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MPLR 2026 Call for Papers
by stephane ducasse Nov. 13, 2025

Nov. 13, 2025

Dear Smalltalk friends Please find the following conference call for papers that can interest you. If you know other forums that could be interested in virtual machines, compilers â¦. do not hesitate to forward this call. S. Ducasse and C. Scholliers PC chair of MPLR 26 ################################################################################## The 23rd International Conference on Managed Programming Languages & Runtimes (MPLR, formerly ManLang, originally PPPJ) is a premier forum for presenting and discussing novel results in all aspects of managed programming languages and runtime systems, which serve as building blocks for some of the most important computing systems in use, ranging from small-scale (embedded and real-time systems) to large-scale (cloud-computing and big-data platforms) and anything in between (desktop, mobile, IoT, and wearable applications). https://2026.ecoop.org/home/mplr-2026 Important Dates --------------- - Abstract Submission Deadline: February 27, 2026 - Paper Submission Deadline: March 6, 2026 - Paper Author Notification: April 15, 2026 - Camera Ready for Papers: April 30, 2026 - Conference Date: June 29, 2026 All deadlines are 23:59 AoE (UTC-12h). #### Topics The areas of interest related to managed programming languages and runtime systems include but are not limited to: - **Virtual Machines** - Portable intermediate representations (e.g., JVM, WebAssembly, RPython, ...) - Managed runtime systems (e.g., GraalVM, Android Runtime (ART), V8, JavaScriptCore, .NET, â¦) - VM design and optimization - VMs for mobile and embedded devices - VMs for real-time applications - Memory management and garbage collection - Hardware/software co-design - Domain-specific languages - Security and privacy - Persistence - **Languages and Compilers** - Managed languages - Compilers and interpreters - Type systems and program logics - Language interoperability - Parallelism, distribution, and concurrency - **Techniques, Tools, and Applications** - Static and dynamic program analysis - Testing and debugging - Simulation - Refactorings - Program synthesis - Performance analysis and monitoring - Compiler and program verification and model checking If you are unsure whether a particular topic falls within the scope of MPLR â26 or if you have any other questions, please do not hesitate to contact the Program Chair. #### Submission Categories MPLR accepts three types of submissions: - **Regular research papers**, describing novel contributions involving managed language platforms. Research papers will be evaluated based on their relevance, novelty, technical rigor, and contribution to the state-of-the-art. (Format: up to 12 pages, excluding bibliography and appendix); - **Work-in-progress research papers**, describing hot topics or promising new ideas, with perhaps less maturity than full papers. Work-in-progress papers will be evaluated with an emphasis on novelty and the potential of the new ideas instead of technical rigor and experimental results. (Format: up to 6 pages, excluding bibliography and appendix); - **Industry and tool papers**, presenting technical challenges and solutions for managed language platforms in the context of deployed applications and systems. Industry and tool papers will be evaluated on their relevance, usefulness, and results. Suitability for demonstration and availability will also be considered for tool papers. (Format: up to 6 pages, excluding bibliography and appendix; up to 12 pages allowed if justified by the content); Accepted submissions will be published in the ACM Digital Library, except if the authors prefer not to be included. MPLR 2026 submissions must conform to the ACM Policy on Prior Publication and Simultaneous Submissions and to the SIGPLAN Republication Policy. See http://www.sigplan.org/Resources/Policies/Republication #### Author Instructions Submissions need to use the ACM SIGPLAN format with the `sigplan` style. If you are using LaTeX, submissions need to use the `acmart` document class with the `sigplan` option (*not* the `sigconf` option). In the `acmart-primary.zip` file that downloads from the LaTeX (Version 1.90) link on the https://www.acm.org/publications/proceedings-template page, look for `samples/sample-sigplan.tex` as a guide. If you use Overleaf, be sure to change the `documentclass` option `manuscript` to `sigplan`. For ease of reviewing, please include page numbers in your submission using the LaTeX command `\settopmatter{printfolios=true}`. Please use the standard setting, e.g., the default font size for the SIGPLAN style is 10 point and the format uses two columns for the test. All submissions need to be in PDF format. MPLR now uses **double-blind reviewing**. **Authors should not show their names on a submission and should refer to their own work in third person.** We further recommend that they avoid publicizing the work, at least under the same or similar title, while it is under review. Please also ensure that your submission is legible when printed on a black and white printer. In particular, please check that colors remain distinct and font sizes are legible. Submission Site: https://mplr26.hotcrp.com

