What's Changed

• Added support for functions to accept symbolic variables by @anutosh491 in https://github.com/lcompilers/lpython/pull/2331
• Implemented visit_SubroutineCall for the symbolic pass by @anutosh491 in https://github.com/lcompilers/lpython/pull/2335
• Add support for base in int() by @AkshayWarrier in https://github.com/lcompilers/lpython/pull/2338
• Adding support for executing attribute/query calls without assigning to a prior variable by @anutosh491 in https://github.com/lcompilers/lpython/pull/2337
• Implemented Str.Count() method by @SudhanshuJoshi09 in https://github.com/lcompilers/lpython/pull/2342
• CI: Upgrade SymEngine to 0.11.1 by @certik in https://github.com/lcompilers/lpython/pull/2346
• Implementing Symbolic Has Query Method by @anutosh491 in https://github.com/lcompilers/lpython/pull/2336
• Sync Libasr for Runtime Stacktrace by @Thirumalai-Shaktivel in https://github.com/lcompilers/lpython/pull/2350
• Fix Unused warning by @sainivedh in https://github.com/lcompilers/lpython/pull/2352
• Add join method in str by @Agent-Hellboy in https://github.com/lcompilers/lpython/pull/2354
• mentioned generate_default_tag.sh in the readme by @abhi-glitchhg in https://github.com/lcompilers/lpython/pull/2358
• Added MacOS warning in readme file by @OculusMode in https://github.com/lcompilers/lpython/pull/2361
• Throw Exception for wrong argtype in join method by @Agent-Hellboy in https://github.com/lcompilers/lpython/pull/2364
• Run integration tests with the Latest Python version in the CI by @Thirumalai-Shaktivel in https://github.com/lcompilers/lpython/pull/2281
• Support floor division as intrinsic function by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2372
• Added support for comparing symbolic expressions by @anutosh491 in https://github.com/lcompilers/lpython/pull/2374
• Add isspace API in str by @Agent-Hellboy in https://github.com/lcompilers/lpython/pull/2373
• Supporting assignment through basic_assign by @anutosh491 in https://github.com/lcompilers/lpython/pull/2378
• Add isalpha, istitle, and title APIs in str by @Agent-Hellboy in https://github.com/lcompilers/lpython/pull/2357
• Adding Support for symbolics in the list data structure by @anutosh491 in https://github.com/lcompilers/lpython/pull/2368
• Implement random.seed() by @OmarMesqq in https://github.com/lcompilers/lpython/pull/2318
• Added Support for Symbolic func attribute by @anutosh491 in https://github.com/lcompilers/lpython/pull/2367
• Fixed printing elements from a symbolic list by @anutosh491 in https://github.com/lcompilers/lpython/pull/2383
• Implemented query method for log class by @anutosh491 in https://github.com/lcompilers/lpython/pull/2384
• Implemented symbolic constant E by @anutosh491 in https://github.com/lcompilers/lpython/pull/2387
• Implemented ASR checks for function dependencies by @arteevraina in https://github.com/lcompilers/lpython/pull/2167
• Remove spurious reference results by @certik in https://github.com/lcompilers/lpython/pull/2391
• Added query method for sin class by @anutosh491 in https://github.com/lcompilers/lpython/pull/2395
• Remove Python as prerequisite from README.md by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2402
• Implementing get argument through design 1 by @anutosh491 in https://github.com/lcompilers/lpython/pull/2399
• Fix: Punctuation mistake in error message by @pnc009 in https://github.com/lcompilers/lpython/pull/2407
• Create temporary for IfExp outside LLVM loop by @czgdp1807 in https://github.com/lcompilers/lpython/pull/2408
• Added support for visit_Assert through basic_eq by @anutosh491 in https://github.com/lcompilers/lpython/pull/2404
• refactor: check for dependency only in parent scope by @arteevraina in https://github.com/lcompilers/lpython/pull/2394
• Implemented visit_Return for freeing variables by @anutosh491 in https://github.com/lcompilers/lpython/pull/2412
