Log Message:
(lang/rakudo) Updated 2021.08 to 2021.09

 Announce: Rakudo compiler, Release #150 (2021.09)

On behalf of the Rakudo development team, I?m very happy to announce the
September 2021 release of Rakudo #150. Rakudo is an implementation of the Raku^
1 language.

The source tarball for this release is available from https://rakudo.org/files/
rakudo. Pre-compiled archives will be available shortly.

New in 2021.09:

  * Additions:
      + Introduce the safe-snapper module. It is a shorthand for loading
        Telemetry and starting a snapper with control-c safety, allowing one to
        stop the script with control-c and still get a report [87152eba]
      + Add ability to subtract an Instant value from a DateTime object and
        vice versa [9a4af4b6]
      + Add Numeric coercer to DateTime [67138ec0]
  * Changes:
      + Make the sprintf method show its format string on error [ea8a95e5]
        [57841911]
      + The test named parameter of the dir routine now handles Junctions
        [21a7117d]
      + Improve error message for the X::Pragma::CannotPrecomp exception
        [a52f1f62][fe461d17]
  * Efficiency:
      + Numerous small speed-ups and memory-related improvements [94462dfa]
        [3aba9707][3c1c709c]
  * Fixes:
      + Properly handle List of Lists in the List.fmt method [a86ec91e]
      + Don't lose concurrent modifications to %!conc_table [72bc5623]
      + Fix potential race in Metamodel::Concretization [d666dfe8]
      + Make the default scheduler properly see RAKUDO_MAX_THREADS env variable
        [b14d404a]
  * Internal:
      + Support ROAST_TIMING_SCALE in telemetry tests [9681a093]
      + Fix false positive in basic telemetry test [c0a6823b]
      + Pass along whether the Rakudo runner was called with --full-cleanup
        [5492452b]
      + Update the concretization table more sparingly [b236dcfd]