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Pharo News of the Week 44/2025
by Marcus Denker Oct. 31, 2025

Oct. 31, 2025

# Pharo News of the Week 44/2025 [Paper] Coypu: Gnawing Music On-The-Fly With Pharo https://zenodo.org/records/15528063 New wanted! You can add your news to this list (that is, next week) using this form: https://tinyurl.com/4c89buy4 # The week on the Pharo Issue Tracker # Pharo 12 - Pharo 12 backport: fix cache flush SystemDictionary>>#add: #18807 https://github.com/pharo-project/pharo/pull/18807 - P12 - 18785-OmTimeStampSuffixStrategy-could-generate-duplicated-values #18786 https://github.com/pharo-project/pharo/pull/18786 # Pharo 13 - Update Spec to v2.0.4 in P13 #18776 https://github.com/pharo-project/pharo/pull/18776 - P13-18785-OmTimeStampSuffixStrategy-could-generate-duplicated-values #18787 https://github.com/pharo-project/pharo/pull/18787 - Re-add SpWindowPresenter>>#restore. #1837 https://github.com/pharo-spec/Spec/pull/1837 - Update paginator when switching themes #1835 https://github.com/pharo-spec/Spec/pull/1835 - Morhic adapter: use #when:do:for: instead of #when:do: #1834 https://github.com/pharo-spec/Spec/pull/1834 # Fixes - Fix initialization of Clipboard #18809 https://github.com/pharo-project/pharo/pull/18809 - Fix for the browser line number parameter #18775 https://github.com/pharo-project/pharo/pull/18775 - Update text fields background color when switching themes #18740 https://github.com/pharo-project/pharo/pull/18740 - fix some clap glitches #18694 https://github.com/pharo-project/pharo/pull/18694 # Refactoring Engine - More efficient feedback for ReRenameClassrefactoring #18626 https://github.com/pharo-project/pharo/pull/18626 - Improvement of ReTemporaryToInstanceVariableRefactoring #18654 https://github.com/pharo-project/pharo/pull/18654 # Newtools - Cut dependency of Monticello to UIManager #1271 https://github.com/pharo-spec/NewTools/pull/1271 - Pass the application in Cavrois #1270 https://github.com/pharo-spec/NewTools/pull/1270 - Add back the build number in the about. #1269 https://github.com/pharo-spec/NewTools/pull/1269 - move wrong class-side methods to instance-side #1268 https://github.com/pharo-spec/NewTools/pull/1268 - add an accessor for application in morphs #1267 https://github.com/pharo-spec/NewTools/pull/1267 - Fixing some CmCommandAborted should be pass an application!!!!! #1266 https://github.com/pharo-spec/NewTools/pull/1266 # Spec - add an API to take snapshot of a presenter in PNG #1794 https://github.com/pharo-spec/Spec/pull/1794 - Re-add SpWindowPresenter>>#restore. #1836 https://github.com/pharo-spec/Spec/pull/1836 - Morhic adapter: use #when:do:for: instead of #when:do: #1833 https://github.com/pharo-spec/Spec/pull/1833 - Making sure that cm2 commands with their spec extensions can talk to the application #1831 https://github.com/pharo-spec/Spec/pull/1831 - Update paginator when switching themes #1829 https://github.com/pharo-spec/Spec/pull/1829 - fix the finder focus bug #1824 https://github.com/pharo-spec/Spec/pull/1824 # Cleanup Dependencies /Bootstrap / Morphic Cleanup - Remove dependency of Monticello to the UIManager #18796 https://github.com/pharo-project/pharo/pull/18796 - Clean multiple dependencies #18789 https://github.com/pharo-project/pharo/pull/18789 - Old ring chunk importer should depend on Ring-Definition-Core #18782 https://github.com/pharo-project/pharo/pull/18782 - Introduce BaselineOfFonts #18779 https://github.com/pharo-project/pharo/pull/18779 - Move loading of the UIManager to hermes phase by cutting the last dependencies to it in the kernel #18772 https://github.com/pharo-project/pharo/pull/18772 - Clean multiple dependencies to reduce dependencies to Morphic #18770 https://github.com/pharo-project/pharo/pull/18770 - Rename System-BasicCommandLineHandler to System-CommandLineHandler #18768 https://github.com/pharo-project/pharo/pull/18768 - Reduce depenencies to UIManager #18766 https://github.com/pharo-project/pharo/pull/18766 - Move loading of NumberParser to hermes phase #18765 https://github.com/pharo-project/pharo/pull/18765 - Cleanup in the first bootstrap packages #18763 https://github.com/pharo-project/pharo/pull/18763 - Merge System-CommandLineHandler and System-BasicCommandLineHandler #18761 https://github.com/pharo-project/pharo/pull/18761 - Simplify bootstrap scripts #18756 https://github.com/pharo-project/pharo/pull/18756 - Move loading of FileSystem-Path to Hermes phase #18754 https://github.com/pharo-project/pharo/pull/18754 - Move loading of Collections-Stack to Hermes phase #18753 https://github.com/pharo-project/pharo/pull/18753 - Cleaning of the bootstrap and of Pharo dependencies #18737 https://github.com/pharo-project/pharo/pull/18737 - Clean number printing #18705 https://github.com/pharo-project/pharo/pull/18705 # Inform related cleans - Fixes: #18757 #18759 https://github.com/pharo-project/pharo/pull/18759 - Fix #18758 / Fixes #18758 #18764 https://github.com/pharo-project/pharo/pull/18764 # Tests - improved #testAddFlushesClassCaches #18808 https://github.com/pharo-project/pharo/pull/18808

