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- Improved support for libubootenv
- rework swuforwarder, fix corruption
- support system update
- drop legacy webserver
- support more as one instance of SWUpdate on the same target
- improve support for Debian
- Parser:
	- regexp for hardware compatibility check
	- new attribute: install-if-higher
	- hook support for bootloader section
	- new attribute: output to save SWU
	- bootloader_marker ("recovery_status") deactivable
- Handlers:
	- ubiswap: atomic switch of UBI volumes
	- SSBL : switch between sw set with own structure
	- introduce handler without data
	- ubivol: auto-resize of volumes
	- fix rdiff handler
	- archive: set locale
- Security:
	- support for rsa-pss
	- support for MBEDTLS
- Lua:
	- export swupdate_progress_update
- Compression:
	- added support for zstd
- Documentation:
	- general improvements and fixes
	- links to newer talks about SWUpdate
- Webserver:
	- fix hang if connection is broken
-