• Sync libasr with LFortran by @czgdp1807 in https://github.com/lcompilers/lpython/pull/2410
• Port --dump-all-passes, --dump-all-passes-fortran from LFortran by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2414
• Remove redundant code by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2417
• Minor fixes related to Pass options by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2418
• Removed redundant return node after processing an ASR through subroutine_from_function pass by @anutosh491 in https://github.com/lcompilers/lpython/pull/2421
• Added support for Out[S] by @anutosh491 in https://github.com/lcompilers/lpython/pull/2419
• Added explicit test for Out[S] by @anutosh491 in https://github.com/lcompilers/lpython/pull/2422
• [C] Simd changes from LFortran by @Thirumalai-Shaktivel in https://github.com/lcompilers/lpython/pull/2425
• SIMD: Changes from LFortran by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2424
• [ASR Pass] Handle ArraySection and SIMDArray BinOp (LFortran Sync) by @Thirumalai-Shaktivel in https://github.com/lcompilers/lpython/pull/2426
• [Tutorials] Add LPython tutorial 1 by @Smit-create in https://github.com/lcompilers/lpython/pull/2415
• [ASR Pass] Symbolic: Simplify the symbolic handling by @Thirumalai-Shaktivel in https://github.com/lcompilers/lpython/pull/2431
• changes documentation to represent correct path for lpython on windows machine by @ujjwaltwitx in https://github.com/lcompilers/lpython/pull/2436
• Enable llvm tests for symbolics by @Thirumalai-Shaktivel in https://github.com/lcompilers/lpython/pull/2430
• [ASR Pass] Symbolic: Simplify the Functions by @Thirumalai-Shaktivel in https://github.com/lcompilers/lpython/pull/2433
• Adding initial test for gruntz by @anutosh491 in https://github.com/lcompilers/lpython/pull/2437
• Fixed ASR for test_gruntz.py by @anutosh491 in https://github.com/lcompilers/lpython/pull/2438
• Implement str.split() by @AkshayWarrier in https://github.com/lcompilers/lpython/pull/2445
• Implemented visit_AsyncFunctionDef in the AST->ASR visitor by @ujjwaltwitx in https://github.com/lcompilers/lpython/pull/2442
• Fixes SEGFAULT in integration_tests/elemental_01.py by @Kishan-Ved in https://github.com/lcompilers/lpython/pull/2452
• Don't load CPtr if the variable under consideration is an argument by @anutosh491 in https://github.com/lcompilers/lpython/pull/2453
• Fixed output through c_sym backend for test_gruntz.py by @anutosh491 in https://github.com/lcompilers/lpython/pull/2454
• UserOverride.cmake: fix native optflag for PowerPC by @barracuda156 in https://github.com/lcompilers/lpython/pull/2459
• stacktrace.cpp: include syslimits.h for PATH_MAX by @barracuda156 in https://github.com/lcompilers/lpython/pull/2461
• parser_stype.h: allow building for ppc by @barracuda156 in https://github.com/lcompilers/lpython/pull/2463
• Fix random.random() by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2464
• Using basic_new_heap for assigning elements of symbolic list by @anutosh491 in https://github.com/lcompilers/lpython/pull/2465
• Fixing Symbolic List assignment by @anutosh491 in https://github.com/lcompilers/lpython/pull/2477
• Fixes empty string bug in str isalpha method by @advikkabra in https://github.com/lcompilers/lpython/pull/2484
• Fix const step in loop by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2501
• fixes semantic error for int (Issue #1926) by @NishantBansal2003 in https://github.com/lcompilers/lpython/pull/2476
• Fixing symbolic compare for test_gruntz.py by @anutosh491 in https://github.com/lcompilers/lpython/pull/2488
• Fixed issue #1993 to improve readability of semantic error thrown by @tanay-man in https://github.com/lcompilers/lpython/pull/2507
• Fixed grammatical errors (Issue #2493) by @NishantBansal2003 in https://github.com/lcompilers/lpython/pull/2510
