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Release Notes

gantt
    title PurC Release Plan
    dateFormat  YYYY-MM-DD
    section Mainline Release

    ver-0.8.0           :a1, 2021-01-19, 2022-07-30
    ver-0.8.1           :a2, 2022-07-30, 2022-08-19
    ver-0.8.2           :a3, 2022-08-19, 2022-09-30
    ver-0.9.0           :a4, 2022-09-30, 2022-10-31
    ver-0.9.2           :a5, 2022-10-31, 2022-12-01
    ver-0.9.4           :a6, 2022-12-01, 2022-12-30
    ver-0.9.5           :a7, 2022-12-30, 2023-01-09
    ver-0.9.6           :a8, 2023-01-09, 2023-02-23
    ver-0.9.7           :a9, 2023-02-23, 2023-03-15
    ver-0.9.8           :a10, 2023-03-15, 2023-03-31
    ver-0.9.10          :a11, 2023-03-31, 2023-04-26
    ver-0.9.12          :a12, 2023-04-26, 2023-06-01
    ver-0.9.13          :a13, 2023-06-01, 2023-06-29
    ver-0.9.14          :a14, 2023-06-29, 2023-07-28
    ver-0.9.15          :a15, 2023-07-28, 2023-09-01
    ver-0.9.19          :a16, 2023-09-01, 2023-12-30
    ver-0.9.22          :a17, 2023-12-31, 2025-04-30
    ver-0.9.24          :a18, 2025-04-30, 2025-06-30
    ver-0.9.26          :a19, 2025-06-30, 2025-08-31
    ver-0.9.30          :a20, 2025-08-31, 2026-01-31
    ver-1.0.0           :v1, 2026-02-01, 2026-02-28
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Release Notes

Version 0.9.30

On Jan. 31, 2026, HVML Community announces the availability of PurC 0.9.30, which is also the 20th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.30

In this version, we fixed some bugs.

  • CHANGES:
    • Change license of utilities to MIT
    • Tune some test cases for Ubuntu 26.04.
  • ENHANCEMENTS:
  • OPTIMIZATIONS:
    • Optimize the coroutine scheduler resulted in a 40% performance improvement.
  • ADJUSTMENTS:
  • BUGFIXES:
    • Fixed some bugs of HVML parser and interpreter.
    • Fixed some minor bugs of log utility.
  • CLEANUP:
  • SAMPLES:

Version 0.9.26

On Otc. 31, 2025, HVML Community announces the availability of PurC 0.9.26, which is also the 19th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.26

In this version, we implemented all APIs defined by HVML Predefined Variables V1.0. We also made a number of major enhancements and fixed some bugs.

  • CHANGES:
  • ENHANCEMENTS:
    • Support for QuickJS; Now HVML program can use $JS.load() to load JavaScript modules or scripts, and use $JS.eval() to evaluate a JavaScript expression and get the result.
    • Support for operator expressions: <init as max with (a > b ? a : b) />.
    • Support for new variant type: bigint.
    • New HVML APIs: $DATA.longint(), $DATA.ulongint(), $DATA.bigint(), $DATA.double(), and $DATA.longdouble().
    • New APIs to provide various variant operators (arithmetic, logic, bitwise, assignment, concatenation, and so no).
    • New APIs: purc_variant_numerify_long(), purc_variant_serialize_alloc(), and so on.
    • Support for CSS attribute transform in CSSEng.
    • Support for the global selector when serializing the document.
    • Support for user-defined options (--query-<key> <value>) for easy definition of request parameters of purc.
    • New APIs to support read/write lock on document: pcdoc_document_lock_for_write(), pcdoc_document_lock_for_read(), and pcdoc_document_unlock().
  • OPTIMIZATIONS:
    • Find tuned the struct purc_variant to reduce memory use for scalar variants.
  • ADJUSTMENTS:
  • BUGFIXES:
    • Fixed some bugs of HVML parser.
    • Removed unnecessary checks when decoding UTF-8 characters.
  • CLEANUP:
    • Cleaned up the command line options of purc.
  • SAMPLES:

Version 0.9.24

On Jun. 30, 2025, HVML Community announces the availability of PurC 0.9.24, which is also the 18th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.24

In this version, we implemented all APIs defined by HVML Predefined Variables V1.0. We also made a number of major enhancements and fixed some bugs.

