# Changelog All notable changes to the `l3build` bundle since the start of 2018 will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), this project uses date-based 'snapshot' version identifiers. ## [Unreleased] ## [2024-10-16] ### Added - `--dev` switch to run tests using development format ## [2024-10-08] ### Fixed - Test for uncompleted conditionals in tests (may require `.tlg` update) - Global `typesetopts` no longer ignored for `luatex` and `lualatex` (issue \#351) - Handling of spaces in options ## [2024-05-27] ### Changed - Respect `--rerun` in `doc` target (issue \#112) ### Fixed - Skip unknown engines correctly in `l3build save` - Handling of environment settings in some cases (issue \#353) ## [2024-02-08] ### Changed - Extend normalization of line numbers to include those wrapped by LaTeX in text `on line ...` - Suppress `l3msg` message wrapping ## [2024-01-18] ### Added - Switch `-s|--stdengine` to run a set of tests only with the standard engine even where this varies between configs (issue \#343) ### Removed - Switch `--force|-f` ## [2024-01-09] ### Fixed - Type of return value of `runtest_tasks()` in doc - Print failures correctly when these occur in multiple configurations including the core (`build`) one ## [2024-01-04] ### Changed - Throw warnings on unknown doc name(s) - Always execute `runtest_tasks()` if set (issue \#327) - Print failures correctly when these occur in multiple configurations ## [2023-12-15] ### Fixed - Test for blank `runtest_tasks()` (issue \#327) ## [2023-12-13-2] - Correct setup for script running in TeX Live ## [2023-12-13] ### Fixed - Syntax warning on Windows with some test setups ## [2023-12-12] ### Changed - Document default value of `ctanpkg` as a valid lua expression - Improve log for failed checks with no diff files - Document full syntaxes of `\SHOWFILE` and `\ASSERT(STR)` ### Fixed - Short-circuit `check --rerun` if `testdir` doesn't exist - Retain errorlevel on Windows during `check` target ## [2023-11-01] ### Changed - Drop duplicate backslashes in doc ### Fixed - Support non-ASCII filenames that fall within the system codepage on Windows (see \#122) ## [2023-09-13] ### Added - Document ConTeXt as supported `checkformat` ### Changed - Extend version string normalisation during checks (see issue \#96) - Extend excludefiles to cover `build.lua` (see \#286) ### Fixed - Return passing errorlevel if BibTeX issues warnings (see \#260) - Respect `excludefiles` when doing (local) installation ## [2023-09-07] ### Changed - Refine `-utc` support - Apply `checkopts` in addition to engine-specific options ## [2023-09-05] ### Changed - Initialise the random seed with the current time so `--shuffle` produces different orders each run. - Normalise more `luaotfload` cache lines - Apply `-utc` switch for LuaTeX when using a fixed epoch value ## [2023-07-20] - Set `-kanji-internal=euc` when building pLaTeX ## [2023-07-17] ### Changed - Improve stdout "Running l3build with target ..." - Quote configuration name used in stdout - Update one leftover outdated doc for `unpackexe`: defaults to `pdftex` - Building pLaTeX format now uses e-upTeX engine - Normalize more `luaotfload` path data (see issue \#301) - Update ConTeXt settings to allow for LuaTeX and LuaMetaTeX runs - Improve doc for default `stdengine` ### Fixed - Avoid setting `TEMXFCNF` for ConTeXt (issue \#232) ## [2023-03-27] ### Fixed - All LuaTeX `.tlg` files were wrongly considered not engine-specific. Introduced in #292 which tried to fix #291. ## [2023-03-22] ### Changed - Default value of `maxprintline` is now `9999` (may require `.tlg` updates: see docs) ### Fixed - Apply needed luatex-specific log normalization, even when `--rerun` is used (issue \#291) ## [2023-03-08] ### Changed - Generalize normalization of ghostscript version in PDF-based tests - Include UNIX timestamps in generated ZIP files - Normalize pdfTeX `.enc` file loading ### Fixed - Ensure when used, value of `ps2pdfopts` is surrounded by a space on both sides ## [2023-02-26] ### Changed - Run engine sanity check per config ### Fixed - Restore epoch settings for `dvitopdf()` - Use plural form of variable `ps2pdfopts` consistently in code and doc, and retain compatibility with singular form `ps2pdfopt` (issue \#275) - Remove the last trace of dropped variable `stdconfig` ## [2023-02-20] ### Changed - Unify `testdir` by dropping possibly trailing `.lua` passed to `--config` ### Fixed - Ensure directories `testdir` and `resultdir` exist when `--dirty` is set - epoch settings with xetex ## [2023-02-16] ### Changed - Drop a redundant setup line for upTeX - Normalise more Lua stack trace data (may require `.tlg` rebuild) ### Fixed - Ensure `texmf.cnf` work correctly for `dvips` ## [2022-11-10] ### Changed - Suppress (new) LaTeX version data at end of `.log` ### Fixed - Allow for local override of `ctanupload` variable ## [2022-09-15] ### Fixed - Copying of nested directories ## [2022-04-19] ### Changed - Normalise GhostScript version in PDF-based tests - Sort list of names of difference files for failing tests. ## [2022-04-12] ### Added - Basic support for `make4ht` ### Changed - Support `bidi` version string in `\special` lines (closes \#226) ## [2022-03-15] ### Changed - When `\pdfmeta_set_regression_data:` is defined it is used to set metadata - Support multiple configurations in bundles ### Fixed - Correctly normalize luaotfload font cache path ## [2022-02-24] ### Fixed - Creation of subdirectories in TDS structures on Unix-like systems - use `form-string` rather than `form` for all curl fields to avoid misinterpreting leading `@` or `<` eg a description starting `

` - Check the boolean value returned by executing shell commands in `l3build-upload` and throw an error if this is false. This fixes the issue that previously "validation successful" was reported if `curl` failed. ### Changed - Documentation of how to validate an upload ## [2021-12-14] ### Fixed - Use correct name for `options` table in multi configuration management code ## [2021-12-09] ### Added - Support for pre-constructed TDS-style sources (variable `tdsdirs`) - Support for injection of tokens using `specialformats` ### Changed - If multiple configurations are present, let `l3build clean` run on all of them by default. (issue \#214) ## [2021-12-06] ### Fixed - Place PDF files inside `docfiledir` in all cases ## [2021-11-29] ### Changed - Documentation improvements - Use `checkengines[1]` as the default for `stdengine` - Add sanity check for `TEXMFHOME` value - Double \ when writing the curl options, so that \ does not need to be doubled in note and announcement texts. ### Fixed - Installation of files when using MiKTeX (see #125) - Incorrect line in `manifest` target (see #195) - Placement of PDF files in subdirectory locations (issue \#209) - Detection of engine-specific tlg files for non-standard LuaTeX based engines (issues #214) ## [2021-11-24] - Always typeset in `typesetdir` (fixes #210) ## [2021-11-12] ### Changed - Documentation improvements ### Fixed - Allow config names ending with 'lua', as long as they don't end with '.lua' - All documentation files are build in a consistent environment with support files visible. ## [2021-08-28] ### Fixed - Creation of zip files on Windows - Only match filename and not full path for `exefiles` ## [2021-08-27] ### Added - Add the `--show-saves` flag for `l3build check` to generate a list of `l3build save` commands to regenerate all failing tests ### Changed - No longer call an external program to generate `zip` files and generate them directly instead. This disables the options `zipexe` and `zipopts`. - Copy TDS-style zip files to main dir ## [2021-05-06] ### Fixed - Issue when running PDF-based tests ## [2021-05-05] ### Changed - Normalise Lua function calls (issue \#127) - may require `.tlg` update - LuaTeX from TL'21 is no longer 'off by one' in log files - may require `.tlg` update ### Fixed - Installation now supports deeper directory levels (issue \#182) - The `texmfhome` directory is now created