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Release Notes

To install the latest version of our package, run the following command:

python3 -m pip install \
    --force-reinstall \
    --extra-index-url https://release.zeloscloud.io/py/simple \
    'zeloscloud[all]'

To install a specific version of our package, run the following command:

python3 -m pip install \
    --force-reinstall \
    --extra-index-url https://release.zeloscloud.io/py/simple \
    'zeloscloud[all] == x.y.z'

Replace x.y.z with the versions below.

App 25.0.6 — April 14, 2025

Fixed

  • Export With No Signals: Fixed a bug that prevented exporting trace messages when no signals were present.
  • Export Error Handling: The export process will continue with remaining trace messages, rather than stop at the first error.

App 25.0.5 — April 12, 2025

Changed

  • Double-Clicking: On Plot panels, the first double-click will return to your initial pause point, and the second will resume live mode
  • Timeline Reset Button: When zoomed or panned on a plot, a reset icon will appear to return back to your initial view

Python 0.0.51 — April 12, 2025

Fixed

  • Zelos Trace Plugin: dropping some data points when recording
    • zeloscloud.pytest.trace plugin now handles messages with empty schemas
    • zeloscloud.pytest.trace plugin now performs best effort writing to the trace file (instead of early return on error)
    • See Zelos Trace Plugin for more information

App 25.0.4 — April 3, 2025

Fixed

  • Crash Reporting On Native Errors: Improved crash reporting to capture native process crashes.
  • Plotting Non-Numeric Signals: Fixed issue where plotting non-numeric signals resulted in no data displayed.
  • Signal Pane Flickering: The signal pane no longer flickers when not attached to a live connection or trace.
  • Log Spam With Expired Refresh Tokens: We no longer attempt to retry logins once the refresh token has expired.

App 25.0.2 — March 27, 2025

Fixed

  • Log spam resulting in full disk: Improved log filtering to decrease log disk utilization.

App 25.0.1 — March 26, 2025

Fixed

  • Exporting Data with NaN values: Resolved an issue where NaN values were not processed correctly when exporting data.

App 25.0.0 — March 25, 2025

Changed

  • Improved Table Panel: All new redesign and implementation for the table panel. Read more.
    • Easily filter, sort, and view multiple messages/signals in a tabular view
    • Built in column searching that works across messages, signal names and values
    • Quickly copy data to your clipboard as JSON
  • Default Data Retention: 8 hours is now the default data retention period.

Fixed

  • Memory Leak in Live Mode: The app should no longer cause an out-of-memory condition when running in live mode.
  • Auto-restart UI on Crash: The UI will automatically restart if it crashes (white screen).

Python 0.0.50 — March 25, 2025

Added

  • Zelos Trace Plugin: data streaming and recording
    • zeloscloud.pytest.trace plugin for streaming and recording *.trz trace files during test runs
    • User hooks for configuring the trace file name, location, and more
    • See Zelos Trace Plugin for more information
  • UDS: Additional functionality
    • Added support for Routine Control, IO Control, and File Transfer
    • See UDS Codec for more information
  • CanCodec: Config options
    • Added "suppress_errors" flag to suppress log messages
    • Added "emit_schema" flag to emit the CAN schema for all messages/signals on init
    • Note: This can be useful for users who want to know which messages/signals are available (but not actually sent)
    • See CanCodec for more information
  • gRPC Codec/Link:
    • Provides protocol-level handling for gRPC communication, all RPC types and streaming
    • See GrpcCodec for more information
  • Async IO: Add support for async throughout the entire zeloscloud core

Fixed

  • CanCodec: Error handling
    • Allow CAN messages with undefined multiplexer values
    • Suppress log messages during the trace emit stage (after decoding)

Changed

  • Link Imports: Improving dependency management
    • zeloscloud.links now encourages users to import links from the specific link module.
    • Warnings are emitted when using the legacy from zeloscloud.links import CanLink import.
    • Before: from zeloscloud.links import CanLink
    • After: from zeloscloud.links.can_link import CanLink