  • CHANGES:
    • Upgrade PURCMC to version 170.
    • Change some helper APIs about URL to conform to common usage.
    • Rename $STR.format_c() to $STR.printf().
    • Rename $STR.format_p() to $STR.printp().
  • ENHANCEMENTS:
    • Add a new exception: AssertionFailed.
    • New verb. element adapt.
    • Complete implementation methods of $STR, $URL, and $DATA.
    • Refactor some methods of $STR.translate(), $DATA.serialize(), and so on.
    • Support for rdrState:pageActivated and rdrState:pageDeactivated events.
    • Enhance change:inflated, change:deflated, and change:modified events to have payloads.
    • Implement purc_rwstream_ungetc().
    • Implement new methods for native stream entity: $stream.getuc(), $stream.putuc(), and $stream.ungetuc().
  • OPTIMIZATIONS:
    • Optimize the coroutine scheduler.
  • ADJUSTMENTS:
    • [purc] Add new option: -p (--print-docs)
    • [purc] Add new option: -t (--print-result)
    • [purc] Remove some rarely used short options.
    • [purc] Provide support for user-defined options for query key-value pairs: --query-foo bar
  • BUGFIXES:
    • Fix some some dead loop bugs and crashes.
  • CLEANUP:
  • SAMPLES:

Version 0.9.22

On Apr. 30, 2025, HVML Community announces the availability of PurC 0.9.22, which is also the 17th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.22

In this version, we made a lot of major enhancements and fixed some bugs:

  • CHANGES:
    • Upgrade PURCMC to version 170.
    • Rename element include to execute.
    • Use change:inflated, change:deflated, and change:modified event names for container instead of grow, shrunk, and change.
    • Remove ssl_cert and ssl_key fields from struct purc_instance_extra_info.
    • Use new implementation of dvobjs-based socket connection to the renderer.
    • Use communication method socket for both UNIX/local socket and websocket socket, and remove obsolete code for websocket connection.
  • ENHANCEMENTS:
    • Add new option for purc: -D (--daemon)
    • Fine-tune the error reports for parsing and interpreting HVML.
    • Add two new exceptions: ProtocolViolation and TLSFailure.
    • Complete implementation of $STREAM: enhance the extension protocol websocket for stream socket and provide support for SSL/TLS.
    • Enhance or tune for xGUI.
    • Implement $SOCKET.stream() and $SOCKET.dgram() methods for stream socket and datagram socket respectively.
    • Implement $SOCKET.accept() method.
    • Implement $dgramSocket.sendto() and $dgramSocket.recvfrom().
    • Implement $SYS.open() method.
    • Implement $SYS.pipe() method.
    • Implement $SYS.socketpair() method.
    • Implement $SYS.close() method.
    • Implement $SYS.fdflags() method.
    • Implement $SYS.sockopt() property.
    • Implement $SYS.spawn() method.
    • Implement $SYS.waitpid() method.
    • Implement $SYS.kill() method.
    • Implement $SYS.access() method.
    • Implement $SYS.seek() method.
    • Implement $SYS.remove() method.
    • Implement $SYS.sendfile() method.
    • Implement $SYS.openpty() method.
    • Implement $stream.fd() property.
    • Implement $stream.peerAddr property.
    • Implement $stream.peerPort property.
    • Implement $DATA.makebytesbuffer() method.
    • Implement $DATA.append2bytesbuffer() method.
    • Implement $DATA.rollbytesbuffer() method.
    • Implement $STREAM.readbytes2buffer() method.
    • Implement $RUNNER.enablelog() method.
    • Implement $RUNNER.logmsg() method.
    • Implement $DATA.key() method.
    • Implement $STR.trim() method.
    • Implement $STR.strstr() method.
    • Implement $STR.strpbrk() method.
    • Implement $STR.strpos() method.
    • Implement $STR.tokenize() method.
    • Implement $STR.translate() method.
    • Implement $STR.rot13() method.
    • Implement $STR.count_chars() method.
    • Implement $STR.count_bytes() method.
    • Implement $STR.codepoints() method.
    • Implement $RUNNER.mktempchan().
    • Implement $DATA.is_container().
    • Refactor $STR.explode(), $STR.implode(), $STR.format_c(), and $STR.replace() methods.
    • Enhance $STREAM.readlines() to support the customized line seperator.
    • Rename $DATA.size() to $DATA.memsize().
  • OPTIMIZATIONS:
    • Tune prototype of on_message for message/websocket protocol to reduce the memory use.
  • ADJUSTMENTS:
    • Adjust the algorithm to cast a byte sequence to an integer or a float number.
    • Change the manner of purc_inst_ask_to_shutdown() from sending request to posting request (noreturn).
    • Support implicity variables _observedAgainst, _observedOn, _observedFor, _observedWith, _observedContent for observer element.
  • BUGFIXES:
    • Fix some memory leaks and race condition crashes.
    • Fix a bug in purc_variant_cast_to_ulongint(): 0.0 can not be cast to ulongint.
  • CLEANUP:
    • Use snprintf() instead of sprintf().
  • SAMPLES:

Version 0.9.20

On May 31, 2024, HVML Community announces the availability of PurC 0.9.20, which is also the 16th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.20

In this version, we fixed a few bugs and made some major enhancements:

  • CHANGES:
  • ENHANCEMENTS:
    • Enhance and expose new APIs for purc-fetcher module.
  • OPTIMIZATIONS:
  • ADJUSTMENTS:
  • BUGFIXES:
    • Fix some minor bugs.
    • Fix some memory leaks.
  • CLEANUP:
  • SAMPLES:

Version 0.9.19

On Dec. 30, 2023, HVML Community announces the availability of PurC 0.9.19, which is also the 16th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.19

In this version, we fixed a few bugs and made some major enhancements:

  • CHANGES:
  • ENHANCEMENTS:
    • Support for a new predefined variable: SQLite.
  • OPTIMIZATIONS:
  • ADJUSTMENTS:
  • BUGFIXES:
    • Fix some minor bugs.
    • Fix some memory leaks.
  • CLEANUP:
  • SAMPLES:

Version 0.9.18

On Dec. 7, 2023, HVML Community announces the availability of PurC 0.9.18, which is also the 15th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.18

In this version, we fixed a few bugs and made some major enhancements:

  • CHANGES:
  • ENHANCEMENTS:
    • Update WTF to use libsoup-3.0; use -DUSE_SOUP2=ON if you want use libsoup-2.x.
    • Support for PURCMC version 160.
    • Add a new renderer seeker for seeking a real available remote renderer.
    • Support for switching amone renderers.
    • Add transitionStyle and layoutStyle for windows.
    • Support for app menifest.
    • Support for template attribute of hvml tag.
    • Add a new API: purc_evaluate_standalone_window_transition_from_styles().
    • Add a new API: purc_evaluate_standalone_window_geometry_from_styles().
    • Add a new API: purc_split_page_identifier().
    • Add a new API: purc_get_app_icon_content().
    • Add a new API: purc_get_app_icon_url().
  • OPTIMIZATIONS:
  • ADJUSTMENTS:
  • BUGFIXES:
    • Fix some minor bugs.
    • Fix some memory leaks.
  • CLEANUP:
  • SAMPLES:

Version 0.9.17

On Nov. 1, 2023, HVML Community announces the availability of PurC 0.9.17, which is also the 14th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.17

In this version, we fixed a few bugs and made some minor enhancements:

  • CHANGES:
    • Add a new feature: PURC_FEATURE_APP_AUTH.
    • Refactor purc_is_feature_enabled().
    • Add new API purc_document_type().
  • ENHANCEMENTS:
    • Support for WebSocket in PURCMC implementation and $STREAM.
  • OPTIMIZATIONS:
  • ADJUSTMENTS:
  • BUGFIXES:
    • Fix some minor bugs.
  • CLEANUP:
  • SAMPLES:

Version 0.9.16

On Otc. 1, 2023, HVML Community announces the availability of PurC 0.9.16, which is also the 14th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.16