before use if required - Crash caused by yyyy-mm-dd epoch format ### Removed - Support for use as `texlua build.lua ` ## [2020-06-04] ### Added - Store 'raw' PDF files when testing using PDFs, to allow further checks with e.g. PDF validators ## [2020-03-25] ### Changed - Exclude `sourcefiles` entries from file clean-up - Adjust defaults for TeX Live 2020 LuaHBTeX usage ## [2020-03-16] ### Changed - Suppress PDF compression in DVI route - Suppress PDF ID data in DVI route - Default to `dvips` for (p)TeX - Refinement of `/ID` line suppression ## [2020-03-13] ### Changed - Refinement of PDF test normalisation ## [2020-03-12] ### Added - Option `ps2pdfopt` ### Changed - Normalise `/ID` lines in PDF comparisons - Normalise `%%` lines in PDF comparisons ### Fixed - Enable `cleandir()` recursively - Install files after *all* directory cleaning/creation ## [2020-02-21] ### Changed - Avoid temporary file when unpacking ### Deprecated - `os_yes`: use `io.popen(...,w)` instead ## [2020-02-17] ### Added - Variable `textfiledir` - Table `specialtypesetting` and support data ### Changed - Documentation improvements ### Fixed - When `checkruns` > 1 and `recordstatus=true`, testing code would crash (issue \#90) ## [2020-02-03] ### Changed - Normalise out DVI header lines ### Fixed - Allow announcement field to be empty (with a warning this suppresses the CTAN announcement) ## [2020-01-14] ### Fixed - Allow for more extracted files from DocStrip ## [2019-11-27] ### Changed - `\ASSERTSTR` no longer needs e-TeX ### Fixed - Installation of files using the `--full` switch ## [2019-11-01] ### Added - New `\ASSERT` and `\ASSERTSTR` functions (issue \#102) ### Changed - Avoid normalisation of (u)pTeX data when this is standard engine (fixes #103) - Normalise Lua data references (#107) - Extend `runtest_task()` to pass run number - Allow `regression-test` to load when e-TeX is unavailable (fixes #105) ### Fixed - Location of `testsuppdir` when multiple configurations are used ## [2019-10-02] ### Added - `docinit_hook()` ### Changed - Normalise out file paths in all cases ## [2019-09-30] ### Added - New `flattentds` variable for controlling complex TDS structures - Additional notes on `texmfdir` ### Fixed - Copy TDS files inside subdirectories (fixes #100) ## [2019-09-29] ### Fixed - Path searching if `texmfdir` is set but does not exist ## [2019-09-28] ### Fixed - Typesetting when using an isolated system (use of texmfdir) ## [2019-09-25] ### Added - New `texmfdir` variable for more complex local additions ### Fixed - Clean out all configuration test dirs (see #98) ## [2019-09-18] ### Added - `checkinit_hook()` ## [2019-09-14] ### Changed - Use three typesetting runs as-standard - Use `pdftex` not `tex` for unpacking ## [2019-08-24] ### Changed - Include `LUAINPUTS` when setting `TEXINPUTS` for `checksearch = false`, etc. ### Fixed - Remove `.log` file before each check run: prevent inter-engine confusion ## [2019-07-31] ### Fixed - Interaction between secondary files in some tests ## [2019-07-30] ### Added - Support for non-standard file layouts via `tdslocations` table ### Changed - Only write (x)dvipdfmx specials for XeTeX and (u)pTeX (see #94) ## [2019-06-27] ### Changed - Back out change for normalisation of LuaTeX v1.10 stack information (timing issue: will reintroduce later) ### Fixed - Correct test for LuaTeX (see #93) ## [2019-06-26] ### Added - Support for HarfTeX (see #92) ### Changed - Support for normalisation of LuaTeX v1.10 stack information (may require new `.tlg` files) ### Fixed - Support for spaces in paths when typesetting (see #91) ## [2019-06-18] ### Added - Switch `--show-log-on-error` for use with `--halt-on-error`. Results in the `.log` file being show in full on the console to aid in non-interactive debugging. ### Changed - Moved LuaTeX-specific font cache normalisation ## [2019-02-10] ### Fixed - Handling of ASCII engines - Execution of all tests by `ctan` target (see #85) ## [2019-02-06] ### Added - Table-based control of binary/format