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Pharo News of the Week 43/2025
by Marcus Denker Oct. 28, 2025

Oct. 28, 2025

# Pharo News of the Week 43/2025 News wanted! You can add your news to this list (that is, for next week) using this form: https://tinyurl.com/4c89buy4 # The week on the Pharo Issue Tracker # Pharo 11 - Faster Implementation for Step Through in P11 #18698 https://github.com/pharo-project/pharo/pull/18698 - Backport Ph11 for #18716 - Fix: #18702 by making OCBlockScope >> inComingCopiedVarNames consistent to Set inconsistent results #18726 https://github.com/pharo-project/pharo/pull/18726 # Pharo 12 - Backport Ph12 for #18716 - Fix: #18702 by making OCBlockScope >> inComingCopiedVarNames consistent to Set inconsistent results #18725 https://github.com/pharo-project/pharo/pull/18725 # Pharo 13 - Backport Ph13 for #18716 - Fix: #18702 by making OCBlockScope >> inComingCopiedVarNames consistent to Set inconsistent results #18724 https://github.com/pharo-project/pharo/pull/18724 - Update Toplo World Menu entry to load 'Pharo13' branch #18709 https://github.com/pharo-project/pharo/pull/18709 # Fixes - Fix issue #18598: Duplicating a class fails to log methods in Epicea (clean) #18706 https://github.com/pharo-project/pharo/pull/18706 # Refactoring Engine - Refactoring engine UI fixes #18728 https://github.com/pharo-project/pharo/pull/18728 - Adding tests for RBProtectInstanceVariableRefactoring #18715 https://github.com/pharo-project/pharo/pull/18715 # Compiler - Fix: #18702 by making OCBlockScope >> inComingCopiedVarNames consistent to Set inconsistent results #18716 https://github.com/pharo-project/pharo/pull/18716 - Simplify the registering of OpalCompiler #18710 https://github.com/pharo-project/pharo/pull/18710 # Debugger - Faster implementation for StepThrough in P14 #18693 https://github.com/pharo-project/pharo/pull/18693 # Bootrap - Add class initialization in Hermes #18680 https://github.com/pharo-project/pharo/pull/18680 # Cleanup - Morphic: Deprecate some scrollers and tabs #18677 https://github.com/pharo-project/pharo/pull/18677 - Move RunArrayTest #18712 https://github.com/pharo-project/pharo/pull/18712 - Move model update methods from Object to System-Model #18714 https://github.com/pharo-project/pharo/pull/18714 - Remove class added accidentally #18717 https://github.com/pharo-project/pharo/pull/18717 - Remove double registration of OSEnvironment to SessionManager #18723 https://github.com/pharo-project/pharo/pull/18723 - Simplify Metacello scripting mecanism #18665 https://github.com/pharo-project/pharo/pull/18665

