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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog.

unreleased

  • Generalise unary operators.
  • Support for all boolean, arithmetic, and comparison operators.

0.5.0 (2020-08-28)

Dummy release to fix package version number - did not use the release script last time!

0.5.0 (2020-08-28)

Changed

0.4.3 (2020-08-07)

Changed

  • New import syntax
  • Allow empty 'else' clauses in if expressions (returning null).
  • teal init now also creates an empty src folder and service file. All about that programmer ease!

New

Fixed

  • Lots of minor bugfixes, and some major!

0.4.2 (2020-07-23)

Fixed

  • Removed dist_data from the Teal lambda distribution package. It's not necessary, and just bloats.

0.4.1 (2020-07-23)

New

  • Teal builtin to get current thread ID (tid())
  • Foreign function wrappers are automatically created, so you can do async py_fn (previously they had to be manually wrapped)

Fixed

  • Added teal_lamdba.zip and dist_data to the distribution package
  • Various other things

Changed

  • Use API Gateway v1 event payload format for the shared API
  • More logging in Lambda

0.4.0 (2020-07-13)

New

  • teal init to bootstrap new projects
  • Separate project/instance configuration
  • Pretty CLI interface
  • Way better stack traces
  • Unified error reporting
  • The beginnings of Teal Cloud integration
  • &&, || operators

Changed

  • Semi-colons are required now, to simplify the parser
  • Improved Lambda startup time (cache imported modules)
  • Added "full" debug symbols to executables

Fixed

  • Many bugs

0.3.0 (2020-06-27)

New

  • New syntax for lists and hash maps (dictionaries)
  • Optional API Gateway trigger for sessions
  • Teal Tracebacks on error

Changed

  • More tests
  • Massively improved CLI experience (colours, logs, progress indications)
  • Activation Records used internally for stack management
  • Big upgrades to underlying data model - more efficient and maintainable
  • Removed the project name in config - it doesn't help anything, and adds extra state to keep track of (deployment ID is enough).
  • Local run prints result at the end
  • Local run prints stdout in real-time, instead in one go at the end
  • No dependency on TL_REGION - just use AWS_DEFAULT_REGION
  • Many other small improvements

Fixed

  • Tail-call optimisation bug which caused all values in a block to be kept
  • Lots of other bugs.

0.2.4 (2020-06-08)

Fixed

  • Version tag naming in release.sh
  • Writing __version__ before release

0.2.3 (2020-06-08)

No changes - releasing just so that master is tagged.

0.2.2 (2020-06-08)

Added

  • Fractals example
  • Tail-call optimisation for recusive function calls
  • teal deploy and teal destroy for infrastructure management
  • CLI interface for invoking sessions and getting session data
  • parse_float builtin (string to float)
  • service configuration file
  • nth builtin (list access - maybe should be called elem)
  • wait builtin to do what await does
  • goto/loop at the compiler level

Fixed

  • Parser conflict with anonymous functions
  • Various list data type instruction bugs
  • Catch more runtime errors in AWS and record them

Changed

  • Teal names can start with underscore

0.2.1 (2020-05-29)

Fixed

  • CLI bugs

Added

  • CLI colours and cleaner interface
  • CONTRIBUTING.md document
  • Better README info, and functions diagram

Changed

  • Simpler standard output model (just text). This may change again before the next release...
  • Remove "Evaluator" class in the Machine. Much simpler now.

0.2.0 (2020-05-18)

Subtantial release - several changes not captured here.

Added

  • Completely new syntax
  • Add ability to import from the python builtin module
  • Env variable to enable/disable importing from builtin
  • Env variable to configure Lambda timeout
  • Add ability to provide Teal code for just that session when calling the new awslambda endpoint, rather than using the "base session"
  • awslambda API endpoints: set a single session executable, get session output
  • Add "expires_on" attribute for DynamoDB Session items, so that they can be deleted automatically (using DynamoDB TTL)
  • A CHANGELOG.md
  • Various other changes

Fixed

  • Return dict from the Lambda handlers, so that API Gateway integrations work correctly.

0.1.0 (2020-05-01)

Initial release.

Added

  • Minimal first-draft Teal language and command-line tool
  • Basic end-to-end tests
  • A few examples