combinations: `specialformats` (see #84) - Switch `--debug` for chasing problems with the `upload` target ### Changed - The `uploadconfig.update` field by default now automatically detects whether it needs to be `true` or `false` - The `tag` target now allows no tag name to allow for setting this programmatically within a `build.lua` script - Better support for multiple LuaTeX-like engines ### Fixed - Uploading via Windows should now work ## [2018-12-23] ### Added - Switch `--email` for providing upload email address - Switch `-F|--file` for providing upload announcement from file - Switch `-m|--message` for providing upload announcement from command line ### Changed - Enable `--dry-run` option for `upload` target - Enable tag/version to be passed as optional argument to `upload` target ### Fixed - Packaging of some team-specific files - Handling of upload data containing newlines (Windows only) ## [2018-12-18] ### Changed - Add new `upload` target which uses `curl` with the CTAN API to send a package for release (see #1) ## [2018-11-08] ### Changed - Strip leading spaces from file loading/page number lines (see #78) ### Fixed - Print test failures correctly per-config (see #77) ## [2018-10-30] ### Fixed - Substitution of spaces in Unix paths (see #76) ## [2018-10-25] ### Added - `\SHOWFILE` command ### Changed - Better support for multiple LuaTeX engines (see #75) ## Fixed - Support for spaces in directory names (fixes #76) - Support relative directories as argument to `--texmfhome` ## [2018-09-23] ### Changed - Entries in `scriptfiles` are excluded from `installfiles` - Use a per-config directory for running tests - Enable use of local `texmf.cnf` file in tests and documentation - New `ctanreadme` variable ## [2018-09-21] ### Changed - Normalise date lines to contain "...-..-.." rather than removing (including normalising version data in such lines): note that `.tlg` file updates may be required after this change - Explicitly exclude `.fd` file lines ## [2018-08-07] ### Changed - Suppress file name info in PDF output for included images, etc. ### Fixed - Issue with creation of CTAN releases for bundles ## [2018-08-04] ### Added - `ctanzip` variable - `--full` option ### Changed - Run PDF-based tests for all engines - Tweaks to PDF-based normalisation: new `.tpf` files will be required - The `--halt-on-error|-H` setting now applies to multiple configs ### Fixed - Testing using `.lve` files - Tagging with new approach to top-level targets ## [2018-08-02] ### Added - `CHANGELOG.md` - `--dirty` option - `includetests` and `excludetests` variables for controlling which tests run - `target_list` table to allow control of targets without redefining `main()` ### Changed - PDF-based testing now uses 'digested' PDF file for comparison, working from dedicated `.pvt` input files ### Removed - `--pdf|-p` command line switch ## [2018-05-10] ### Changed - Revert appearance of date lines in `.tlg` files: this is on balance problematic ## [2018-05-06] ### Added - Variable `dynamicfiles` to be cleaned between each test run ### Changed - Normalise dates to placeholder "YYYY-MM-DD": may require `.tlg` updates ### Fixed - Include dot files in `tree()` (fixes #30) ## [2018-03-26] ### Changed - Omit ISO date lines in `.tlg` files ## [2018-03-24] ### Changed - Allow 'short cut' of check runs - Support for upcoming LaTeX kernel release functions ## [2018-03-10] ### Changed - Add `#!` line for POSIX users - Set POSIX u+x on `l3build.lua` ### Fixed - Handling of script name with or without extension ## [2018-03-09] ### Fixed - Pass through script name correctly with new set up ## [2018-03-08] ### Added - Target `tag`, variable `tagfiles` and function `update_tag()` - Variables `scriptfiles` and `scriptmanfiles` to support installation of scripts ### Changed - `l3build` can now be run as a top-level script rather than using `texlua build.lua ...