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Pharo News of the Week 42/2025
by Marcus Denker Oct. 20, 2025

Oct. 20, 2025

# Pharo News of the Week 42/2025 - [Video] Pharo : 1. Introduction to Pharo & Counter App https://www.youtube.com/watch?v=cdWNlGD_FzQ - [ANN] Coypu is now listed on https://github.com/toplap/awesome-livecoding If you want to add your news to this list, use this form: https://tinyurl.com/4c89buy4 # The week on the Pharo Issue Tracker # Pharo13 - P13 backport: Alternative fix to the Epicea naming hack #18664 https://github.com/pharo-project/pharo/pull/18664 # Features - Allow using symbols in #reduce: and #inject:into: #18510 https://github.com/pharo-project/pharo/pull/18510 - Add an inspection of Clap match using Roassal #18650 https://github.com/pharo-project/pharo/pull/18650 # Fixes - Add back removed method #18701 https://github.com/pharo-project/pharo/pull/18701 - fix eval command use of OPbject>>#inform #18687 https://github.com/pharo-project/pharo/pull/18687 # Compiler - fix compiler plugin call of semantic analysis #18699 https://github.com/pharo-project/pharo/pull/18699 - Add first version of DebugInfo object #18644 https://github.com/pharo-project/pharo/pull/18644 # Epicea/FileOut - Reintroducing the openFileInOS feature for the fileout #18676 https://github.com/pharo-project/pharo/pull/18676 - Fixing saving of protocole + unskip the tests #18696 https://github.com/pharo-project/pharo/pull/18696 # Refactoring - ReExtractMethodDriver fixes from Balsa's review #18685 https://github.com/pharo-project/pharo/pull/18685 - Generic nonViolators for ReConditions (retry) #18651 https://github.com/pharo-project/pharo/pull/18651 # FFI - UnifiedFFI refactors for compatibility #18660 https://github.com/pharo-project/pharo/pull/18660 # Cleanup - Cavrois Removing Object >> inform: usage We will fix it later #1264 https://github.com/pharo-spec/NewTools/pull/1264 - fix bad initialisation of StFileBrowserAbstractPresenter hierarchy #1261 https://github.com/pharo-spec/NewTools/pull/1261 - Cleanup: remove an override of #== #1253 https://github.com/pharo-spec/NewTools/pull/1253 - Less UIManager default (in Calypso and Epicea) #18662 https://github.com/pharo-project/pharo/pull/18662 - Make sure that we move on Morphic fading out. #18657 https://github.com/pharo-project/pharo/pull/18657 # Packaging improvements - Move ProvideAnswerNotification to Morphic core #18683 https://github.com/pharo-project/pharo/pull/18683 - Move Float print policies and #printOn:base: to System-NumberPrinting #18692 https://github.com/pharo-project/pharo/pull/18692 - Simplify BaselineOfMorphic post loads (first step) #18690 https://github.com/pharo-project/pharo/pull/18690 # CI - add back execution permission to shell scripts #18681 https://github.com/pharo-project/pharo/pull/18681 - Add test to ensure we do not depend on deprecated package #18643 https://github.com/pharo-project/pharo/pull/18643 - Make testStepToNextCallInClassNeverFinishes a bit more robust #1265 https://github.com/pharo-spec/NewTools/pull/1265 # Documentation - fix:#18658 convert comments into examples #18659 https://github.com/pharo-project/pharo/pull/18659 - fixing announcement doc to use recent class syntax #18700 https://github.com/pharo-project/pharo/pull/18700 - Add documentation on Clap #18663 https://github.com/pharo-project/pharo/pull/18663 - typos in clap documentation #18671 https://github.com/pharo-project/pharo/pull/18671

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Pharo News of the Week 41/2025
by Marcus Denker Oct. 10, 2025

