Log Message:
(lang/rakudo) Updated 2021.12 to 2022.02

New in 2022.02:

+ Deprecations:

+ Additions:
    + Add support for $RAKUDO_OPT environment variable [e82e6774]
    + Implement sub rotor [90a04ac0]
    + Introducing $*RAT-UPGRADE-CLASS (#4299) [f737b080]
    + Add Cool.Order "coercer" (#4473) [4b2fc66f]
    + Add CI job that runs a spectest instead of Rakudo tests [7ef7b6ed]
    + Add :slip named argument to roundrobin() [de605e84]
    + Add an Any(iterable).infer method (#4626) [4d263779]
    + Add ACCEPTS candidate for Junction to Bool [f21af28e]
    + Add missing checks for nulls [821195b2]
    + Add missing precedence info for some infix ops (#4725) [cd86606e]
    + Add .unique to native arrays [bc8c286f]
    + Add .repeated to native arrays [369093c8]
    + Add .squish to native arrays [284b5623]
    + Finally add in memoriam for David Adler [510c24ed]

+ Removals:
    + Remove uniprop-(int|str|bool) [cc5f17a0] [2b355dc4]
    + Remove check for nullness of descriptor [b2f0a9d2]
    + Remove some no longer needed CALL-MEs [25ca2064]
    + Remove RESTRICTED setting (#3965) [6a8fa2f4]
    + Remove two dummy parameters from (Fat)Rat coercer [6c765609]
    + Remove dead code from MoarVM and JVM extops [e912bf2e][1ba3fe04]
      [421dd982][969ae326]

+ Changes:
    + Relax cross-language revision role-class boundaries [d493a051]
    + Get rid of trailing ] and } when dd-ing typed arrays/hashes [49608021]
    + Adapt to nqp::radix(_I)? now returning # chars converted [4a3753fb]
    + Disallow creating Uni with out-of-range codepoints [c56c578c][ef35db06]
    + Make Complex.new about 30x as fast [586f2f3c]
    + Get IO::Path!SET-SELF below inlining limit [4f3ff580][efdc1a9e]
    + $x ** ±Inf is sometimes 0 (#4226) [03065e29]
    + Make dd output consistent for arrays and hashes [59929f0a]
    + Call .perl(:arglist) for Capture's list elements [27ede8cb]
    + Make class A does B{ } error more awesome [535e0151]
    + Make .WHY on role group delegate to default role [8f989d1a][d3e74427]
      [91e3c983]
    + Make set-env.sh script work on MacOS (#4704) [19696916]
    + Protect some typechecks with try [e3f22147][5f843222]
    + Make sure that subclasses of FatRat .raku correctly [d6e6afb0]
    + Make Rat.FatRat about 5x as fast [82afbbf0]
    + Rename Any.infer to Any.are [186bd0b0]
    + Bring Rational.floor/ceiling/round/Int below inlining limit [59ea71f7]
    + Reduce bytecode size of Array[TR].BIND-POS [daeb9915]
    + Make adverbless @a[iterable] about 2.5x as fast [30f1fba3]
    + Make adverbless @a[*] about 20% faster [8ac55c57]
    + Make the adverbless zen-slice (@a[]) a few percent faster [21829c33]
    + Make FatRat.Rat coercion about 6x as fast [2fe1bb85]
    + Bring down bytecode size of nativearray.splice helper [38648b4f]
    + Re-arrange Int.base a bit [4d78bc6a]
    + Make unsuccessful .first about 40% faster [ed99df18]
    + Extract failure creation into separate subs [7dc3add8]
    + Make Capture[n] (and thus $0, $1, ...) about 5x as fast [11c8f82a]
    + Implement smartmatch as a dispatcher [32401c47]
    + Set up nativeref types for unsigned integers [b70d1147]
    + Support primspec 10 for unsigned integers [b092cc6c]
    + Also check iscont_u when looking for native references [2509e183]
    + Support uints as their own argument kind in dispatch [c0fbd367]
    + Use unsigned ops when handling unsigned buffers [63b2b846]
    + New uint candidates for operators [4db92b18]
    + Switch to unsigned ops where appropriate [c38b6b42]
    + Unsigned versions of some iterators [56923c12]
    + uint versions of native arrays [1ef6001f]
    + Bring uint improvements to the JVM [27f3b719]
    + Introduce NYI as a sub (#4716) [94456edf]
    + Make Int.roll/pick act as (^Int).roll/pick on 6.e (#4695) [45090c91]
    + Make Int.roll/pick about 6x as fast in v6.e [6222a14c]
    + Make ^Int:D about 14x as fast [21ee1fa0]
    + Make creation of Int .. Int object about 14x as fast [8fbe6c0a]
    + Specify base of non base 10 invalid numbers (#4717) [522155d5]
    + Further improvements to smartmatch dispatcher [cd20a2bc][6148b75c]
      [abfb9f86][2486960b]
    + Do some better job optimizing Junction on RHS [6f925ea2][eba72f4b]
      [49955840]
    + Properly support uints in BUILDPLANs [a38bebec]
    + Don't assume "year" as unit [34455138]
    + Use proper unsigned ops for accessing multidim uint arrays [8777e923]
    + Use nqp::istype for nominalizable smartmatch [ef4abcc7]

