the figures show the number of sites that reported they are using a given version of the project.

JS Callback Handler project page
Usage statistics for all projects

Show legacy data
Week starting 8.x-3.x Total
June 24th, 2018 3 3
September 10th, 2017 1 1
August 27th, 2017 2 2
August 20th, 2017 2 2

Recent release usage

Release June 14th, 2026 June 7th, 2026 May 31st, 2026 May 24th, 2026 May 17th, 2026 May 10th, 2026
6.x-1.3 5 5 6 4 4 5
7.x-1.0 40 37 37 36 37 42
7.x-2.x-dev 9 9 9 9 9 9
7.x-2.0-beta1 2 2 2 2 2 2
7.x-2.1 2 2 2 2 2 2
7.x-2.2 12 12 14 15 13 13
7.x-2.3 1 1 1 1 1 1
7.x-2.4 50 47 51 51 49 53
7.x-2.5 192 191 195 195 196 195

Only Drupal websites using the Update Status module are included in the data. Read more information about how these statistics are calculated.