blockr.core 0.1.2

• A blockr option attach_default_packages can be set to opt into evaluating block expressions with objects from default packages directly available.
• Add ctrl_block() plugin for external block control, allowing blocks to be driven programmatically from outside the standard block UI.
• Add clear_board() for removing all blocks/stacks from a board.
• Add bbquote() and helpers (., ..) for cleaner code generation via bquote()-based quasiquotation.
• Export custom_plugins() and custom_options() for easier board customization.
• Add block_metadata() for retrieving per-block metadata and attach block metadata with defaults to block objects.
• Export test utilities (blockr_test_exports(), new_mock_session(), export_safely()) for use in downstream package tests.

blockr.core 0.1.1

• Add Block-level notifications via (optional) expr server return value component cond.
• Export get_board_option_value() to make available current option settings via session$UserData.
• Introduce (optional) dependency on thematic to auto-style plots.
• Export toolbar_ui() which takes case of the “core” toolbar UI component.
• Utility functions chr_ply() and related, as well as miscellaneous utilities such as set_names(), coal(), etc. are now exported for use in dependent packages.
• Export export_code() to make it easier for third-party generate_code() plugin implementations.
• Use evaluate::evaluate() to capture plots.
• Add new_fixed_block() for applying a fixed (i.e. non-paramtetrized) transformation to data input.
• Board server callbacks are invoked with an additional argument session.
• Export assertion utilities such as is_string(), is_count(), etc.
• Improved ser/des, which now includes package/constructor information for all board, blocks, stacks and options. The corresponding infra
• Board options now contain UI/server components to provide more options for customization. Also blocks can require certain options to be available.
• Introduces block_render_trigger() to control per block class when to re-render the block output.
• Rework of block notifications to provide a reactiveValues() object containing notification types a separate components.
• Auto-ID generation can now be customized with a default provided by the ids package (if available).
• Use the glue package for logging/block notifications; add a glue-based text block.
• New board restore mechanism based on session$reload().
• Improvements to the registry: block icons and a fixed set of categories.

blockr.core 0.1.0

• Initial CRAN submission