App 24.1.11 — December 2, 2024

Added

  • Timeline: An interactive timeline bar with finely tuned controls. Read more.
    • Drag left and right markers to adjust the start and end times of your time window
    • Click and drag the highlighted area to move the entire time window along the timeline range
    • New pulsating live data indicator shows when live data is being streamed
    • Play/Pause live data with a single click, and use Left/Right arrow buttons to navigate the time window
  • Timeline Shortcuts: Added shortcuts for controlling the timeline
    • Left/Right Arrow Keys: Move the time window left or right
    • Spacebar: Play or pause live data in live mode

Changed

  • Tooltips: Improved tooltip behavior for better usability and responsiveness
  • Station Configs: Renamed “Trace Config” to “Station Config” for improved clarity and consistency

Fixed

  • Tabs:
    • Enhanced light/dark mode support for tabs
    • Active tab is always visible in the tab bar
    • Fixed maximum character limit for tab names to prevent truncation

App 24.1.10 — November 21, 2024

Added

  • Tab Reordering: Tabs can now be dragged to reorder them
  • Tab Shortcuts: Added shortcuts (with associated macOS command variants)
    • ctrl-t new tab
    • ctrl-w close tab
    • ctrl-[1-9] switch to tab
    • ctrl-shift-[ previous tab
    • ctrl-shift-] next tab
    • alt-left-arrow previous tab
    • alt-right-arrow next tab

Python 0.0.49 — November 12, 2024

Fixed

  • zelos trace: Fixed AttributeError: 'Message' object has no attribute 'multiplexer_values' error

Python 0.0.48 — November 7, 2024

Added

Removed

  • zelos trace compact: Removed legacy trz folder compaction command

App 24.1.9 — November 6, 2024

Fixed

  • Time Axis Labels: Axis labels always indicate the full timestamp

App 24.1.8 — November 5, 2024

Added

  • Signal Value Decoding: Signals with enumerated values now display their string value in the UI
  • Value Panels: Shows the latest value of a signal on a panel
  • Plot Custom Colors: Added a color picker for choosing custom colors
  • Show Full Name in Panel Options: In the edit panel menu, added an option to display the full signal name

Python 0.0.47 — November 5, 2024

Added

  • Trace Values Tables: the zelos-trace command now sends enumerated value definitions to the app

Fixed

  • Trace Optimization: Decreased CPU utilization when recording a trace

App 24.1.7 — October 25, 2024

Added

  • Crash Log Telemetry: Added additional crash log reporting

App 24.1.6 — October 16, 2024

Fixed

  • Python Extension: The python package now installs successfully on macOS

App 24.1.5 — October 16, 2024

Added

  • Automatic Log File Cleanup: Log files will now be automatically deleted after 14 days (configurable in Settings > Advanced)

Fixed

  • Ubuntu Excessive Syslog Spam: Fixed logs going to syslog

Python 0.0.46 — October 10, 2024

Added

  • Linux AArch64 Support: Added pre-built wheels for manylinux2014 aarch64

Python 0.0.45 — October 8, 2024

Added

  • Station Config: Added support for _scope_ and _open_ tags for custom context management

Fixed

  • Trace Conversion on Windows: Resolved issues creating .trz files on Windows
  • Serial Echo: Correctly ignore echoed data when echo flag is set

App 24.1.3 — October 7, 2024

Fixed

  • TLS Root Store: Resolved issues with custom TLS root certificates

App 24.1.2 — October 7, 2024

Added

  • Improved Logging: Added additional logging for login and crash handlers

Fixed

  • Windows Compatibility: Switched to MSVC 2019 for increased compatibility

App 24.1.1 — October 2, 2024

Added

  • Data Retention: Added a control to the general settings to configure data retention. By default, we retain 24 hours of data in memory.
  • Table Panel: Added a table view that shows the last received values for each message.
  • Station Configuration Editor: A new UI enables editing the current station configuration via the Trace Capture controls selector.