` - Normalisation of LuaTeX-derived `tlg` files, in preparation for TeX Live 2018 ### Deprecated - Use of wrapper `build.lua` script to call `l3build`: the new top-level script approach is preferred ### Removed - Target `setversion` and variable `versionfiles` ## [2018-02-20] ### Changed - Allow for `checkopts` adding code/files ### Fixed - Creation of 'structured' CTAN releases - Quote test names correctly ## [2018-01-27] ### Added - Target `uninstall` - Options `--first` and `--last` ## Changed - Normalisation for upcoming LuaTeX 1.07 release ### Fixed - Behaviour of check on Windows when using standard `fc` tool ## [2018-01-10] ## Added - Target `manifest` for construction of file manifests automatically - Variable `auxfiles` - Option `--dry-run` for installation/cleaning - Option `--texmfhome` to allow customisation of installation - Option `--shuffle` to run tests in a random order ### Changed - Sort list of tests to avoid system-dependent ordering - Split `l3build` into multiple files for improved maintenance ### Fixed - Issue with `recordstatus` ### Removed - Rationalise short option names: removed `-d`, `-E`, `-r` - Target `cmdcheck`: specific to LaTeX kernel work [Unreleased]: https://github.com/latex3/l3build/compare/2024-10-16...HEAD [2024-10-16]: https://github.com/latex3/l3build/compare/2024-10-08...2024-10-16 [2024-10-08]: https://github.com/latex3/l3build/compare/2024-05-27...2024-10-08 [2024-05-27]: https://github.com/latex3/l3build/compare/2024-02-08...2024-05-27 [2024-02-08]: https://github.com/latex3/l3build/compare/2024-01-18...2024-02-08 [2024-01-18]: https://github.com/latex3/l3build/compare/2024-01-09...2024-01-18 [2024-01-09]: https://github.com/latex3/l3build/compare/2024-01-04...2024-01-09 [2024-01-04]: https://github.com/latex3/l3build/compare/2023-12-15...2024-01-04 [2023-12-15]: https://github.com/latex3/l3build/compare/2023-12-13-2...2023-12-15 [2023-12-13-2]: https://github.com/latex3/l3build/compare/2023-12-13...2023-12-13-2 [2023-12-13]: https://github.com/latex3/l3build/compare/2023-12-12...2023-12-13 [2023-12-12]: https://github.com/latex3/l3build/compare/2023-11-01...2023-12-12 [2023-11-01]: https://github.com/latex3/l3build/compare/2023-09-13...2023-11-01 [2023-09-13]: https://github.com/latex3/l3build/compare/2023-09-07...2023-09-13 [2023-09-07]: https://github.com/latex3/l3build/compare/2023-09-05...2023-09-07 [2023-09-05]: https://github.com/latex3/l3build/compare/2023-07-20...2023-09-05 [2023-07-20]: https://github.com/latex3/l3build/compare/2023-07-17...2023-07-20 [2023-07-17]: https://github.com/latex3/l3build/compare/2023-03-27...2023-07-17 [2023-03-27]: https://github.com/latex3/l3build/compare/2023-03-22...2023-03-27 [2023-03-22]: https://github.com/latex3/l3build/compare/2023-03-08...2023-03-22 [2023-03-08]: https://github.com/latex3/l3build/compare/2023-02-26...2023-03-08 [2023-02-26]: https://github.com/latex3/l3build/compare/2023-02-20...2023-02-26 [2023-02-20]: https://github.com/latex3/l3build/compare/2023-02-16...2023-02-20 [2023-02-16]: https://github.com/latex3/l3build/compare/2022-11-10...2023-02-16 [2022-11-10]: https://github.com/latex3/l3build/compare/2022-09-15...2022-11-10 [2022-09-15]: https://github.com/latex3/l3build/compare/2022-04-19...2022-09-15 [2022-04-19]: https://github.com/latex3/l3build/compare/2022-04-12...2022-04-19 [2022-04-12]: https://github.com/latex3/l3build/compare/2022-03-15...2022-04-12 [2022-03-15]: https://github.com/latex3/l3build/compare/2022-02-24...2022-03-15 [2022-02-24]: https://github.com/latex3/l3build/compare/2021-12-14...2022-02-24 [2021-12-14]: https://github.com/latex3/l3build/compare/2021-12-09...2021-12-14 [2021-12-09]: https://github.com/latex3/l3build/compare/2021-12-06...2021-12-09 [2021-12-06]: https://github.com/latex3/l3build/compare/2021-11-29...2021-12-06 [2021-11-29]: https://github.com/latex3/l3build/compare/2021-11-24...2021-11-29 [2021-11-24]: https://github.com/latex3/l3build/compare/2021-11-12...2021-11-24 [2021-11-12]: https://github.com/latex3/l3build/compare/2021-08-28...2021-11-12 [2021-08-28]: https://github.com/latex3/l3build/compare/2021-08-27...2021-08-28 [2021-08-27]: https://github.com/latex3/l3build/compare/2021-05-06...2021-08-27 [2021-05-06]: https://github.com/latex3/l3build/compare/2021-05-05...2021-05-06 [2021-05-05]: https://github.com/latex3/l3build/compare/2020-06-04...2021-05-05 [2020-06-04]: https://github.com/latex3/l3build/compare/2020-03-25...2020-06-04 [2020-03-25]: https://github.com/latex3/l3build/compare/2020-03-16...2020-03-25 [2020-03-16]: https://github.com/latex3/l3build/compare/2020-03-13...2020-03-16 [2020-03-13]: https://github.com/latex3/l3build/compare/2020-03-12...2020-03-13 [2020-03-12]: https://github.com/latex3/l3build/compare/2020-02-21...2020-03-12 [2020-02-21]: https://github.com/latex3/l3build/compare/2020-02-17...2020-02-21 [2020-02-17]: https://github.com/latex3/l3build/compare/2020-02-03...2020-02-17 [2020-02-03]: https://github.com/latex3/l3build/compare/2020-01-14...2020-02-03 [2020-01-14]: https://github.com/latex3/l3build/compare/2019-11-27...2020-01-14 [2019-11-27]: https://github.com/latex3/l3build/compare/2019-11-01...2019-11-27 [2019-11-01]: https://github.com/latex3/l3build/compare/2019-10-02...2019-11-01 [2019-10-02]: https://github.com/latex3/l3build/compare/2019-09-30...2019-10-02 [2019-09-30]: https://github.com/latex3/l3build/compare/2019-09-29...2019-09-30 [2019-09-29]: https://github.com/latex3/l3build/compare/2019-09-28...2019-09-29 [2019-09-28]: https://github.com/latex3/l3build/compare/2019-09-25...2019-09-28 [2019-09-25]: https://github.com/latex3/l3build/compare/2019-09-18...2019-09-25 [2019-09-18]: https://github.com/latex3/l3build/compare/2019-09-14...2019-09-18 [2019-09-14]: https://github.com/latex3/l3build/compare/2019-08-24...2019-09-14 [2019-08-24]: https://github.com/latex3/l3build/compare/2019-07-31...2019-08-24 [2019-07-31]: https://github.com/latex3/l3build/compare/2019-07-30...2019-07-31 [2019-07-30]: https://github.com/latex3/l3build/compare/2019-06-27...2019-07-30 [2019-06-27]: https://github.com/latex3/l3build/compare/2019-06-26...2019-06-27 [2019-06-26]: https://github.com/latex3/l3build/compare/2019-06-18...2019-06-26 [2019-06-18]: https://github.com/latex3/l3build/compare/2019-02-10...2019-06-18 [2019-02-10]: https://github.com/latex3/l3build/compare/2019-02-06...2019-02-10 [2019-02-06]: https://github.com/latex3/l3build/compare/2018-12-23...2019-02-06 [2018-12-23]: https://github.com/latex3/l3build/compare/2018-12-18...2018-12-23 [2018-12-18]: https://github.com/latex3/l3build/compare/2018-11-08...2018-12-18 [2018-11-08]: https://github.com/latex3/l3build/compare/2018-10-30...2018-11-08 [2018-10-30]: https://github.com/latex3/l3build/compare/2018-10-25...2018-10-30 [2018-10-25]: https://github.com/latex3/l3build/compare/2018-09-26...2018-10-25 [2018-09-26]: https://github.com/latex3/l3build/compare/2018-09-23...2018-09-26 [2018-09-23]: https://github.com/latex3/l3build/compare/2018-09-21...2018-09-23 [2018-09-21]: https://github.com/latex3/l3build/compare/2018-08-07...2018-09-21 [2018-08-07]: https://github.com/latex3/l3build/compare/2018-08-04...2018-08-07 [2018-08-04]: https://github.com/latex3/l3build/compare/2018-08-02...2018-08-04 [2018-08-02]: https://github.com/latex3/l3build/compare/2018-05-10...2018-08-02 [2018-05-10]: https://github.com/latex3/l3build/compare/2018-05-06...2018-05-10 [2018-05-06]: https://github.com/latex3/l3build/compare/2018-03-26...2018-05-06 [2018-03-26]: https://github.com/latex3/l3build/compare/2018-03-24...2018-03-26 [2018-03-24]: https://github.com/latex3/l3build/compare/2018-03-10...2018-03-24 [2018-03-10]: https://github.com/latex3/l3build/compare/2018-03-09...2018-03-10 [2018-03-09]: https://github.com/latex3/l3build/compare/2018-03-08...2018-03-09 [2018-03-08]: https://github.com/latex3/l3build/compare/2018-02-20...2018-03-08 [2018-02-20]: https://github.com/latex3/l3build/compare/2018-01-27...2018-02-20 [2018-01-27]: https://github.com/latex3/l3build/compare/2018-01-10...2018-01-27 [2018-01-10]: https://github.com/latex3/l3build/compare/2017-12-12...2018-01-10