//As a product manager, I want to know how fluctuations in user & programmatic activity corresponded to our releases to WS Export, so I can better understand our impact over time.//
**Relevant documents:**
* [[ https://phabricator.wikimedia.org/T256018 | old data ]]
* [[ https://phabricator.wikimedia.org/T274013 | new data ]]
**Acceptance Criteria:**
* Provide timeline, chart, or list that maps two tracks:
** #1: times of dramatic changes found in WS Export activity since project launch (i.e., when first code changes released)
** #2: times of code changes released (and please specify what changes were made in each release)
**Notable Changes**
- Blocking bots (July 21 / Oct 14 2020, and Jan 18 / March 29, 2021)
- Symfony migration (Nov 16, 2020)
- Moving to Parsoid API (Dec 15, 2020)
- Move download links from gadgets to Wikisource Ext (Jan 12-143, 2021)
- Download Button (Jan 26-28, 2021Feb 16)
- Replace Electron PDF with WS-Export (Feb 2-416)
- Caching http requests (Feb 17)
- Remove phetools dependency (Mar 11)