In this version, we fixed a few bugs and made some minor enhancements:

  • CHANGES:
  • ENHANCEMENTS:
    • Support two new element types in PURCMC message: PCRDR_MSG_ELEMENT_TYPE_CLASS and PCRDR_MSG_ELEMENT_TYPE_TAG.
    • Support .class-name and tag-name in request and observe elements.
    • Create HTML document with explicit DOCTYPE.
    • Implement receivable event on channels.
  • OPTIMIZATIONS:
  • ADJUSTMENTS:
    • Update HVML samples to use bootstrap 5.3.1 and bootstrap-icons 1.10.5.
  • BUGFIXES:
    • Fix some minor bugs.
  • CLEANUP:
  • SAMPLES:

Version 0.9.15

On Sept. 1, 2023, HVML Community announces the availability of PurC 0.9.15, which is also the 13th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.15

In this version, we fixed a few bugs and made some minor enhancements:

  • CHANGES:
  • ENHANCEMENTS:
  • OPTIMIZATIONS:
  • ADJUSTMENTS:
    • Call pcintr_rdr_page_control_load for inherit page;
  • BUGFIXES:
    • Support for at attribute value _topmost in init.
    • Fix the request parameters are not passed (HTTP GET).
    • Other minor bugs.
  • CLEANUP:
    • Cleanup cmake files for deprecated usage.
    • Add executable permission to .py files.
    • Merge some modifications from @taotieren.
  • SAMPLES:

Version 0.9.14

On July 31, 2023, HVML Community announces the availability of PurC 0.9.14, which is also the 12th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.14

In this version, we fixed a few bugs and made some minor enhancements:

  • CHANGES:
  • ENHANCEMENTS: Tune or enhance the implementation according to the revisions from RC9 to RCd of HVML Spec V1.0:
    • The default result data of a foreign element: inheriting from the proceeding operation.
    • Tune the manners of test, match, differ elements and fix known bugs.
    • Tune the manners of back and update elements and fix known bugs.
    • Tune the manners of update elements to reflect the wholly adverb attribute.
    • The result data of a catch elmenet, should be defined as an object to describe the exception.
    • Enhance init element to support RAW-HEADERS when issuing an HTTP request to get data from a remote URL.
    • Enhance request element to pass CSS selector directly to the renderer instead of passing the HVML handle of the element.
  • OPTIMIZATIONS:
  • ADJUSTMENTS:
  • BUGFIXES:
    • Fix bugs in $FS.file_contents getter and setter.
  • CLEANUP:
  • SAMPLES:

Version 0.9.13

On June 30, 2023, HVML Community announces the availability of PurC 0.9.13, which is also the 11th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.13

In this version, we fixed a few bugs and made some minor enhancements:

  • CHANGES:
    • If $REQ is not defined, make it as an empty object.
  • ENHANCEMENTS:
    • Implement $DATA.is_divisible, $DATA.match_members, and $DATA.match_properties.
  • OPTIMIZATIONS:
  • ADJUSTMENTS:
  • BUGFIXES:
    • Fix bugs in $FS.file_contents getter and setter.
  • CLEANUP:
  • SAMPLES:

Version 0.9.12

On May 31, 2023, HVML Community announces the availability of PurC 0.9.12, which is also the 10th alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.12

In this version, we fixed some bugs and made some enhancements:

  • CHANGES:
    • Change API purc_enable_with_tag() to specify the log level.
    • Expose pcutils_md5_xxx() and pcutils_sha1_xxx() APIs.
    • Expose pcutils_printbuf_xxx() APIs.
  • ENHANCEMENTS:
    • Add new APIs: pcutils_sha256_xxx(), pcutils_sha512_xxx(), and pcutils_hmac_sha256().
    • Add new APIs: purc_enable_log_ex() and purc_log_with_level(), and use level mask to control the message levels to log ultimately.
    • Enhance $STREAM to support message protocol on UNIX-domain socket and HBDBus data bas protocol.
  • OPTIMIZATIONS:
  • ADJUSTMENTS:
  • BUGFIXES:
    • Remove some limitations on event name.
  • CLEANUP:
  • SAMPLES:

