Python-liquid

Breaking Changes
* Drop support for end-of-life Ruby versions (2.5 and 2.6) (1578) [Andy Waite]

Features
* Allow `` to be used as an inline comment tag (1498) [CP Clermont]

Fixes
* `PartialCache` now shares snippet cache with subcontexts by default (1553) [Chris AtLee]
* Hash registers no longer leak into subcontexts as static registers (1564) [Chris AtLee]
* Fix `ParseTreeVisitor` for `with` variable expressions in `Render` tag (1596) [CP Clermont]

Changed
* Liquid::Contextregisters now always returns a Liquid::Registers object, though supports the most used Hash functions for compatibility (1553)

Fixes
* StandardFilter: Fix missing context on iterations (1525) [Thierry Joyal]
* Fix warning about block and default value in `static_registers.rb` (1531) [Peter Zhu]

Deprecation
* Conditionevaluate to require mandatory context argument in Liquid 6.0.0 (1527) [Thierry Joyal]

Features
* Add `remove_last`, and `replace_last` filters (1422) [Anders Hagbard]
* Eagerly cache global filters (1524) [Jean Boussier]

Fixes
* Fix some internal errors in filters from invalid input (1476) [Dylan Thacker-Smith]
* Allow dash in filter kwarg name for consistency with Liquid::C (1518) [CP Clermont]

Features
* Add `base64_encode`, `base64_decode`, `base64_url_safe_encode`, and `base64_url_safe_decode` filters (1450) [Daniel Insley]
* Introduce `to_liquid_value` in `Liquid::Drop` (1441) [Michael Go]

Fixes
* Fix support for using a String subclass for the liquid source (1421) [Dylan Thacker-Smith]
* Add `ParseTreeVisitor` to `RangeLookup` (1470) [CP Clermont]
* Translate `RangeError` to `Liquid::Error` for `truncatewords` with large int (1431) [Dylan Thacker-Smith]

Fixes
* Add ParseTreeVisitor to Echo tag (1414) [CP Clermont]
* Test with ruby 3.0 as the latest ruby version (1398) [Dylan Thacker-Smith]
* Handle carriage return in newlines_to_br (1391) [Unending]

Performance Improvements
* Use split limit in truncatewords (1361) [Dylan Thacker-Smith]

Features
* Add new `{% render %}` tag (1122) [Samuel Doiron]
* Add support for `as` in `{% render %}` and `{% include %}` (1181) [Mike Angell]
* Add `{% liquid %}` and `{% echo %}` tags (1086) [Justin Li]
* Add [usage tracking](README.mdusage-tracking) [Mike Angell]
* Add `Tag.disable_tags` for disabling tags that prepend `Tag::Disableable` at render time (1162, 1274, 1275) [Mike Angell]
* Support using a profiler for multiple renders (1365, 1366) [Dylan Thacker-Smith]

Fixes
* Fix catastrophic backtracking in `RANGES_REGEX` regular expression (1357) [Dylan Thacker-Smith]
* Make sure the for tag's limit and offset are integers (1094) [David Cornu]
* Invokable methods for enumerable reject include (1151) [Thierry Joyal]
* Allow `default` filter to handle `false` as value (1144) [Mike Angell]
* Fix render length resource limit so it doesn't multiply nested output (1285) [Dylan Thacker-Smith]
* Fix duplication of text in raw tags (1304) [Peter Zhu]
* Fix strict parsing of find variable with a name expression (1317) [Dylan Thacker-Smith]
* Use monotonic time to measure durations in Liquid::Profiler (1362) [Dylan Thacker-Smith]

Breaking Changes
* Require Ruby >= 2.5 (1131, 1310) [Mike Angell, Dylan Thacker-Smith]
* Remove support for taint checking (1268) [Dylan Thacker-Smith]
* Split Strainer class into StrainerFactory and StrainerTemplate (1208) [Thierry Joyal]
* Remove handling of a nil context in the Strainer class (1218) [Thierry Joyal]
* Handle `BlockBodyblank?` at parse time (1287) [Dylan Thacker-Smith]
* Pass the tag markup and tokenizer to `Documentunknown_tag` (1290) [Dylan Thacker-Smith]
* And several internal changes

Performance Improvements
* Reduce allocations (1073, 1091, 1115, 1099, 1117, 1141, 1322, 1341) [Richard Monette, Florian Weingarten, Ashwin Maroli]
* Improve resources limits performance (1093, 1323) [Florian Weingarten, Dylan Thacker-Smith]