Oct. 10, 2025

# Pharo News of the Week 41/2025 - [ANN] Workshop: Programming Music and Synthesizers on-the-fly with Pharo - Audio Developer Conference 10 Nov https://conference.audio.dev/session/2025/programming-music-and-synthesizer… If you want to add your news to this list, use this form: https://tinyurl.com/4c89buy4 # The week on the Pharo Issue Tracker # Pharo 12 - Backport addition of #deviceScale: and #deviceScaleX:y: on AthensCairoSurface to Pharo 12 #18634 https://github.com/pharo-project/pharo/pull/18634 # Pharo 13 - Backport: Push the #new: of Array up to ArrayedCollection #18638 https://github.com/pharo-project/pharo/pull/18638 - P13-update-iceberg-version #18636 https://github.com/pharo-project/pharo/pull/18636 - Backport addition of #deviceScale: and #deviceScaleX:y: on AthensCairoSurface #18633 https://github.com/pharo-project/pharo/pull/18633 - P13-fix-metacello-checkout-of-gitlab-subprojects by tesonep Â· Pull Request #1980 Â· pharo-vcs/iceberg https://github.com/pharo-vcs/iceberg/pull/1980 # UI - Ux fix for the strange browser toggle buttons #17929 https://github.com/pharo-project/pharo/pull/17929 # Fixes - Fix testcase announcements #18617 https://github.com/pharo-project/pharo/pull/18617 - [Instrumentation] Added few more methods to make the instrumentation safe #18632 https://github.com/pharo-project/pharo/pull/18632 - Fix issues 11065, equality fix cause key order aren't include in equâ¦ #18199 https://github.com/pharo-project/pharo/pull/18199 - Fix test resize #1826 https://github.com/pharo-spec/Spec/pull/1826 # Tools - Cleanup log. #1256 https://github.com/pharo-spec/NewTools/pull/1256 - Dependency Analyser: enables the action if items are valid #1258 https://github.com/pharo-spec/NewTools/pull/1258 # Improvements - Bag counts #18631 https://github.com/pharo-project/pharo/pull/18631/files - Improve source management #18621 https://github.com/pharo-project/pharo/pull/18621 - Fixing cursor movements between lines + Improvement editor actions model + adding editor test cases + improving editor tests builders #18511 https://github.com/pharo-project/pharo/pull/18511 # Command Line - use perform command as default command line handler #18615 https://github.com/pharo-project/pharo/pull/18615 - Clean old command line handler #18639 https://github.com/pharo-project/pharo/pull/18639 # Iceberg / Git - Remove fileout from snapshot browser #1982 https://github.com/pharo-vcs/iceberg/pull/1982 - P14-fix-metacello-checkout-of-gitlab-subprojects #1981 https://github.com/pharo-vcs/iceberg/pull/1981 - Pressing enter when cloning a repository is bind to ok button now #1979 https://github.com/pharo-vcs/iceberg/pull/1979 # Cleanup - Cleanup methods #18271 https://github.com/pharo-project/pharo/pull/18271 - Fix undeclared reference #18646 https://github.com/pharo-project/pharo/pull/18646 - Added the lost return #18640 https://github.com/pharo-project/pharo/pull/18640 - Fix #18550: Inconsistent accessor naming in EnlumineurFormatter #18550 Edit New issue #18552 https://github.com/pharo-project/pharo/pull/18552 - Do not depend on Smalltalk but on SystemVersion #1257 https://github.com/pharo-spec/NewTools/pull/1257 # Comments - more meaning full method comments! #18629 https://github.com/pharo-project/pharo/pull/18629

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Pharo News of the Week 40/2025
by Marcus Denker Oct. 6, 2025