Version 0.9.10

On Apr. 30, 2023, HVML Community announces the availability of PurC 0.9.10, which is also the nineth alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.10

In this version, we fixed some bugs and made some enhancements:

  • CHANGES:
    • Expose pcutils_kvslist_xxx interfaces to applications.
    • Implement $CRTN.static and $CRTN.temp to help HVML program to access or operate the static or temporary variables in HEE.
  • ENHANCEMENTS:
    • Support for PURCMC 120 protocol.
    • Tune the parsing errors of HVML and HEE.
    • Support for the daynamic update of document in Foil renderer.
    • Add new text cases for Foil renderer.
  • OPTIMIZATIONS:
  • ADJUSTMENTS:
  • BUGFIXES:
    • Fix bugs in implementation of match and back elements.
    • Fix bugs in implementation of event name.
  • CLEANUP:
  • SAMPLES:
    • New sample file-system-browser.hvml: using the same renderer page among multiple coroutines.

Version 0.9.8

On Mar. 31, 2023, HVML Community announces the availability of PurC 0.9.8, which is also the seventh alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.8

In this version, we fixed some bugs and made some enhancements:

  • CHANGES:
    • Rename purc_variant_is_mutable() to purc_variant_is_container().
    • Use purc_ejson_parsing_tree instead of purc_ejson_parse_tree; use purc_ejson_parse_ instead of purc_variant_ejson_parse_.
    • Add a new API: purc_variant_object_set_by_ckey().
    • Rename purc_variant_object_remove_by_static_ckey() to purc_variant_object_remove_by_ckey().
    • Add a new API: purc_variant_set_unique_keys(). Use this function to get the unique keys of a variant set.
    • Add a new API: purc_variant_make_native_entity(). Use this function to create a native entity with name. Note that purc_variant_make_native() will create a native entity named anonymous.
    • Add a new API: purc_get_elapsed_milliseconds(). Use this function to get the elapsed milliseconds since the specified time.
    • Add a new API: pcutils_mystring_append_uchar(). Use this function to append a Unicode character to the mystring object.
    • Add a new API: purc_make_object_from_query_string().
    • Add new APIs: pcutils_utf8_to_unichar(), pcutils_string_utf8_chars_with_nulls(), and pcutils_string_decode_utf8_alloc_with_nulls().
    • Add a new generic error: PURC_ERROR_IO_FAILURE.
  • ENHANCEMENTS:
    • The basic implementation of $PY. HVML now can interact with Python.
    • Draw borders of boxes in Foil renderer.
    • Support for floats and absoluted positioning in Foil renderer.
    • Add a new exception ExternalFailure for errors in external dynamic variant objects.
    • The native entity now supports getter and setter on itself.
    • Add a new post listener operation: PCVAR_OPERATION_RELEASING.
    • Add a auto-test HVML program and many test cases to test Foil renderer.
  • OPTIMIZATIONS:
  • ADJUSTMENTS:
  • BUGFIXES:
    • Fix some bugs related timezone (from @bkmgit).
    • Fix lost of event rdrState:pageClosed.
  • CLEANUP:
    • Remove repeated identical test (from @bkmgit)
  • SAMPLES:
    • A new sample embed-python-looking-for-primes.hvml: Embedding Python in HVML to find primes.
    • A new sample embed-python-animated-3d-random-walk.hvml: Embedding Python in HVML to show the animated 3D random walks.
    • A new sample foil-three-columns.hvml: Using Foil to show three columns to run samples.

Version 0.9.6

On Feb. 25, 2023, HVML Community announces the availability of PurC 0.9.6, which is also the sixth alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.6

In this version, we fixed some bugs and made some enhancements:

  • CHANGES:
    • (N/A).
  • ADJUSTMENTS:
  • ENHANCEMENTS:
    • Complete the implementation of the predefined variables $DOC.
    • Improve init to load content with MIME type text/html as a document entity.
    • Improve support for the attribute in, so we can use a value like > p to specify an descendant as the current document position.
    • Enhance Foil renderer to support meter and progress elements.
  • OPTIMIZATIONS:
    • Optimize the variant moudule.
    • Optimize the evaluation of a VCM tree to descrease uses of malloc() and free().
  • BUGFIXES:
    • Fix some minor bugs in Foil when laying the redering boxes.
  • SAMPLES:
    • New sample spider-headline.hvml: fetching the latest headlines from news websites.
    • New sample foil-progress.hvml: Show usage of progress tag in Foil renderer.
    • New sample foil-meter.hvml: Show usage of meter tag in Foil renderer.