+ Fixes:
    + Make ranges coerce LHS into a numeric if range boundaries are numeric
      [7f73dcbd][dd5fabf9]
    + Many improvements to smartmatching and given/when [d0f2690f][7f1189fe]
      [7554d733][80fbaadd][fedfd716][91ec1bbf][5855c1d5][6616440d][9f80771c]
      [966e77fe][a1bb638f][ed85bad6][6b828fe6]
    + Fix Map ACCEPTS by collapsing explicit junctions [87621e1a]
    + [JVM] Mention routine in error for wrong arity [522e49a7]
    + Fix the behaviour of Pair ~~ Pair (#4671) [026c51a0]
    + Additional fixes and improvements of smartmatch optimizations [2a3f61ef]
    + Don't use MVM_free if we didn't use MVM_malloc [1b5c0b95]
    + Fix Nil warning in dd [a8498e8a]
    + Fix dd for nameless things [95d60623]
    + Fix potential race condition in Proc::Async start [8321ce10]
    + Test return constraints for role implementors (#3249) [56b57f61]
    + Use simpler code for correct `.length` suggestions test (#4703)
      [9310799c]
    + Fix warning in Pod::To::Text signature processing (#3528) [36cee696]
    + Make sure rebuilds of native array will generate ok [21d988d1]
    + Make add_constant lookup setting symbols only [28b51238]
    + Make initialization of core dynamic variables threadsafe [768ebea7]
    + Fix is_array_type on roles [944debd3]
    + Fix writes to native arrays via [] returning arbitrary data [72ef4e4d]
    + Fix "This container does not reference a native unsigned integer"
      [3823f88c]
    + Fix "This container does not reference a native integer" in Blob/Buf
      [a64c2f55]
    + Fix CArray treating all native integers as signed [fee9e822]
    + Eliminate p6decontrv ops caused by *_u ops [e5b67c1d][b3a71fbc]
    + Fix custom-lib race (#4738) [dab9cd66]
    + Fix method put failing on junctions [e521c8e4]
    + Fix Attribute.(get|set)_value treating uints like str [382f2f10]
    + Add unsigned candidate of +^ (bitwise negation) prefix operator
      [ffa09ff6]
    + Fix "Invalid ....BUILDALL plan: 24" error [118a0c3d]
    + Fix Attribute treating all native integers as signed [753c173e]
    + Fix optimizations of smartmatches over subsets [d6fb1919][b9d8aa49]
    + Fix "container does not reference a native integer" in \ 
UnsignedBlob.STORE
      [14bacc24]
    + Fix "No registered operation handler for 'iseq_u'" [4e1a7721]
    + Fix NativeCall wrongly expecting signed integer for size_t rw args
      [c92833f3]
    + Fix UInt where block trying to unbox a Scalar [26215f20]
    + Fix "container does not reference a native integer" with mixed \ 
int/uint
      multidim array indexes [7cb21467]
    + Fix "container does not reference a native integer" in multi slice
      [e4a4a92f]
    + Allow for using uint and int as indexes in native array slice assignment
      [a35a7791]
    + Fix precomp file rename race condition [006a920c]
    + Fix X::Method::NotFound on my-classes [8edc6d88]

+ Internal:
    + Replace nqp::attrinited with a descriptor-based approach [425913dc]
      [c3448773][13522362][71f8981b][c76c1e64][80f122d1][f96048c1][b6135861]
      [bdb0cc23][c719eab8][cd585f9d][8f796f5b][28053bd2][43f4e8a5]