New in 2021.12:
+ Deprecations:
+ Additions:
+ Add is-wrapped method to Routine (#4579) [99bc766e]
+ Introducing RAKUDO_PRECOMPILATION_PROGRESS [d88d1cc0]
+ Add In Memoriam stub for David H. Adler [dba8dbb0]
+ Add a IterationBuffer.new(iterable) candidate (#4599) [ad145b4c]
+ Add IterationBuffer.unshift/prepend methods (#4641) [259d29b3]
+ Add knowledge about MacOS Monterey [1fc8cce3]
+ Add the ability to display any default values in sub MAIN to the default
USAGE message [0b286ed2]
+ Changes:
+ Remove tai-offset-nanos from CORE::.keys [a8c579b6]
+ Make .subst-mutate faster by simplifying proto [d619e026]
+ Make .match faster by simplifying proto [2204c7cb]
+ Make .subst upto 1.9x as fast [0dae67a6]
+ Remove redundant multi method list(QuantHash:U:) [8fd65670]
+ Replace some empty TWEAKs by "is built"s [82a9ca4f]
+ Better cope with megamorphic callsites after new-disp [85df0ba1]
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+ Support Terminal::LineEditor in the Raku REPL [5db6a344][138aca10]
[694f648b][7b188795][15a13ffc]
+ Change SetHash.values() from `is rw` to `is raw` [65987460]
+ Very simple ACCEPTS for Int:D vs Int:D (#4625) [57387455]
+ Get either parametric or concrete roles in MRO when requested [641a86d5]
[832a8476][bf2a07fb][856f1af0]
+ Create checksums for release files [8cb674ac]
+ Clean up list of people to ask for rakudo.org access [a31db709]
+ Micro-optiize IterationBuffer.append(IterationBuffer:D) [92c490ee]
+ Remove support for use experimental :collation (#4616) [eb837dee]
+ New disp nativecall (#4629) [f67fb4ab][30a7e94e][889754d5][d46a826f]
[ad5cc86f][f20d448e][452781f3][624f3a7a][02539e96][3e3b5ca8][01470de8]
[a6633242][d5b98cf7]
+ Update Release Guide to have actual information (#4639) [b3b4ca21]
+ Make Date.new(year,month,day) about 40% faster [74c8c861]
+ Make Telemetry::snap(:head) return the filename [ad1fddbb]
+ Make the max number of threads depend on number of cores (#4652)
[afc56429]
+ Make Inline::Perl5 installation suggestion complete [4e23452c]
+ Speedup Instant.Num by manual inlining [4985f8a6][8642808e]
+ Add "ceiling" as a suggestion for "ceil" [57adbb1e]
+ Reduce number of nqp::cpucores calls (#4659) [c7e456d3]
+ Fixes:
+ Make enums and Bool throw on .new [42738187]
+ Use distribution specific comp unit ids in CURFS [7ab396a0]
+ Fix X::Assignment::RO message when assignment to Nil is attempted
[1ea47322][15ed1566]
+ Make sure return value of Str.match is threadsafe [1d0a903a]
+ Fix gisting Buf or Blob parameterized with an unsized type [62c04646]
+ Use better default for nativesize in Buf/Blob gist [e99e2742]
+ Clarify let and temp operators [1fec0ef2]
+ Make StrDistance.ACCEPTS also a multi [3ef09a72]
+ Make sure IO::Path.slurp returns failures [ce0d31fb]
+ Make sure ParallelSequence is included in shas [e98e17da]
+ Fix handling of constrained Mu parameters in signature smartmatching
[4329a995][c6e24eba][034768de][e6a68a94][088e0c4e]
+ Prevent rebinding for readonly parameters [PR #4536] [ea42b3df][5e1f25d9]
[32e307b6][90307035][aeaf6f5e]
+ Fix segfaults when multiple threads initialize dynamics [db136bc5]
+ Make concurrent access to an enum by value safe (#4634) [4c238bdc]
+ Fix CATCH blocks setting $! leading to serialization errors with BEGIN
time exceptions [b994c6bb]
+ Fix stupid copy-pasto, fixes#4660 [57801d59]
+ Minimal change for fix on MacOS Monterey [f029ac83]
+ Don't suggest method of the same name as "not found" [27082897][58c3d950]
[d4914edd][af0153df][545f8d0e]
+ [JVM] Don't let signal(SIGINT) break the REPL [1ef7019b]
+ [JVM] Skip or todo failing tests for JVM [d301860e]
+ Restore larger limit for using string_to_int on 64bit systems [7772b737]
+ Fix segfaults due to concurrent hash access in parallel module loading
[835d0f12]
+ Fix removing proxies in native calls [f0713c42][a6fad879]
+ Internal:
+ Lift $!do reading out of `for` loop body [560ff8c6]
+ Fix unnecessary boxing by routines with native return types [6bd955e6]
+ Prepare extops for a MoarVM internals change [3127861c]
+ Reduce visibility of Str internal classes [380c7758]
+ Only simplify protos on the MoarVM backend [c50bc998]
+ Add a missing MVMROOT in extops [ab02205e]
+ Remove an unnecessary decont on a hot path [24333b11]
New in 2021.10:
+ SPECIAL NOTES:
+ Introduce a new dispatch mechanism, including more general
and efficient handling of various language constructs.
For more info see [The new MoarVM dispatch mechanism is here!](https://6guts.wordpress.com/2021/09/29/the-new-moarvm-dispatch-mechanism-is-here/)
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+ Deprecations:
+ The `$*PERL` variable usage will warn starting from `6.e` language release,
using `$*RAKU` is preferred now [11fd2d70][3dc4aca2]
+ Additions:
+ Add Cool.Version coercer [dab7404c]
+ Changes:
+ De-unicodify `Raku` and `Rakudo` in the welcome message [ba15173f]
+ Fixes:
+ Fix a bug where using a signature constraint with a named callable parameter did not work
[e9a0b18c][9c2cc9c2][ffb587f2][51968148][d47185eb]
+ Make sure name suggestions shown in the `X::Method::NotFound` exception are properly sorted
[0152e3c3][569f90ea]
+ Fix a bug in module loading preventing the `Inline::Python` module to be loaded twice
from different locations [88862a9f]
+ Ensure symbols installed into `GLOBAL` during loading of a compunit are not lost [0cb2cb50][bb607b6b]
+ Fix loading wrong version of a module among ones with the same name happening in some cases [33296d40]
+ Fix overwriting of the `.repo-id` file in some cases [fbb5228e][bc2cac13]
+ Fix `require` of a package with globally existing class names [d4f7d174]
+ Fix displaying a warning when using `is` routine from the `Test` module
when comparing objects where calling `.Str` is impossible [69aaa424]
+ Prevent heredocs from improperly using block variables when continuing after the block [a78c9f0d]
+ Fix a bug where calling `substr` method on a `Str` object without arguments led to infinite loop [93f0d86f]
+ Internal:
+ Log event of exhausting system threads when `RAKUDO_SCHEDULER_DEBUG` env var is enabled [ffaf453d]
+ Pass `lib` in `RAKULIB` instead of `-I` in the `harness6` script [e09df02c]
+ Rewrite `INDIRECT_NAME_LOOKUP` [431c3d6b]
+ Use `$*RAKU` instead of `$*PERL` in more places [ff6951f5]
+ Add `:override` parameter to `Rakudo::Internals.REGISTER-DYNAMIC` [4b8b566a]
+ Consistently use a number for value in name suggestions hash [c99ffc51]
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