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Filename : changelog.txt
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## [5.4.2] - 2024-11-20
- Support the deprecations introduced in PHP 8.4 and added tests for PHP 8.4 [#1043](https://github.com/smarty-php/smarty/pull/1043)

## [5.4.1] - 2024-08-29
- Enable (and fix) unit tests for Windows [#1046](https://github.com/smarty-php/smarty/pull/1046)
- Fix the use of "extends:" to define the inheritance tree on Windows [#1018](https://github.com/smarty-php/smarty/issues/1018)

## [5.4.0] - 2024-08-14
- Fixing forced OpCache invalidation on every template include, which is resulting in fast raising wasted OpCache memory [#1007](https://github.com/smarty-php/smarty/issues/1007) 
- Improvement of auto-escaping [#1030](https://github.com/smarty-php/smarty/pull/1030)

## [5.3.1] - 2024-06-16
- Fixed error when using section with nocache [#1034](https://github.com/smarty-php/smarty/issues/1034)

## [5.3.0] - 2024-05-30
- Fix warning when calling hasVariable for an undefined variable [#977](https://github.com/smarty-php/smarty/issues/977)
- Added `$smarty->prependTemplateDir()` method [#1022](https://github.com/smarty-php/smarty/issues/1022)

## [4.5.3] - 2024-05-28
- Fixed a code injection vulnerability in extends-tag. This addresses CVE-2024-35226.

## [4.5.2] - 2024-04-06
- Fixed argument must be passed by reference error introduced in v4.5.1 [#964](https://github.com/smarty-php/smarty/issues/964)

## [4.5.1] - 2024-03-18
- Using unregistered static class methods in expressions now also triggers a deprecation notice because we will drop support for this in the next major release [#813](https://github.com/smarty-php/smarty/issues/813)

## [4.5.0] - 2024-03-18
- (this release accidentally didn't contain any changes, fixed in 4.5.1)

## [4.4.1] - 2024-02-26
- Fixed internal release-tooling

## [4.4.0] - 2024-02-26
### Changed
- Using the `|implode`, `|json_encode` and `|substr` modifiers does not generate a deprecation warning anymore as they will continue to be supported in v5 [#939](https://github.com/smarty-php/smarty/issues/939) 

### Added
- PHP8.3 support [#925](https://github.com/smarty-php/smarty/issues/925)

### Fixed
- Incorrect compilation of expressions when escape_html=true [#930](https://github.com/smarty-php/smarty/pull/930)

## [4.3.4] - 2023-09-14

## [4.3.3] - 2023-09-14

### Fixed
- `|strip_tags` does not work if the input is 0 [#890](https://github.com/smarty-php/smarty/issues/890)
- Use of negative numbers in {math} equations [#895](https://github.com/smarty-php/smarty/issues/895)

## [4.3.2] - 2023-07-19

### Fixed
- `$smarty->muteUndefinedOrNullWarnings()` now also mutes PHP8 warnings for undefined properties

## [4.3.1] - 2023-03-28

### Security
- Fixed Cross site scripting vulnerability in Javascript escaping. This addresses CVE-2023-28447.

### Fixed
- `$smarty->muteUndefinedOrNullWarnings()` now also mutes PHP7 notices for undefined array indexes [#736](https://github.com/smarty-php/smarty/issues/736)
- `$smarty->muteUndefinedOrNullWarnings()` now treats undefined vars and array access of a null or false variables 
  equivalent across all supported PHP versions
- `$smarty->muteUndefinedOrNullWarnings()` now allows dereferencing of non-objects across all supported PHP versions [#831](https://github.com/smarty-php/smarty/issues/831)
- PHP 8.1 deprecation warnings on null strings in modifiers [#834](https://github.com/smarty-php/smarty/pull/834)

## [4.3.0] - 2022-11-22

### Added
- PHP8.2 compatibility [#775](https://github.com/smarty-php/smarty/pull/775)

### Changed
- Include docs and demo in the releases [#799](https://github.com/smarty-php/smarty/issues/799)
- Using PHP functions as modifiers now triggers a deprecation notice because we will drop support for this in the next major release [#813](https://github.com/smarty-php/smarty/issues/813) 
-  Dropped remaining references to removed PHP-support in Smarty 4 from docs, lexer and security class. [#816](https://github.com/smarty-php/smarty/issues/816)
- Support umask when writing (template) files and set dir permissions to 777 [#548](https://github.com/smarty-php/smarty/issues/548) [#819](https://github.com/smarty-php/smarty/issues/819) 
 
### Fixed
- Output buffer is now cleaned for internal PHP errors as well, not just for Exceptions [#514](https://github.com/smarty-php/smarty/issues/514)
- Fixed recursion and out of memory errors when caching in complicated template set-ups using inheritance and includes [#801](https://github.com/smarty-php/smarty/pull/801)
- Fixed PHP8.1 deprecation errors in strip_tags 
- Fix Variable Usage in Exception message when unable to load subtemplate [#808](https://github.com/smarty-php/smarty/pull/808)
- Fixed PHP8.1 deprecation notices for strftime [#672](https://github.com/smarty-php/smarty/issues/672)
- Fixed PHP8.1 deprecation errors passing null to parameter in trim [#807](https://github.com/smarty-php/smarty/pull/807)
- Adapt Smarty upper/lower functions to be codesafe (e.g. for Turkish locale) [#586](https://github.com/smarty-php/smarty/pull/586)
- Bug fix for underscore and limited length in template name in custom resources [#581](https://github.com/smarty-php/smarty/pull/581)

## [4.2.1] - 2022-09-14

### Security
- Applied appropriate javascript and html escaping in mailto plugin to counter injection attacks [#454](https://github.com/smarty-php/smarty/issues/454)

### Fixed
- Fixed PHP8.1 deprecation errors in modifiers (upper, explode, number_format and replace) [#755](https://github.com/smarty-php/smarty/pull/755) and [#788](https://github.com/smarty-php/smarty/pull/788)
- Fixed PHP8.1 deprecation errors in capitalize modifier [#789](https://github.com/smarty-php/smarty/issues/789)
- Fixed use of `rand()` without a parameter in math function [#794](https://github.com/smarty-php/smarty/issues/794)
- Fixed unselected year/month/day not working in html_select_date [#395](https://github.com/smarty-php/smarty/issues/395)

[4.1.0] - 2022-02-06
Added

    PHP8.1 compatibility #713

[4.0.4] - 2022-01-18
Fixed

    Fixed illegal characters bug in math function security check #702

[4.0.3] - 2022-01-10
Security

    Prevent evasion of the static_classes security policy. This addresses CVE-2021-21408

[4.0.2] - 2022-01-10
Security

    Prevent arbitrary PHP code execution through maliciously crafted expression for the math function. This addresses CVE-2021-29454

[4.0.1] - 2022-01-09
Security

    Rewrote the mailto function to not use eval when encoding with javascript