[release] v0.6.25

[yuanming-hu]

Related issue = #677

Highlights:

• Bug fixes
  • Fix random side-effect causing SSA violation in ti.Vector ([Bug] Fix random side-effect causing SSA violation in ti.Vector #1631) (by 彭于斌)
• Documentation
  • Replace fields of xxx by xxx field ([Doc] Replace fields of xxx by xxx field #1599) (by Xudong Feng)
  • Replace "tensor" by "field" in documentation ([Doc] Replace "tensor" by "field" in documents #1633) (by Xudong Feng)
  • Improve type.rst readability ([Doc] Improve type.rst readability #1618) (by 彭于斌)
• Examples
  • Add cg_possion.py, a Poisson solver based on conjugate gradients ([Example] Add cg_possion.py, a Poisson solver based on conjugate gradients #1595) (by 彭于斌)
  • Enhance stable_fluid.py with BFECC, RK2, RK3 and Taichi's new syntax ([Example] Enhance stable_fluid.py with BFECC, RK2, RK3 and Taichi's new syntax #1617) (by 彭于斌)
• GUI
  • Support gui.fps_limit and reduce idle power consumption ([GUI] Support gui.fps_limit and reduce idle power consumption #1611) (by 彭于斌)
  • Support images with 2 channels (RG) in GUI.set_image ([GUI] Support images with 2 channels (RG) in GUI.set_image #1624) (by 彭于斌)
  • Support gui.arrow() and gui.arrows() ([GUI] Support gui.arrow() and gui.arrows() #1625) (by 彭于斌)
• Language and syntax
  • Support float and int as aliases for default-precision data types ([Lang] Support float and int as aliases for default-precision data types #1585) (by 彭于斌)
• Miscellaneous
  • Catch RuntimeError when detecting backends for better compatibility ([Misc] [bug] Catch RuntimeError when detecting backends for better compatibility #1647) (by 彭于斌)
• IR optimization passes
  • Improve aliasing analysis for SNodes with trailing bits ([Opt] Improve aliasing analysis for SNodes with trailing bits #1657) (by xumingkuan)
  • Improve the binary ops simplify pass ([Opt] Improve the binary ops simplify pass #1646) (by xumingkuan)
• Refactor
  • "x.snode()" is deprecated, use "x.snode" instead ([Refactor] "x.snode()" is deprecated, use "x.snode" instead #1654) (by 彭于斌)

Full changelog:

• [bug] [sparse] Fix struct-fors on pointer SNodes ([bug] [sparse] Fix struct-fors on pointer SNodes #1662) (by Yuanming Hu)
• [misc] [linux] Further improve misc/linker.map to prevent Blender segementation fault ([llvm] [linux] Further improve misc/linker.map to prevent segementation fault when importing in Blender #1661) (by 彭于斌)
• [doc] Re-update documentation on autodiff ([doc] Re-update documentation on autodiff #1623) (by 彭于斌)
• [Opt] Improve aliasing analysis for SNodes with trailing bits ([Opt] Improve aliasing analysis for SNodes with trailing bits #1657) (by xumingkuan)
• bgcolor -> background_color in GUI docs ([Doc] "bgcolor" -> "background_color" in GUI docs #1660) (by samuela)
• [Misc] [bug] Catch RuntimeError when detecting backends for better compatibility ([Misc] [bug] Catch RuntimeError when detecting backends for better compatibility #1647) (by 彭于斌)
• [workflow] Add Mac OS X to Github CI ([workflow] Add Mac OS X to Github CI #1649) (by 彭于斌)
• [Example] Add cg_possion.py, a Poisson solver based on conjugate gradients ([Example] Add cg_possion.py, a Poisson solver based on conjugate gradients #1595) (by 彭于斌)
• [Refactor] "x.snode()" is deprecated, use "x.snode" instead ([Refactor] "x.snode()" is deprecated, use "x.snode" instead #1654) (by 彭于斌)
• [GUI] Support gui.fps_limit and reduce idle power consumption ([GUI] Support gui.fps_limit and reduce idle power consumption #1611) (by 彭于斌)
• [GUI] Support images with 2 channels (RG) in GUI.set_image ([GUI] Support images with 2 channels (RG) in GUI.set_image #1624) (by 彭于斌)
• [Opt] Improve the binary ops simplify pass ([Opt] Improve the binary ops simplify pass #1646) (by xumingkuan)
• [benchmark] Fix test_test.py benchmark including '' in filename ([benchmark] Fix test_test.py benchmark including '<lambda>' in filename #1650) (by 彭于斌)
• [cc] [workflow] Add C backend to Github CI ([cc] [workflow] Add C backend to Github CI #1643) (by 彭于斌)
• [Doc] Replace fields of xxx by xxx field ([Doc] Replace fields of xxx by xxx field #1599) (by Xudong Feng)
• [cc] Compose ActionRecorder outputs into a single C file for Emscripten ([cc] Compose ActionRecorder outputs into a single C file for Emscripten #1629) (by 彭于斌)
• [error] Better error messages when using wrong type annotations ([error] Better error messages when using wrong type annotations #1612) (by 彭于斌)
• [doc] Update instructions for using Stop Motion OBJ with PLY sequences ([doc] Update instructions for using Stop Motion OBJ with PLY sequences #1638) (by Justin)
• [Doc] Replace "tensor" by "field" in documentation ([Doc] Replace "tensor" by "field" in documents #1633) (by Xudong Feng)
• [doc] Fix typo in faq.rst ([doc] Fix typo in faq.rst #1636) (by Danni)
• Fix hyperlink in faq.rst ([doc] Fix hyperlink display issue in faq.rst #1637) (by Danni)
• [Example] Enhance stable_fluid.py with BFECC, RK2, RK3 and Taichi's new syntax ([Example] Enhance stable_fluid.py with BFECC, RK2, RK3 and Taichi's new syntax #1617) (by 彭于斌)
• [GUI] Support gui.arrow() and gui.arrows() ([GUI] Support gui.arrow() and gui.arrows() #1625) (by 彭于斌)
• [Lang] Support float and int as aliases for default-precision data types ([Lang] Support float and int as aliases for default-precision data types #1585) (by 彭于斌)
• [Bug] Fix random side-effect causing SSA violation in ti.Vector ([Bug] Fix random side-effect causing SSA violation in ti.Vector #1631) (by 彭于斌)
• [infra] Support GCC as compiler for Taichi developers (experimental) ([infra] Support GCC as compiler for Taichi developers (experimental) #1598) (by 彭于斌)
• [Doc] Improve type.rst readability ([Doc] Improve type.rst readability #1618) (by 彭于斌)
• [gui] [bug] Fix hex_to_rgb ([gui] [bug] Fix ti.hex_to_rgb #1630) (by Yuanming Hu)
• [async] Clone offloaded tasks lazily by maintaining a cached template task ([async] Clone offloaded tasks lazily by caching the AST #1619) (by Ye Kuang)

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[codecov]

Codecov Report

Merging #1668 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1668   +/-   ##
=======================================
  Coverage   44.21%   44.21%           
=======================================
  Files          41       41           
  Lines        5892     5892           
  Branches     1023     1023           
=======================================
  Hits         2605     2605           
  Misses       3138     3138           
  Partials      149      149           

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