Oct. 6, 2025

# Pharo News of the Week 40/2025 - [ANN] Call for talks for Smalltalks 2025 has been extended until October 6th. https://smalltalks2025.fast.org.ar/ - [ANN] Smalltalk Meetup in Zurich, 31 October 2025 https://zurich.smalltalk.world/ If you want to add your news to this list, use this form: https://tinyurl.com/4c89buy4 # The week on the Pharo Issue Tracker # Pharo 12 - Updating version of NewTools to Fix #16827 #18619 https://github.com/pharo-project/pharo/pull/18619 - [P12] Fix Issue 16827: Method version history timestamp always shows a wired date #1255 https://github.com/pharo-spec/NewTools/pull/1255 - backport12: #18606 ByteArray-initialize #18609 https://github.com/pharo-project/pharo/pull/18609 # Pharo 13 - Use Iceberg v2.4.4 #18614 https://github.com/pharo-project/pharo/pull/18614 - Improving the hack for handling the impresion of DateAndTime in Windows #18623 https://github.com/pharo-project/pharo/pull/18623 - Do not add a default repository group if it is already present, #1976 https://github.com/pharo-vcs/iceberg/pull/1976 - RemoteModel should define repositoryModel (explicit trait requirement) #1917 https://github.com/pharo-vcs/iceberg/pull/1917 # Speed - Push the #new: of Array up to ArrayedCollection. #18606 https://github.com/pharo-project/pharo/pull/18606 # Spec - Bug fix: Apply box layout spacing in SpMorphicBoxAdapter>>#verifyBoxExtentOf:withChild: #1825 https://github.com/pharo-spec/Spec/pull/1825 - Fix SpMorphicBoxAdapter>>#verifyBoxExtentOf:withChild: to only add border width/height when adding the first child morph instead of adding border width/height for every child morph #1820 https://github.com/pharo-spec/Spec/pull/1820 # Tools - Remove StPulse from NewTools Preview #1250 https://github.com/pharo-spec/NewTools/pull/1250 - Alternative fix to the Epicea naming hack #18627 https://github.com/pharo-project/pharo/pull/18627 - Find & Replace keeps options between instances #18608 https://github.com/pharo-project/pharo/pull/18608 - Find and Replace noew remembers the last entered text for both find and replace texts. #18605 https://github.com/pharo-project/pharo/pull/18605 - Port forward PR from P13: Find and replace not stuck with old string anymore #18604 https://github.com/pharo-project/pharo/pull/18604 # Git / Iceberg - Pharo14: Do not add a default repository group if it is already present, #1978 https://github.com/pharo-vcs/iceberg/pull/1978 - Port forward #1917 #1977 https://github.com/pharo-vcs/iceberg/pull/1977 - Refresh Iceberg UI when switching tabs #1975 https://github.com/pharo-vcs/iceberg/pull/1975 - Added Browse command to CheckoutPreviewBrowser #1974 https://github.com/pharo-vcs/iceberg/pull/1974 - Edit metadata project confusion removed #1972 https://github.com/pharo-vcs/iceberg/pull/1972 - Using existing locations as default ones and tests #1953 https://github.com/pharo-vcs/iceberg/pull/1953 # Fixes - Improving the hack for handling the impresion of DateAndTime in Windows #18624 https://github.com/pharo-project/pharo/pull/18624 - Fix 2 bugs in the calculation of topLeft in FTTableMorph>>#resizeContainer #18611 https://github.com/pharo-project/pharo/pull/18611 # Cleanup - remove basic Hermes command #18587 https://github.com/pharo-project/pharo/pull/18587 - Cleaning of DateAndTime #18602 https://github.com/pharo-project/pharo/pull/18602 - Move #hasBindingThatBeginsWith: to Shout #17932 https://github.com/pharo-project/pharo/pull/17932

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Pharo News of the Week 39/2025
by Marcus Denker Sept. 26, 2025