• CI: Disable C tests on macOS by @certik in https://github.com/lcompilers/lpython/pull/2517
• Fix a bug in Const[int] by @certik in https://github.com/lcompilers/lpython/pull/2514
• CI: Remove more tests on macOS by @certik in https://github.com/lcompilers/lpython/pull/2519
• CI: Enable LLVM and C backends on macOS by @certik in https://github.com/lcompilers/lpython/pull/2521
• Improving prefix-string parsing (fixes #2339) by @mrdaybird in https://github.com/lcompilers/lpython/pull/2511
• Ignored warnings for inbuilt pow test by @advikkabra in https://github.com/lcompilers/lpython/pull/2523
• Fix isspace edge case by @advikkabra in https://github.com/lcompilers/lpython/pull/2489
• Added case to support log instances in mrv function by @anutosh491 in https://github.com/lcompilers/lpython/pull/2525
• Added semantic error for float declaration. by @faze-geek in https://github.com/lcompilers/lpython/pull/2529
• Fixed visit_if for SymbolicCompare cases by @anutosh491 in https://github.com/lcompilers/lpython/pull/2535
• Docs: Added a step-by-step documentation for installing and building LPython by @kmr-srbh in https://github.com/lcompilers/lpython/pull/2537
• Docs: Update installation instructions by @kmr-srbh in https://github.com/lcompilers/lpython/pull/2538
• refine input file missing msg by @syheliel in https://github.com/lcompilers/lpython/pull/2536
• Improved str.count() algorithm using the Knuth-Morris-Pratt algorithm by @advikkabra in https://github.com/lcompilers/lpython/pull/2530
• refine testcase for random by @syheliel in https://github.com/lcompilers/lpython/pull/2543
• Config: Added zstd-static package to the conda environment configuration files by @kmr-srbh in https://github.com/lcompilers/lpython/pull/2540
• Refactor string attributes and add constant string implementations by @advikkabra in https://github.com/lcompilers/lpython/pull/2524
• Remove submodule lpython by @Thirumalai-Shaktivel in https://github.com/lcompilers/lpython/pull/2548
• Updated cmake version for windows by @Kishan-Ved in https://github.com/lcompilers/lpython/pull/2562
• Fixing symbolic pass according to error caught in LFortran by @anutosh491 in https://github.com/lcompilers/lpython/pull/2565
• Implemented hypot in numpy by @Kishan-Ved in https://github.com/lcompilers/lpython/pull/2574
• Fixing issues with freeing variables by @anutosh491 in https://github.com/lcompilers/lpython/pull/2569
• [asr->python] initial implementation by @khushi-411 in https://github.com/lcompilers/lpython/pull/2362
• Added APIs isalnum() and isnumeric() in string object by @Kishan-Ved in https://github.com/lcompilers/lpython/pull/2582
• [tests] register tests/expr17.py by @khushi-411 in https://github.com/lcompilers/lpython/pull/2580
• Handling leading zeros in integer literals by @hankluo6 in https://github.com/lcompilers/lpython/pull/2568
• [asr-python] remove extra lines in codegen by @khushi-411 in https://github.com/lcompilers/lpython/pull/2590
• Add support for list methods with Const by @kmr-srbh in https://github.com/lcompilers/lpython/pull/2570
• Added str.replace() by @Kishan-Ved in https://github.com/lcompilers/lpython/pull/2587
• Remove is_fast and its associated methods from PassManager by @czgdp1807 in https://github.com/lcompilers/lpython/pull/2600
• Adding support for Pow instances in mrv function by @anutosh491 in https://github.com/lcompilers/lpython/pull/2528
• Add str.isspace() method by @kmr-srbh in https://github.com/lcompilers/lpython/pull/2586
• Add support for global set declaration by @kmr-srbh in https://github.com/lcompilers/lpython/pull/2605
• Add an intrinsic implementation of type(object) function by @kmr-srbh in https://github.com/lcompilers/lpython/pull/2592
• Add math functions by @farah-salama in https://github.com/lcompilers/lpython/pull/2609
• Fix logical comparison by @kmr-srbh in https://github.com/lcompilers/lpython/pull/2598