Fixed

  • Faster UI Runtime: Switched UI runtimes to improve performance on Linux.
  • Account Login: Resolved a bug where sessions expired frequently.
  • Window Location Persistence: The app will now open to the last display it was open on.

Python 0.0.44 — October 2, 2024

Added

  • Trace Quiet Flag: Added a --quiet flag to the zelos-trace command.
  • Periphery Links: Added support for the Linux peripherals GPIO, I2C, MMIO, PWM, SPI.

Fixed

  • Trace Performance: Improved performance when running in --no-ws mode.
  • CanCodec float scaling: Log CAN signals with float scaling factors as floats.

App 24.0.0-alpha+29 — August 14, 2024

Added

  • SSO login: Login to the application using Github, Microsoft, or Google SSO. You'll automatically be added to your Org based on the email. Read more.
  • Layouts: Create, save, share, and apply layouts for all your visualization/debugging workflows. Login is required to use this feature. Read more.
  • Converters: Automatically convert from common CAN formats such as .asc, .trc, .log into Zelos traces. Only supported on MacOS & Linux.

Changes

  • Fix light mode text colors
  • Improve scrolling behavior across all platforms
  • Better support for .trz extensions on linux
  • Made search default to case-insensitive
  • General bug fixes, optimizations, and improvements!

Python 0.0.43 — August 14, 2024

Added

  • Links: Added new Zelos App tracing support for links

Changes

  • CAN Codec: Improve logging behavior for warning/errors

App 24.0.0-alpha+25 — July 26, 2024

  • Server: Bind to 0.0.0.0 rather than localhost to enable capturing data from WSL VMs.
  • Advanced Settings: Add settings for framerate, fetch interval, database memory usage, and database thread count.
  • Advanced Settings: Add "Clear All Data" button.
  • Installer: Add Apt repository for Ubuntu 22.04 Jammy (amd64).
  • Extensions: Use the native certificate store, enabling support for corporate HTTPS proxies.

Python 0.0.42 — July 19, 2024

Changes

  • CAN Codec: If allow_duplicates=True is passed to the CAN codec, don't fail for name collisions between signal/messages. Messages will take higher precedent, and the conflicting signal must be accessed by the message instance.

App (Alpha) — July 18, 2024

  • Alpha release of the all new Zelos App! For more details and an installation guide, you can see more here.

Python 0.0.41 — July 18, 2024

Added

  • BLE Codec: Codec support for BLE-enabled devices. Services, characteristics, fields and more with a custom schema for testing and visualizing data with messages/signals. Read more.
  • BLE Link: Client link support for BLE-enabled devices. Support for both async and non-async methods for connecting, read/write characteristics, notifications, and more. Read more.
  • Trace Plugin: Added new trace plugin that enables observability for all codecs with the new Zelos App.
  • Serial/Visa Schema: The serial schema used by SerialCodec and VisaCodec now support adding a "unit" field.
  • Check Plugin: The checker plugin now supports duration based checks. Check that a condition is true within a specific duration or that it was true for a specific duration.

Changes

  • Serial/Visa Codec: Serial/Visa signals that were part of a message must now be accessed directly from the message. Previously, you could do codec.message_signal.set(), and now you must do codec.message.signal.set().
  • Check Plugin: Checker ops parameters are now plumbed through to .that() using explicit args/kwargs params. See examples.
  • CAN Codec: Changed CAN decoding errors into warnings.
  • PPK2: Signals are now placed under a "measurements" grouping in Zelos plot.
  • Trace: Allow bitrate configuration support for the --can option in zelos-trace.
  • Core:
    • Removed IoBase class and consolidated into CodecBase.
    • Renamed Signaller to MessageBase and improved signal support.
  • Tons of bug fixes, optimizations, and logging improvements!

Plot — May 10th, 2024

Added

  • web/zplot: Added workspaces and workspace imports to the application.

