Releasesby GlyphWeb Vitals Metrics Hub
Description: Visualize web vitals with our dedicated Web Vitals marketing hub. Enable Web Vitals on your browser SDK to start collecting data, and then visit our new Marketing Hub to be able to visualize and interact with the data. Why: Measure your site performance and understand your SEO better without the need for an extra 3rd party provider.
Also shipped Dec 18, 2025Amplitude in December 2025 →
Response Healing: Reduce JSON Defects by 80%+
Response Healing is a new feature that automatically corrects malformed JSON responses from LLMs before they reach the application.
WAF Release - 2025-12-18
This week's release focuses on improvements to existing detections to enhance coverage. Key Findings Existing rule enhancements have been deployed to improve detection resilience against broad classes of web attacks and strengthen behavioral coverage.
Process large-scale inference workloads asynchronously with the new Batch API and Files API
Process large-scale inference workloads asynchronously with the new Batch API and Files API. Submit up to 50,000 requests in a single batch job and get 50% cost savings. Learn more in our Batch guide.
December Release Spotlight
OpenRouter released updates including Response Healing for structured outputs, chatroom notifications, and long-context model rankings.
AI Crawl Control - New AI Crawl Control Overview tab
The Overview tab is now the default view in AI Crawl Control. The previous default view with controls for individual AI crawlers is available in the Crawlers tab. What's new Executive summary , Monitor total requests, volume change, most common status code, most popular path, and high-volume activity Operator grouping , Track crawlers by their operating...
More from AmplitudeEvery Amplitude release →
New Duration Estimator
Description: The new Duration Estimator transforms how you plan web and feature experiments. By automating the busywork and making trade-offs transparent, you can now confidently design tests with realistic timelines without leaving Amplitude or manually pulling historical data.
AI Controls + Org-Level AI Context
Description: We’ve added a new tab, AI Controls, in org settings that will be the new home for Amplitude AI configs, context management, and enterprise AI controls (in the future!). The first feature in AI Controls is an AI Context input which lets customers provide org-level context to Ask AI and Agents.
Capture Session Replays via the Chrome Extension
Description: You can now capture Session Replays directly from the Amplitude Chrome extension, no code changes required. By enabling Session Replay in Event Test Mode, you can instantly record and inspect real user experiences on any site that supports Session Replay. This is a powerful way to test run Session Replay without contacting a developer.
Streaming transformation (special property) improvements
Description: After reviewing 2025 customer tickets, the team identified a significant concentration of issues related to streaming transformation limitations around special properties. To improve customer experience and reduce support load, we prioritized a set of improvements and clarifications in Q4.
General destinations page and event streaming improvements
Description: We've leveraged our principle of customer centricity, and taken a look at recent customer tickets in the event streaming area. For each category of tickets we saw, we identified a couple of improvements to be made and, well, made them.
Improved SR querying - users can view all (or at least way more) of their replays
Description: This has to be one of the most impactful improvements that we will ever deliver for Session Replay customers. Without doing anything, customers are now able to view anywhere from 1.1-10000x more replays than they could before. Previously, to surface a replay, the session ID on the replay had to match at least one event's session ID.
Default Threshold for Session Replay List
A default threshold of 10 seconds has been implemented for the session replay list. This change is a significant quality of life improvement for organizations that collect very short replays. Who: Live for all organizations. Why: No one wants to see 0s or 1s replays.
SESSIONTOTALS now works in Event Segmentation
Description: You can now use SESSIONTOTALS(event) to count how many sessions include a given event or in a metric. Small update, big quality-of-life win. :tada: Why: Streamlines using sessions in the Events Segmentation chart. No longer need to switch charts to count sessions! Where: Event segmentation formulas.