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CHANGELOG.md

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[0.2.1] - 03/05/2026

Added

  • Documentation links inside the plugin configuration modal
  • Initial implementation of a visual expression editor (foundation for future condition builder)
  • Ability to load Logstash plugin documentation directly within LogstashUI
  • Label showing the slowest plugin during pipeline simulation
  • Icons for filter plugins in the pipeline editor
  • Search bar and pagination for Connection Manager
  • pipeline_list.js for improved pipeline UI behavior

Changed

  • Tuned Logstash performance and stability
  • Reduced the number of generated Ruby scripts created during pipeline editing
  • Updated Logstash API polling behavior to be less aggressive
  • Updated eviction algorithm to reduce unnecessary cache churn
  • Simulation overlay now dims the interface while results are loading to prevent interaction

Fixed

  • Eliminated or significantly mitigated a Logstash memory leak caused by cached Ruby plugins
  • Added a shared connection pool to prevent opening a new Logstash API connection for every request
  • Removed temporary pipeline file writes during simulation
  • Fixed missing return statement that caused unexpected behavior
  • Simulation timeline now ignores comments
  • Updated tests to reflect LogstashAgent pipeline status behavior changes

[0.2.0] - 03/02/2026

Added

  • Toggle button for simulation that turns on/off simulation metadata
  • Simulate now shows time in ms of plugin and entire execution
  • Visual indicator of parsing failure / tag on failure in simulate
  • Popular plugins float to the top of the plugin selector page
  • Added fs_path type
  • Added file upload for simulate when a pipeline requires it
  • Comments are now supported
  • Pipelines are now tested every time plugins are added/changed/removed
  • Warning badge (!) appears on plugins with missing required fields
  • Copy button in simulation result tooltips to copy JSON data to clipboard
  • SNMP discovery workflows (tested end-to-end: discovery → device → scheduled monitoring)
  • Initial implementation of the pipeline text editor
  • Autocomplete, improved bracket matching, and syntax highlighting in the text editor
  • Visual indicators when conditions are empty
  • Save button is blocked when required fields or conditions are invalid
  • SNMP test coverage improvements
  • SDK-like script for interacting with the Logstash API (replaces older log analyzer)
  • “Memory intensive” plugin flag with visual indicator
  • key_list_hash type to ensure consistent grok match ordering
  • Additional SNMP profiles (new + tuned existing)
  • Added traps file (and related .gitignore updates)
  • Favicon

Changed

  • Colorized the "after" JSON output for clearer visibility into changes
  • Overhauled plugin configuration modal for improved usability
  • View Full Event and Original Event in simulate are now more clearly clickable
  • Default condition is now if [message]
  • Migrated to Gunicorn (removed runserver + eliminated unnecessary logstashagent port)
  • Updated Docker Compose configuration for 0.2.0
  • Updated Nginx configuration to resolve Docker Compose issues
  • Refreshed collectstatic workflow and removed tracking of staticfiles
  • Moved pipeline renaming functionality to common module for reuse
  • Adjusted Logstash configuration to optimize performance
  • Simulation API endpoints now route through ConnectionManager
  • Hardened and cleaned up ConnectionManager (including model updates and removal of SSH references)
  • Monitoring overhaul with additional tests and refreshed static assets
  • Error page overhaul and removal of public CDN calls
  • Standardized on a single visualization engine
  • Removed legacy Core/API layer and distributed functionality into appropriate apps
  • Refactored Ruby code injection to standardize quoting and reduce escaping issues
  • Cleaned up legacy JavaScript and consolidated shared utilities into base.js

Fixed

  • Drops no longer time out in the simulation feature
  • Chevron icon when expanding advanced options in pipeline settings
  • Null list values no longer insert the string "null" into configs
  • Simulation no longer hangs when events don't match conditions (proper message shown)
  • Logs no longer appear in the wrong pipeline slot
  • Fixed bug when adding Elastic connections via URL after moving away from HTML-returning views
  • Fixed regression with hovering over edges in the UI
  • Fixed JavaScript bug using json.dumps instead of JSON.stringify
  • Inline comments inside plugins no longer break parsing (inline comments are stripped to preserve round-trip stability)
  • Fixed pipeline hashing issues affecting configuration load progress
  • Fixed SNMP timeout/retry settings not being applied to generated configs
  • Fixed profile caching confusion when pipelines were updated
  • Fixed interface hover UI positioning
  • Fixed incorrect pipeline count in commit toast
  • Fixed bug caused by renaming SNMP data streams
  • Simulation now detects success faster and gives pipelines sufficient time to complete
  • Fixed race condition when simulating file-dependent plugins
  • Fixed simulation file-path handling (user file paths are no longer modified)
  • Updated bug report links to correct targets

[0.1.11-12] - 02/12/2026

Added

  • Instrumented pipeline simulation
  • LogstashAgent
  • Containerized Logstash

[0.1.10] - 02/12/2026

Added

  • Tests for all APIs
  • User tracking for all CRUD operations
  • Logging for all APIs
  • CHANGELOG.md!
  • Log viewer / exporter
  • Clone pipeline functionality
  • Added a readonly user and verification for all create/read/delete operations
  • Added a cookie session age so that users aren't permanently logged in

Changed

  • Removed commented out function for simulating pipelines, will implement later
  • Updated license dates
  • Made the showToast function in javascript global and removed duplicated references to it in templates
  • Removed CSRF_EXEMPT library because we're not using it anymore

Fixed

  • Missing grok-patterns file, preventing autocomplete in grok debugger from working
  • Fixed user CRUD tests to work with new changes