Python 0.0.40 — May 9, 2024

Fixed

  • trace: Resolved memory leak when using the zelos-trace server

Python 0.0.39 — May 3, 2024

Added

  • cli/zelos: Added zelos test command
  • test/visa: add more default IEE 288.2 commands
  • trace: Automatically increase RLIMIT_NOFILE to prevent running out of file descriptors when recording or converting traces.
  • trace/mock: Add measurements message with additional mock data.

Changed

  • cli/zelos: Replaced zelos trace convert trc command with generic zelos trace convert can command.

Plot — April 30, 2024

Added

  • Dashboards and tabs
  • Grouped table data

Python 0.0.38 — April 11, 2024

Added

  • cli/zelos: Added zelos trace convert trc command

Python 0.0.37 — March 29, 2024

Added

  • test/ios: Added IO support for PowerProfileKit2 (PPK2), zplot io support, and examples/documentation.

Python 0.0.36 — March 29, 2024

Fixed

  • cli/zelos-uds: Fixes zelos-uds to work with UdsCodec interface changes
  • test/UdsCodec: Fixes default config parameter when no config is given

Python 0.0.35 — March 27, 2024

Added

  • test/UdsCodec: Added preliminary support for UDS DIDs in Zelos Plot and configurable periodics
  • telemetry: Log anonymous telemetry on exceptions with the zelos cli

Developer Notes

  • test/UdsCodec: Interface breaking changes. UdsCodec now accepts a consolidated dictionary config which should be populated with the existing parameters client_config and did_definitions. config["did_periodics"] is a new entry which can be used to configure periodic DID reads/writes (read period determines zplot update rate)

Python 0.0.34 — March 12, 2024

Fixed

  • cli/zelos-uds: Implemented pathlib.Path.home() for Windows compatibility.

Python 0.0.33 — March 12, 2024

Added

  • docs/CAN+Visa: Added documentation for CAN and Visa codec and links.

Fixed

  • cli/zelos-uds: Fixed UDS data payloads.

Python 0.0.32 — March 11, 2024

Added

  • test/plugins: Added preliminary support for a JIRA plugin.

Fixed

  • web/zplot: Fixed issue where cmdquery events weren't showing up.

Python 0.0.31 — March 9, 2024

Added

  • cli/zelos: Updated project template to include serial configuration.
  • cli/zelos: Added a new command to the CLI: zelos compact.
  • cli/zelos: Added alias -h for --help command.
  • cli/zelos: Improved help text and added support for URLs in terminals without hyperlink support.
  • docs/Serial: Improved serial documentation with better examples, helpers, and troubleshooting tips.

Fixed

  • test/VisaCodec: Fixed custom codec value types in the visa codec.
  • test/VisaCodec: Fixed issues related to binary handling in the visa codec.
  • test/SerialCodec: Fixed issue in the serial codec where messages would not receive all data.

Python 0.0.30 — March 8, 2024

Added

  • test/SerialLink: Defaulted to removing return/new-line characters from data in the serial link.
  • cli/zelos-uds: Fixed custom codec value types.
  • web/zplot: Changed text on local open button.
  • web/zplot: Added reconnect button to connection widget.
  • web/zplot: Added functionality for opening local files.
  • docs/zplot: Removed "Cannot open local files" limitation from docs.

Fixed

  • test/Serial+Visa: Fixed custom codec value types.
  • test/Serial+Visa: Propagated echo option to signals/messages.

Python 0.0.29 — March 7, 2024

Added

  • test/VisaCodec: Added support for visa codec/links, matches implementation of command/query signal/messages from serial.
  • Added voltage signal set/gets example.
  • test/CanCodec: Set rcvbuf to a larger value on socketcan interfaces.
  • test/SerialCodec: Added tracing support for the serial codec.
  • cli/zelos-uds: Added color, improve output, and more documentation.

Fixed

  • test/SerialCodec: Fixed CmdQuerySignal sets/gets so they actually work.