Version 0.9.5

On Jan. 10, 2023, HVML Community announces the availability of PurC 0.9.5, which is also the fifth alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.5

In this version, we fixed some bugs and made some enhancements:

  • CHANGES:
    • (N/A).
  • ADJUSTMENTS:
    • Tune to skip some test cases if there are no commands needed installed.
  • ENHANCEMENTS:
    • Add a new HVML sample: Source/Sample/hvml/file-manager.hvml to browse files in local system.
    • Improve the built-in Foil renderer to support basic layouts and CSS properties about text style.
  • OPTIMIZATIONS:
    • Optimize the socket communication with a remote HVML renderer.
  • BUGFIXES:
    • (N/A).

Version 0.9.4

On Dec. 30, 2022, HVML Community announces the availability of PurC 0.9.4, which is also the fifth alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.4

In this version, we fixed some bugs and made some enhancements:

  • CHANGES:
    • Rename some APIs.
    • Tune almost all API description.
  • ADJUSTMENTS:
    • (N/A).
  • ENHANCEMENTS:
    • Improve the implementation of the element update.
    • Full support for request element.
    • Add new test cases or enhance test cases.
    • Enhance Foil to support more properties and layouts except for table.
  • OPTIMIZATIONS:
    • (N/A).
  • IMPROVEMENTS:
    • Tune some API descriptions.
  • BUGFIXES:
    • The bug reported in Issue #42.

Version 0.9.2

On Nov. 30, 2022, HVML Community announces the availability of PurC 0.9.2, which is also the forth alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.2

In this version, we fixed some bugs and made some enhancements:

  • CHANGES:
    • Rename some APIs.
  • ADJUSTMENTS:
    • Tune the serialization format of eDOM.
  • ENHANCEMENTS:
    • Support for triple-single-quote syntax.
    • The HEEs which are embedded in a string enclosed by two triple-double-quotes will be evaluated.
    • Support line comments in CHEE.
    • Support for the tuple.
    • Support for using string constants to define exception in catch and except tags.
    • In the implementation of predefined variables, use the interfaces for linear container instead of array.
    • Add a new API: purc_variant_make_atom()
    • Support for using a URL query string (in RFC 3986) for the request data of purc.
    • Foil now supports more CSS properties: white-space, list-style-type, and so on.
  • OPTIMIZATIONS:
  • IMPROVEMENTS:
    • Tune some API descriptions.
  • BUGFIXES:
    • eJSON parser now raises errors for C0 control characters.
    • Some expressions in hvml and iterate were evaluated twice incorrectly.

Version 0.9.0

On Otc. 31, 2022, HVML Community announces the availability of PurC 0.9.0, which is also the third alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.9.0

In this version, we fixed some bugs and made some enhancements:

  • CHANGES:
    • Rename type purc_rdrprot_t to purc_rdrcomm_t.
    • Rename macro PURC_RDRPROT_HEADLESS to PURC_RDRCOMM_HEADLESS.
    • Rename macro PURC_RDRPROT_THREAD to PURC_RDRCOMM_THREAD.
    • Rename macro PURC_RDRPROT_PURCMC to PURC_RDRCOMM_SOCKET.
    • Rename macro PURC_RDRPROT_HIBUS to PURC_RDRCOMM_HIBUS.
    • Rename the field renderer_prot of struct purc_instance_extra_info to renderer_comm.
    • Change the value of macro PCRDR_PURCMC_PROTOCOL_VERSION to 110.
    • Rename function pcrdr_conn_protocol() to pcrdr_conn_comm_method().
    • Rename function pcrdr_purcmc_connect() to pcrdr_socket_connect().
    • Rename function pcrdr_purcmc_read_packet() to pcrdr_socket_read_packet().
    • Rename function pcrdr_purcmc_read_packet_alloc() to pcrdr_socket_read_packet_alloc().
    • Rename function pcrdr_purcmc_send_packet() to pcrdr_socket_send_packet().
    • Rename macro PCA_ENABLE_RENDERER_PURCMC to PCA_ENABLE_RENDERER_SOCKET.
  • ADJUSTMENTS:
    • Use edpt:// instead of @ as the schema of an endpoint URI.
    • Merge repo of DOM Ruler to PurC (under Source/CSSEng and Source/DOMRuler).
    • Merge repo of PurC Fetcher to PurC (under Source/RemoteFetcher).
  • ENHANCEMENTS:
    • Basic support for the new variant type: tuple.
    • Improve the implementation of the element bind:
      • The support for the adverb attribute constantly.
      • The support for the substituting expression.
    • Improve the element init to make the attribute at support _runner, so we can create a runner-level variable.
    • Improve the data fetcher to generate the progress events when fetching data.
    • Improve the function to get data from remote data fetcher:
      • The element archetype: support for src, param, and method attributes.
      • The element archedata: support for src, param, and method attributes.
      • The element execpt: support for src, param, and method attributes.
      • The element init: support for from, with, and via attrigbutes.
      • The element define: support for from, with, and via attributes.
      • The element update: support for from, with, and via attributes.
    • Support for the equivalence of the context variable <: ~.
    • Support for the equivalences and/or abbreviations of some adverb attributes.
    • Support for the new preposition attribute: idd-by.
    • A simple built-in HTML renderer (Foil) for text terminal via THREAD channel.
  • OPTIMIZATIONS:
  • IMPROVEMENTS:
  • BUGFIXES:

Version 0.8.2

On Sep. 29, 2022, HVML Community announces the availability of PurC 0.8.2, which is also the second alpha release of PurC 1.0.x.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

What's new in version 0.8.2

In this version, we fixed some bugs and made some enhancements:

  • BUGFIXES:
    • The content of an iterate element may be evaluated twice.
    • Incorrect evaluation logic of a CJSONEE with && and ||.
    • Refactor eJSON parser to support the varoius string patterns.
    • Fix a bug about a percent escaped path for file:// URL.
  • ENHANCEMENTS:
    • Provide support for channel, which can act as an inter-coroutine communication (ICC) mechanism. See Section 3.2.7 of HVML Predefined Variables V1.0.
    • Support for rdrState:connLost event on $CRTN.
    • Implement new APIs: purc_coroutine_dump_stack.
    • Support for use of an element's identifier as the value of the at attribute in an init element.
    • Improve the element init to make the attribute as be optional, so we can use init to initilize a data but do not bind the data to a variable.
    • Implement the request tag (only inter-runner request).
    • Provide support for type attribute of the element archetype. It can be used to specify the type of the template contents, for example, plain, html, xgml, svg, or mathml.
    • Support for the prefix for a foreign tag name. See Section 3.1.1 of HVML Specifiction V1.0.
    • Support for using Unihan characters in variable names and property/method names. See Section 2.2.2 of HVML Specifiction V1.0.
  • OPTIMIZATIONS:
    • Optimize the content evaluation of foreign elements: make sure there is only one text node after evaluating the contents $< Hello, world! --from COROUTINE-$CRTN.cid.
  • IMPROVEMENTS:
    • When the contents of the target document is very large, send the contents by using operations writeBegin, writeMore, and writeEnd.
    • Raise exceptions if encounter errors when the fetcher failed to load a resource of a given URL.
  • TUNING:

Version 0.8.0

On July 31, 2022, HVML Community announces the availability of PurC 0.8.0, which is also the first alpha release of PurC 1.0.x.

This version implements almost all features defined by HVML Specifiction V1.0, and also implements almost all predefined dynamic variables defined by HVML Predefined Variables V1.0.

For bugs, incompatibilities, and issues, please report to https://github.com/HVML/PurC/issues.

Known Bugs in Version 0.8.0

  1. The content of an iterate element may be evaluated twice.
  2. Some EJSON expressions within "" are evaluated incorrectly.
  3. Incorrect evaluation logic of a CJSONEE with && and ||.