• Support constant negative indices in the array by @hankluo6 in https://github.com/lcompilers/lpython/pull/2611
• Simplify array size determination for negative index by @hankluo6 in https://github.com/lcompilers/lpython/pull/2619
• Seeded random.random() with system clock if it is left unseeded by @advikkabra in https://github.com/lcompilers/lpython/pull/2549
• Implemented mangling for c back-end as per issue #2359 . by @tanay-man in https://github.com/lcompilers/lpython/pull/2546
• Fix symbolic pass for printing ListItem by @kmr-srbh in https://github.com/lcompilers/lpython/pull/2620
• add test reference for an error message by @aryangupta701 in https://github.com/lcompilers/lpython/pull/2623
• Implementing for-else and while-else loops by @advikkabra in https://github.com/lcompilers/lpython/pull/2555
• Sync libasr with LFortran by @czgdp1807 in https://github.com/lcompilers/lpython/pull/2628
• Sync libasr with LC by @czgdp1807 in https://github.com/lcompilers/lpython/pull/2632
• Implement set.discard(elem) by @kmr-srbh in https://github.com/lcompilers/lpython/pull/2633
• Prevent calling abort while handling the SIGABRT signal by @Vipul-Cariappa in https://github.com/lcompilers/lpython/pull/2626
• Remove auto-generated file by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2635
• Remove const ttype by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2636
• Optimize string repetition and string copying by @advikkabra in https://github.com/lcompilers/lpython/pull/2634
• Removed error banner from tests (#2631) by @NishantBansal2003 in https://github.com/lcompilers/lpython/pull/2640
• Add nested loop tests for else clause in loops by @advikkabra in https://github.com/lcompilers/lpython/pull/2630
• CI: Support uploading tarball to release by @anutosh491 in https://github.com/lcompilers/lpython/pull/2646

New Contributors

• @AkshayWarrier made their first contribution in https://github.com/lcompilers/lpython/pull/2338
• @SudhanshuJoshi09 made their first contribution in https://github.com/lcompilers/lpython/pull/2342
• @sainivedh made their first contribution in https://github.com/lcompilers/lpython/pull/2352
• @Agent-Hellboy made their first contribution in https://github.com/lcompilers/lpython/pull/2354
• @abhi-glitchhg made their first contribution in https://github.com/lcompilers/lpython/pull/2358
• @OculusMode made their first contribution in https://github.com/lcompilers/lpython/pull/2361
• @pnc009 made their first contribution in https://github.com/lcompilers/lpython/pull/2407
• @ujjwaltwitx made their first contribution in https://github.com/lcompilers/lpython/pull/2436
• @Kishan-Ved made their first contribution in https://github.com/lcompilers/lpython/pull/2452
• @barracuda156 made their first contribution in https://github.com/lcompilers/lpython/pull/2459
• @advikkabra made their first contribution in https://github.com/lcompilers/lpython/pull/2484
• @NishantBansal2003 made their first contribution in https://github.com/lcompilers/lpython/pull/2476
• @tanay-man made their first contribution in https://github.com/lcompilers/lpython/pull/2507
• @mrdaybird made their first contribution in https://github.com/lcompilers/lpython/pull/2511
• @kmr-srbh made their first contribution in https://github.com/lcompilers/lpython/pull/2537
• @syheliel made their first contribution in https://github.com/lcompilers/lpython/pull/2536
• @hankluo6 made their first contribution in https://github.com/lcompilers/lpython/pull/2568
• @farah-salama made their first contribution in https://github.com/lcompilers/lpython/pull/2609
• @aryangupta701 made their first contribution in https://github.com/lcompilers/lpython/pull/2623
• @Vipul-Cariappa made their first contribution in https://github.com/lcompilers/lpython/pull/2626

Full Changelog: https://github.com/lcompilers/lpython/compare/v0.20.0...v0.21.0