Sept. 26, 2025

# Pharo News of the Week 39/2025 - [ANN] RediStick v3.1.0 is now available! The Redis client for Pharo Smalltalk now supports RedisJSON APIs, enabling proper JSON data type handling instead of just strings. This makes Redis a powerful document store option for Smalltalk developers. https://github.com/mumez/RediStick/blob/master/doc/Json.md If you want to add your news to this list, use this form: https://tinyurl.com/4c89buy4 # The week on the Pharo Issue Tracker # Pharo 12 - Backport addition of #isValid on SDL2Handle to Pharo 12 #18596 https://github.com/pharo-project/pharo/pull/18596 - Backport changes making #tagNames: on MCOrganizationDefinition ensure the tag names are symbols to Pharo 12 #18590 https://github.com/pharo-project/pharo/pull/18590 # Pharo 13 - Backport changes making #tagNames: on MCOrganizationDefinition ensure the tag names are symbols #18589 https://github.com/pharo-project/pharo/pull/18589 # Fixes - OSWindow-SDL2: setCursor if window is focused and when focus is gained #18304 https://github.com/pharo-project/pharo/pull/18304 - Handle short-form #rgb[a] colors in Color #18575 https://github.com/pharo-project/pharo/pull/18575 - Add back methods needed for SmalltalkCI #18594 https://github.com/pharo-project/pharo/pull/18594 - Worker thread should be unique, fix random failing tests #18591 https://github.com/pharo-project/pharo/pull/18591 - workers identified by name should be uniqu #18548 https://github.com/pharo-project/pharo/pull/18548 # Compiler - Improve UndeclaredVariable error #18500 https://github.com/pharo-project/pharo/pull/18500 - OpalCompiler should not depend on Roassal #18576 https://github.com/pharo-project/pharo/pull/18576 # Iceberg / Git - Enable / disbale commit button while commiting something #1973 https://github.com/pharo-vcs/iceberg/pull/1973 - Fix inspector #1970 https://github.com/pharo-vcs/iceberg/pull/1970 # Launcher - Fix typo laucher into launcher #723 https://github.com/pharo-project/pharo-launcher/pull/723 # Command Line - allow clap command line handler to activate itself or not #18544 https://github.com/pharo-project/pharo/pull/18544 # Tools - Fix typo in ProfSteph #1244 https://github.com/pharo-spec/NewTools/pull/1244 - Update Graph Algorithms version #1249 https://github.com/pharo-spec/NewTools/pull/1249 - Fix release tests of Pharo #1248 https://github.com/pharo-spec/NewTools/pull/1248 - Update version of graph algorithms #1247 https://github.com/pharo-spec/NewTools/pull/1247 - Remove NewTools-ObjectCentricBreakpoints #1246 https://github.com/pharo-spec/NewTools/pull/1246 - Adding a new fetcher and fixing the transitive one #18580 https://github.com/pharo-project/pharo/pull/18580 - Fix #18557: Unexpected behavior when storing and loading code quality rule settings from files #18566 https://github.com/pharo-project/pharo/pull/18566 - Find and replace not stuck with old string anymore #18565 https://github.com/pharo-project/pharo/pull/18565 # Monticello / Metacello - Make #tagNames: on MCOrganizationDefinition ensure the tag names are symbols #18588 https://github.com/pharo-project/pharo/pull/18588 - Introduced MetacelloAbstractSpecGenerator #18593 https://github.com/pharo-project/pharo/pull/18593 - Remove Metacello dead code #18586 https://github.com/pharo-project/pharo/pull/18586 - Clean Metacello tests #18585 https://github.com/pharo-project/pharo/pull/18585 - Metacello cleanup #18569 https://github.com/pharo-project/pharo/pull/18569 - Small cleanup of Metacello/Monticello #18568 https://github.com/pharo-project/pharo/pull/18568 # Refactoring Engine - Fixed the duplicate class refactoring wrong message #17941 https://github.com/pharo-project/pharo/pull/17941 - [Refactorings] ReExtractMethodDriver complies with the architecture of drivers #18561 https://github.com/pharo-project/pharo/pull/18561 - Remove rb xxx #17970 https://github.com/pharo-project/pharo/pull/17970 # Cleanup - repackage tools needed for bootsrap #18567 https://github.com/pharo-project/pharo/pull/18567 - Fix a failing test #18581 https://github.com/pharo-project/pharo/pull/18581 - Remove tests of deprecated methods #18584 https://github.com/pharo-project/pharo/pull/18584 - Remove methods overriding the same methods in Pharo #1821 https://github.com/pharo-spec/Spec/pull/1821 - Remove duplicated ProfStef #18579 https://github.com/pharo-project/pharo/pull/18579

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Pharo News of the Week 38/2025
by Marcus Denker Sept. 22, 2025

