[Changelog](/changelog) August 31, 2026

# Google Tag Manager containers, saved from your traffic

Trackingplan now keeps every published version of your GTM container, read from the traffic of your site. The agent reads tags, triggers, variables and what changed in each release.

Released August 31, 2026 · 1 min read

![](/images/changelog-google-tag-manager-containers-saved-from-your-traffic.webp)

Trackingplan now saves the published versions of your Google Tag Manager container, continuously, from the traffic of your site itself. No GTM access to grant, no export to upload.

The agent can read the tags, the triggers, the variables and what changed in each publication, and use that when it explains a warning or answers a question about a release.

**Who it is for:** teams whose tracking lives in GTM and who want "what changed in release v92?" to be a question, not an archaeology session.

**Where:** the container appears under your plan once the first hits of a published version arrive. The agent uses it on its own; see also [Ask for the cause of a warning](/changelog/ask-for-the-cause-of-a-warning).

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Read next

[All releases →](/changelog)

-   [
    
    NewerNewerSep 1, 2026
    
    ### Ask for the cause of a warning
    
    You can now ask the agent to attribute a warning to one of two causes: a change in the tag manager, or a change in the code of the site.
    
    ](/changelog/ask-for-the-cause-of-a-warning)
-   [
    
    OlderOlderAug 27, 2026
    
    ### Answers take your warnings into account
    
    If a figure in an answer is computed on an event, a property or an entity that had a warning in that period, and that warning changes the number, the answer says so. A revenue total built on a purchase event that lost its value for two days is not presented as a clean total.
    
    ](/changelog/answers-take-your-warnings-into-account)

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