v2.14.3: May 13 2025

### Regressions

- reader: Fix reading compressed data
- parser: Make undeclared entities in XML content fatal
- save: Fix XML escape table
- save: Fix xmlSave with NULL encoding
- Revert "valid: Remove duplicate error messages when streaming"

### Bug fixes

- save: Fix serialization of attribute defaults containing <
- io: Fix linkage of __xml*BufferCreateFilename functions

### Build systems

- cmake: Fix installation directories in libxml2-config.cmake
- meson: Install libxml2.py

### Improvements

- parser: Make xmlCtxtGetValidCtxt depend on VALID_ENABLED
- html: Avoid HTML_PARSE_HTML5 clashing with XML_PARSE_NOENT