Sept. 22, 2025

# Pharo News of the Week 38/2025 - [ANN] Ukrainian translation of "Application Building with Spec 2.0" https://pharo.org/news/2025-09-13-Spec-Ukr.html - [Blog Post] Cooperative Pharo server shutdown https://github.com/svenvc/blog/blob/main/2025-09-12-cooperative-server-shut… - AIActions â AI-based Comment Generator for Pharo https://github.com/kasperosterbye/PharoAIActions If you want to add your news to this list, use this form: https://tinyurl.com/4c89buy4 # The week on the Pharo Issue Tracker - uFFI valueholder multiple arity (external objects) #18531 https://github.com/pharo-project/pharo/pull/18531 - Make #printOn: on Character not print surrogates as a literal #18540 https://github.com/pharo-project/pharo/pull/18540 # Comand Line - move spec run cli command to clap #18535 https://github.com/pharo-project/pharo/pull/18535 - Replace Fuel command line handler by clap command #18534 https://github.com/pharo-project/pharo/pull/18534 - move back perform as a root command #18542 https://github.com/pharo-project/pharo/pull/18542 - move to Clap #1819 https://github.com/pharo-spec/Spec/pull/1819 # Tools - Add inspector tab âFormSetâ showing a FormSet as an ImageMorph #1240 https://github.com/pharo-spec/NewTools/pull/1240 - Adding a setting to change default stack selection in debugger to show TestAsserter contexts when step Into #1242 https://github.com/pharo-spec/NewTools/pull/1242 # Icerberg / Git - Changing tabs when editing metadata project #1967 https://github.com/pharo-vcs/iceberg/pull/1967 - Use new Iceberg merge browser in more places instead of the morphic one #1941 https://github.com/pharo-vcs/iceberg/pull/1941 # Cleanup - Deprecate asSocketAddress extension #18556 https://github.com/pharo-project/pharo/pull/18556 - Cleaning of SystemVersion #18551 https://github.com/pharo-project/pharo/pull/18551 - Removing support for parsing styledsource code ]style[ #18541 https://github.com/pharo-project/pharo/pull/18541 - Removed duplicate classes in new DrTest #18536 https://github.com/pharo-project/pharo/pull/18536 - Move Fuel code to Fuel package #1243 https://github.com/pharo-spec/NewTools/pull/1243 # Website - add news fondation uni lille #108 https://github.com/pharo-project/pharo-website/pull/108 - news spec ukr #107 https://github.com/pharo-project/pharo-website/pull/107 - news Coypu Concert #106 https://github.com/pharo-project/pharo-website/pull/106

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Smalltalk journey - next opportunities ?
by Cyrille Delaunay Sept. 16, 2025

Sept. 16, 2025

Hello dear community ! I started my Smalltalk journey 16 years ago and since then I have been delighted to keep it going all along my career path. I have been excited to make it real and to meet great people on the road. I will be seeking new challenges. If you think this background can be of interest for your project or your team, feel free to reach out :) Cyrille Delaunay linkedin.com/in/cyrille-delaunay-307a4a57

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Pharo News of the Week 37/2025
by Marcus Denker Sept. 12, 2025

Sept. 12, 2025

# Pharo News of the Week 37/2025 - [ANN] Live Coding and Djselecta with Lucretio + Coypu 18/09/2025 https://pharo.org/news/2025-09-12-Concert-Coypu.html - [ANN] Pharo Consortium New Academic Member EMIT University of Fianarantsoa https://pharo.org/news/2025-09-11-Consortium-emit.html - [ANN] Fondation UniversitÃ© de Lille: Pharo selected as supported project for the Call 2024: https://fondation.univ-lille.fr/projets/les-projets-en-cours/soutenir-les-e… - SJsonPath is a Smalltalk library that provides a fluent API for creating JsonPath expression strings https://github.com/mumez/SJsonPath If you want to add your news to this list, use this form: https://tinyurl.com/4c89buy4 # The week on the Pharo Issue Tracker # Fixes - Update POP3Client.class.st, use allButFirst #18523 https://github.com/pharo-project/pharo/pull/18523 # Command Line - Replace clean and save commands by their clap version #18525 https://github.com/pharo-project/pharo/pull/18525 - add test runner clap command #18521 https://github.com/pharo-project/pharo/pull/18521 - Replace metacello command line handler by clap command #18517 https://github.com/pharo-project/pharo/pull/18517 # FFI - FFI valueholder multiple arity: support returning array of structures #18479 https://github.com/pharo-project/pharo/pull/18479 # Tools - Fix syntax of "packages selected" for the finder #1238 https://github.com/pharo-spec/NewTools/pull/1238 - [Refactorings] Removing dependencies on NautilusRefactoring #18524 https://github.com/pharo-project/pharo/pull/18524 # Website - add consortium emit #105 https://github.com/pharo-project/pharo-website/pull/105

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