0.3.0

0.3.0 - 2026-09-26

Features

• Open span details from the span tree
• Mark span kinds with coloured dots
• Make span tree rows easier to scan
• Size the span name column to its names
• Show span errors in span details
• Copy a span id from span details
• Show or hide all span details at once
• Drop the counts the overlay tabs repeat
• Drop Content-Type from the Request section
• Count spans and logs in the trace stat line
• Show query row counts as neutral chips
• Add the error-page switch
• Render a Peekaboot error page
• Serve the error page in place of whitelabel
• Put the toolbar on error pages
• Add an error-page override switch
• Beat a ControllerAdvice's own error page
• Resolve the stack-trace exclusion list
• Decide which stack-trace frames fold away
• Add the stack-trace folding properties
• Fold framework frames on the error page
• Reveal the full trace on the error page
• Capture the stack trace of a logged error
• Show a logged error's trace, folded
• Classify async tasks as their own action
• Observe tasks handed to task executors
• Register the async task decorator
• Track async subtrees in the trace bundle
• Keep async work out of a trace's duration
• Keep async spans out of the span summary
• Map a trace subtree as its own tree
• List async subtrees as their own rows
• Link, distinguish and open async rows
• Fold async work out of a trace's timeline
• Remove a trace from Slow when it is not slow
• Give an async row its own logs and status
• Single-space the error page stack trace

Bug fixes

• security: Tolerate other filter registrations
• Show span tag keys in full
• Group every count in the reader's locale
• Render buttons in the UI font
• Keep the jump highlight on a hovered row
• Move the testing app off isbn-scanner's port
• Capture a failed request as a server error
• Stop the dependabot merge waiting on itself
• stack-trace: Classify suppressed frames
• stack-trace: Merge adjacent application runs
• error-page: Ask FoldedTrace what to reveal

Dependency upgrades

• deps-dev: Bump org.apache.maven.plugins:maven-deploy-plugin
• deps-dev: Bump org.apache.maven.plugins:maven-install-plugin
• deps-dev: Bump org.codehaus.mojo:exec-maven-plugin
• deps: Bump com.microsoft.playwright:playwright
• deps: Bump net.ttddyy.observation:datasource-micrometer-opentelemetry
• deps: Bump net.ttddyy.observation:datasource-micrometer-spring-boot
• deps: Use jdbc-url-parser 0.1.2

Reverts

• Failed 0.3.0 release preparation

Documentation

• Correct when preparationGoals run
• Describe the error page and its toolbar
• Describe stack-trace folding
• Fix ARCHITECTURE's frame-detection notes
• Describe how the Dependabot merge waits
• List the frontend linters among the gates
• Describe async task instrumentation
• Add the beta notice and name to the README
• Take over internals cut from the user docs
• Refresh the README dashboard screenshot

Internal changes

• One stylesheet inliner for both surfaces
• Drop four unused catch bindings
• Replace the deprecated word-break value
• Drop a dead parameter from the trace header
• Declare the dashboard's buttons explicitly
• Delete three members nothing calls

Tests

• Lose the script without expiring the route
• Cover the error page and its bar over HTTP
• Pin the error detail settings invariant
• Pin the reveal control's toggle-back path
• Capture the error page and an async trace

Build, CI and chores

• Merge main back to dev by pushing
• Commit the changelog with the release version
• Put a space in the release tag message
• Ignore session notes and key exports
• Keep the local ignores out of the repo
• Rebase dependabot auto-merges
• Release from dev, fast-forward main
• Publish the site with the release
• Wait for the build instead of auto-merge
• Pass GH_REPO to the Dependabot merge
• Lint the frontend's JS, CSS and HTML
• Publish branch snapshots to Maven Central
• Take the snapshot version from a shared action
• Track the shared action by its major tag
• Drop the spotless ratchet
• Format the whole tree with spotless

Full changelog: 0.2.0...0.3.0